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Catalog Antibodies & Antibody-Related Product Suppliers Directory

How to use this guide

This directory contains over 300 companies (A-Z) that sell antibodies or antibody-related products on the internet. If a company has a particular speciality, it is noted. This section is "researcher friendly" and only includes links to companies that have some kind of list or searchable catalogue of their products.

If you are interested in the custom production of research scale quantities of antibodies, see our custom antibody suppliers directory. If you are interested in the large scale, regulatory compliant (cGMP) production of antibodies, see our large-scale antibody production page.

If you know of a company that should be added or deleted from this directory, please click here.

Abazyme - a variety of antibodies including anti-human cytokine and anti-human CD antigens antibodies

Abbiotec - monoclonal and polyclonal antibodies directed against druggable protein targets including cellular antigens, kinases, proteases, receptors, transcription factors, and recently discovered proteins.

Abcam - Over 40,000 antibodies and reagents for a wide variety of research needs. Their fully searchable online catalog gives detailed product data as well as customer reviews, publication references, and specific protocols.

AbFrontier - antibodies for ROS signaling, neuroscience, serum proteins, cell signaling applications, and various purified proteins

Abgent - antibodies against cellular function/disease targets, protein modification enzymes, phosphorylated proteins, epitope tags, and components of key pathways for autophagy, cell signaling, cell cycle, neurodegeneration, and more

Abnova - 20,000+ antibodies manufactured in a state-of-art SPF mouse facility. Rather than the traditional method of monoclonal antibody production, Abnova is taking a genomic/proteomic approach for antibody development. Their goal is to have at least one antibody to every human expressed gene in the human genome.

ABR - Affinity BioReagents - over 35,000 antibodies for 43 research areas including apoptosis, cancer biology, heat shock protein, infectious disease, ion transport, neurobiology, signal transduction, steroid receptor, and vision

Absea Biotechnology - primary antibodies, secondary antibodies and paired antibodies

Absolute Antibody - recombinant antibodies and proteins, engineered into new formats, for research areas such as immunotherapy, virology and allergy research

Academy Biomed - antibodies to apolipoproteins

Acris - over 10,000 monoclonal and polyclonal antibodies in a fully searchable database

Actigen - makers of protein L, an affinity protein that binds to a wide range of immunoglobulins.

Active Motif - is the industry leader in developing and delivering innovative tools to enable epigenetics and gene regulation research. Active Motif offers an expanding portfolio of polyclonal and monoclonal antibodies directed against a variety of targets including Histones, Histone modifications, DNA methylation, and transcription factors.

Advanced Biotechnologies - supplier of monoclonal antibodies to the following viruses: HIV-1, SIV, HSV-1, HSV-2, CMV, EBV, VZV, HHV-6, HHV-7, HHV-8 and polyclonal antibodies to HIV-1, HTLV-1, HHV-8 vIL-6, and SIV

Advanced Immunochemical. - antibodies, antigens, enzymes and purified proteins for the research and diagnostic marketplace with a speciality in cardiac markers

Advanced Targeting Systems - an international supplier of neuroendocrine and neuroscience polyclonal and monoclonal antibodies. ATS also provides agents for the targeting and elimination of specific cell types.

Affibody - not antibodies, but small robust affinity ligands which can be designed to bind with specificity and selectivity to any target protein. Affibody® molecules are composed of 58 amino acids, of which 13 are randomized to form a variable binding surface. Affibody® molecules with affinity for a particular target protein are selected from pools of billions of Affibody® variants, all with a certain amino acid composition in the binding site. Anti-HER2, Anti-HER2 Imaging Agent, Anti-EGFR, Anti-HSA, Anti-IgG, Anti-IgE, Anti-TNF-alpha and Anti-insulin are examples of Affibody® molecules available for different applications such as ELISA, immunoprecipitation, immunofluorescence and flow cytometry.

Affinity Biologicals - A primary manufacturer of quality antibodies and plasmas for use in Hemostasis research, ABI currently manufactures one of the most complete antibody product lines in hemostasis and supplies diagnostic companies with antibodies and immune depleted plasmas used in the manufacturing of in vitro diagnostic products.

Agdia - easy-to-use antibody based test kits, reagents and laboratory testing services to detect pathogens in vegetable, orchard, ornamental and field crops

Agrisera - Agrisera provides validated marker antibodies for plant cellular compartments, Rubisco quantitation tools, antibodies for plant stress proteins, and various antibodies for plant and algal cell biology research.  If they do not have what you are look, upon request they can locate any plant antibody available on the market.

Alexis Biochemicals - antibodies for research in the areas of apoptosis, immunology and cancer research, neuroscience, nitric oxide pathway and oxidative stress, signal transduction and cell trafficking

Alper Biotech - suppliers of monoclonal antibodies designed to bind with high affinity, specificity, and sensitivity to the native conformation of proteins expressed in and/or secreted from human cells.  The antibodies can be used in diagnostic and basic research with a wide range of technical applications, such as western blotting, immunoprecipitaion, immunofluorescence, flow cytometry, ELISA, inhibition assays, and the like.

Alpha Diagnostic International - custom peptides and antbodies. They also sell a unique collection of antibodies to receptors, transporters, neurobiologicals, and much more.

American Qualex - labeled primary and secondary antibodies in addition to antibodies for signal transduction

American Research Products (ARP) - primary antibodies, secondary antibodies, conjugated antibodies, hybridoma cultures, and large selection of monoclonal and polyclonal antibodies in a fully searchable database

American Type Culture Collection - hybridoma cultures

AMS Biotechnology - Bioscora antibody microarrays

Anaspec - an internationalmanufacturer of antibodies in the areas of apoptosis, cancer research, and signal transduction; and secondary antibodies.

ANAWA Trading SA - custom antibody production and a large selection of antibodies

Ancell - anti-CD antibodies and more

AngioBio - provider of reagents for angiogenesis and lymphangiogenesis research, including many antibodies

Angio-Proteomie - provider of agonistic and antagonistic antibodies related to angiogenesis research

Aniara- providers of Euroclone Elispot kits for human, murine, and rat research,including Euroclone Granzyme B Elispot Reagents. The kits are available for agarose or PVDF methods of assay and include all required reagents, a detailed manual, and a positive control protocol. Different formats are available (5, 10, 20 x 96 tests) as well as a selection of Elispot plates.

Antibody Solutions - proprietary catalogh antibodies that are well established in the industry, many of which have been demonstrated to work as pairs for ELISA

Anogen - monoclonal and polyclonal antibodies for cytokines, signal transduction, cancer proteins, and more...

antibodies-online.com - Over 1 million antibodies, ELISA kits, proteins and other proteomic products in a fully searchable database

AntibodyBcn - an extensive catalogue of antibodies with focus on the Spanish and South American markets

Antitope - offers services to assess the immunogenicity of biologics (EpiScreen technology)and engineer/humanize antibodies (Composite Human Antibody technology)

Applied Biological Materials - 30,000+ antibodies. Provide volume prices and a money back guarantee.

APTEC Diagnostics - polyclonal antibodies for use in quantitative turbidimetric and nephelometric determinations in human serum

Aquatic Diagnostics - monoclonal antibodies for aquaculture. Antibodies to detect pathogens in fish and IgM in different fish species.

Araclon Biotech - in English, Deutsche, Francais, and Italiano! Makers of 3 polyclonal antibodies: AB1 recognizes both Ab40 and Ab42, AB2 recognizes specifically Ab40, and AB3 recognizes specifically Ab42. They also make an ELISA kit to detect beta-amyloid protein in blood.

Arista Biologicals - monoclonal and polyclonal antibodies, and colloidal gold conjugates for fertility, infectious diseases, drugs of abuse, etc., as well as antigens for rapid diagnostic tests.

Assay Biotechnology - over 5000 polyclonal antibodies and over 1000 phospho-specific antibodies.

Artron Bioresearch, Inc. - A technology-based manufacturer specialized in the development and large-scale production of monoclonal and polyclonal best matched pairs of antibodies, and antigens. Ready for direct use in lateral flow, chemiluminescence, ELISA tests, and research-based immunoassays, etc.

Atlas Antibodies - supplies HPA antibodies, developed and validated by the Swedish Human Protein Atlas (HPA) Program (www.proteinatlas.org). The antibodies are designed to have high specificity and to work in various application platforms.

Australian BioBest Biotechnology Service - manufacturer and distributor of phospho-specific antibodies.

Autogen Bioclear - over 25,000 antibodies available online: apoptosis, cell signalling, neuroscience, and more; suitable for ELISA, WB, ChIP, IP, IF, IHC (frozen and paraffin)

Aves Labs - specializing in chicken antibodies. They sell blocking reagents (BlokHen®) and reagents designed for immunoprecipitation (PrecipHen®) of chicken antibodies; a variety of enzyme- and fluorescence-tagged anti-chicken antibody reagents; and chicken antibodies against epitope tags such as c-myc, hemagglutinin, and FLAG.

ACZON - monoclonal and polyclonal antibodies for flow cytometry, microscopy, and other immunological techniques

Badrilla - a vendor for phospho-specific antibodies and calibration products to enable the performance of quantitative immunoassays

BD Biosciences - a segment of Becton, Dickinson and Company. Product lines include: flow cytometers, cell imaging systems, monoclonal antibodies, research reagents, diagnostic assays, and tools to help grow tissue and cells.

Beckman Coulter - monoclonal and polyclonal antibodies to human and animal antigens

Beijing QuantoBio Biotechnology Co., Ltd - Anti-human HI clone CD markers, supply monoclonal antibodies for flow cytometry

Bethyl Laboratories - primary and secondary antibodies to human, rodent and domestic animal serum proteins, affinity purified and conjugated, epitope tags, ELISA kits

Binding Site - reagents for use in the investigation of human and veterinary diseases

BioCare Medical - provider of innovative IHC and histology products such as primary antibodies, special stains, double stains, reagents, chromogens, hematoxylins & eosin, detection systems, and equipment.

BioLegend - products covering the areas of cell immunophenotyping, cytokines, adhesion, phosphorylation, cancer research, cell cycle analysis, and apoptosis with applications in ELISA, flow cytometry, IHC, IP, and bioassay

BioLink International - cloned, expressed, and purified HIV, HCV and Syphilis antigens (or epitopes) for the development of diagnostic kits

Biomatik - Supplying 22,000+ ELISA Kits, 24,000+ Antibodies, 17,000+ Proteins, 300+ Biochemicals & Enzymes along with Custom Gene, Peptide, Protein, and Antibody production services.

Biomedica - supplier of endothelin and big endothelin antibodies

Bio-Rad (formerly AbD Serotec) - recombinant monoclonal antibody generation in vitro; antibodies in as little as 8 weeks with >90% success, long term consistent supply, provision of sequence; formerly AbD Serotec.

Biosense Laboratories - producers of antibodies and ELISA kits for the detection of biomarker proteins in fish. Products include monoclonal and polyclonal antibodies for the detection of responses to oil hydrocarbons, PAHs, PCBs, dioxins, endocrine disruptors, etc...

Biosensis - manufacturer and distributor of monoclonal and polyclonal antibodies, specializing in autophagy and neuroscience, particularly in the area of Alzheimer's and Parkinson's disease research.

Biosonda - featuring anti-human acrosin and anti-gizzerosine antibodies and Blue Carrier, a highly soluble and purified carrier protein from the hemocyanin family

BioSource International - develops, manufactures, markets and distributes monoclonal and polyclonal antibodies, recombinant proteins, custom oligonucleotides and quantitative cDNA amplification kits for the study of immunology and molecular biology.

BiosPacific - antibodies and antigens for the development of diagnostic assays

Bio SB - antibodies for immunohistochemistry and cancer detection systems

BioSupply UK - ELISA kits and antibodies

Bio-Synthesis - over 5000 catalog antibodies to novel antigens in research areas covering anthrax, apoptosis, autophagy, avian Influenza, cancer, chemokine, cytokine, growth factors, Herpes, HIV , homeostasis, immunology, infections disease, Influenza A, innate immunity, neurobiology, obesity, the p53 network, SARS and the SARS receptor, signal transduction, stem cell, Toll receptor, and West Nile Virus.

(The) Biotech Source - supplying bulk antibodies & antigens for human, animal, environmental, plant and other diagnostic applications since 1982. They have all of the remaining Pel-Freez second antibody inventory in stock.

Biotrend - a searchable online catalogue of antibodies

Bioventix - manufactures and supplies a range of antibodies to hormones, growth factors and tumour markers. Their speciality is to make high-affinity sheep monoclonal antibodies to "difficult targets" particularly where conventional rodent monoclonal antibodies have failed.

Bioworld Antibodies - monoclonal antibodies for the detection and identification of viral infectious agents

Bioworld Technology - manufacturer of 2000+ polyclonal antibodies including those to study the signaling transduction biology of MAPK, SAPK/JNK, AKT, and PKC signaling pathway.

BIOZOL - a supplier of more than 55,000 antibodies (primary polyclonal and monoclonal antibodies, secondary antibodies and their conjugates)

BluePoint Bioscience - monoclonal antibodies for adenovirus, cytomegalovirus (CMV), and respiratory syncytial virus (RSV) related research as well as diagnostic kits for the serological diagnosis and surveillance of  diseases that are vaccine-preventable such as measles and mumps.

BMA Biomedical - monoclonal antibodies, polyclonal antibodies, and ELISA kits for macrophage and inflammation typing in mouse, human and rats

Boston Biochem - antibodies and assay kits for the ubiquitin proteasome pathway

Brendan Scientific - makers of StatLIA, software for the statistical analysis of immunoassay data

Calbiochem - distributor of an extensive range of monoclonal and polyclonal antibodies, secondary antibodies and their conjugates, plus many accessory products for immunoassay and immunoseparation.

Cambridge BioScience- the UK distributor for a number of research antibody manufacturers including Affinity Bioreagents, Assay Designs, Biolegend, Covance, Imgenex, Southern Biotech, and Stressgen

Capralogics - manufacturer and supplier of research antibodies specializing in chemokine receptors, interleukins, nuclear signaling, obesity, proteolysis, signal transduction and transcription. Their line of secondary antibodies includes rabbit anti-llama and goat anti-llama.

Capricorn Products - manufacturer and distributor of immunodiagnostic products including monoclonal and polyclonal antibodies to infectious diseases, hormones. steroids, tumor markers, ann1 0d serum proteins.

Cayman Chemical Company - antibodie l..2n j.mh4 kmuns and assays for research in the areas of inflammation, apoptosis, cancer, neuroscience, nitric oxide, oxidative stress, obesity, and more.

Cedarlane Laboratories - monoclonal and polyclonal antibodies against human, mouse, rat, and other animal antigens for various applications. Bulk pricing is available. Supporting reagents such as cell separation media, cell purification kits, complement and isotype controls are also offered.

Celartia - makers of cell culture devices that require no carbon dioxide, are not affected by environmental humidity, and optimize growth media additives.

Cell Marque - an international manufacturer and supplier of antibodies and support services for the application of immunohistochemistry

Cell Sciences - supplier of affinity purified anti-cytokine antibodies; and large panels of monoclonal antibodies, polyclonal antibodies, and kits to detect human, mouse and rat molecules playing key roles in the immune system (CDs, cytokines and adhesion molecules).

Cell Signaling Technology - developer and manufacturer of activation-state antibodies for the study of MAP kinase signaling, apoptosis, AKT and PKC pathway signaling, chromatin regulation, receptor tyrosine kinases and docking proteins, translation control, cell cycle/checkpoint control, extracellular matrix signaling and a number of additional signaling pathways.

Chang Bioscience - makers of Abie Pro, software to design peptide antigens

Chemokine - antibodies against chemokines, cytokines and signaling molecules from Torrey Pines Biolabs

CHIMERx - sells the only commercially available source of SV 40 Large T Antigen. CHIMERx also does custom microplate and hybridoma production.

Clonegene - antibodies to HuR, HuD, CdC6, and Dicer

Clontech - provider of GFP, GAL4, cell cycle, phosphoamino acid, phosphokeratin, and other antibodies, as well as many other innovative molecular and cell biology-related products

Columbia Biosciences - developers, manufacturers, and suppliers of fluorescently labeled antibodies with a focus on the better labeling and purification of antibody bioconjugates

Cosmo Bio Company - an international biotechnology distributor, specializing in the import and export of antibodies to Japan. They carry a wide range of antibodies.

Covance Research Products - epitope tag, cellular marker, cytoskeletal & cell surface protein, and signal transduction antibodies

Creative BioMart - provider of diagnostic antibodies and diagnostic enzymes.

Cytopulse - makers of the Pulse Agile cell fusion system which is designed to increase hybridoma yields from 10 to 50 times versus PEG fusion

Cytoshop - specializing in monoclonal anti-cytokine and chemokine antibodies

Dako - A Danish company with over 1,000 products related to antibodies and antibody technology, including clinical immunohistochemistry, flow cytometry, immunocytochemistry, hybridization, microbiology, primary polyclonal and monoclonal antibodies, secondary antibodies and their conjugates along with some accessory products.

DB Biotech - manufacturer and supplier of rabbit clonal monospecific antibodies for clinical diagnostics IHC-P and research use, produced by “in-vitro cloning technology” developed and owned by the company.

Deltabiolabs - antibodies to a broad range of signaling proteins. Areas of research include apoptosis, protein kinase, cell cycle, and transcription regulation.

Dendritics - makers of a large variety of monoclonal antibodies to facilitate the characterization of DC phenotype and function, in the steady-state, in animal models, and in human disease. Their monoclonal antibodies allow analysis of DC subtypes, C-type lectin receptors (CLRs), Toll-like receptors (TLRs), DC migration, cytokines and cytokine receptors, antigen processing/ presentation, allergy. For ethic reasons, DENDRITICS antibodies are produced in vitro in high density cell line.

Development Studies Hybridoma Bank - monoclonal antibodies useful for studies in developmental and cell biology

Diaclone - the Diaclone product line includes 1400+ monoclonal antibodies and 100+ kits (ELISA, ELISpot, Flurospot & matched antibody pairs) specifically designed for therapy, diagnostic and research applications

Diagenode - Epigenetics antibodies

Diagnostic BioSystems - monoclonal and polyclonal primary antibodies, detection systems, and accessory products for the immunohistochemistry market

Diasorin - large selection of antibodies. Use their product locator wizard to find your antibody.

Diatec - (IS0 9001) monoclonal antibodies for in vitro research. Antibodies (unconjugated and conjugated with FITC, PE, biotin, and APC) are mainly against markers for leukemias and lymphomas.

Dojindo - simplified and economical kits for the conjugation of antibodies (50-200 mg) with various enzymes, fluorophores, or biotin labels

Dolfin - antigens and test kits for diagnosing Q-fever and Chlamydia

Dutch Diagnostics - a worldwide (OEM) distributor of immunodiagnostic products for use in clinical laboratories including reagents (ELISA, rapid tests, latex agglutination) and instruments (urine analyzers, coagulation, photometers)

Eagle Biosciences - Supplier of unique research and clinically relevant laboratory products.

East Coast Biologics - manufacturer and supplier of antigens, antibodies and specialized immunoassay reagents for the diagnostic manufacturing industry worldwide. They manufacture SEA BLOCK™, a fish plasma based, non-mammalian blocking reagent supplied in PBS for diagnostic systems involving membrane or other solid phase material.

eBioscience - tools for mouse and human immunology and cytokine research

eEnzyme - affinity purified rabbit polyclonal antibodies and viral recombinant proteins for infectious disease research, for example HIV/SIV, Influenza, Hepatitis, SARS, HSV

Echelon Research Laboratories - phosphoinositide monoclonal antibodies

ECM Biosciences - antibodies for monitoring site-specific phosphorylation and dephosphorylation

EMD Millipore - primary and secondary antibodies.

EnCor Biotechnology - specializing in monoclonal antibodies to yeast proteins and mammalian cytoskeletal proteins, including chicken antibodies suitable for double and triple label immunocytochemistry

Endocrine Technologies - provider of monoclonal and polyclonal antibodies to various protein hormones, steroid hormones, and cytokines, in addition to ELISA kits for several hormones for various species.

EnoGene - an exporter and service provider of monoclonal, polyclonal, pathological, immunohistochemistry, western blot, signal transduction, tag, and internal control antibodies

enQuire BioReagents – recombinant antibodies and proteins, bioactive proteins and monoclonal antibodies to cancer targets. Available in multiple buffer formats and conjugates. Each lot is tested before release to the public.

nvirologix - developers of monoclonal and polyclonal antibodies for immunoassays and providers of related products and services including IsoQuick for mouse monoclonal antibodies. IsoQuick is a isotyping tool for use in hybridoma laboratories.

Epitomics - rabbit monoclonal antibodies focusing on apoptosis, cell signaling, GPCR, kinases, transcription factors. Phospho specific antibodies are also available.

ePitope Informatics - an Internet-based, applied bioinformatics company specialising in the prediction and analysis of protein B cell epitopes

Euroclone - Monoclonal antibodies to human CD antigens, cytokines, and apoptosis markers. Also, ELISPOT and ELISA kits and reagents to human, mouse, and rat cytokines; soluble immunity mediators; and apoptosis soluble markers.

Europa Bioproducts - Over 60,000 research products including monoclonal and polyclonal antibodies, conjugated antibodies and antigens in bulk and research quantities. Their specialities are phycobiliproteins, antibody conjugation kits, streptavidin-RPE for multiplexing and glycan analysis of proteins including mAbs.

Everest Biotech - affinity-purified goat antibodies against novel targets focused on human disease. EB produces antibodies against targets related to cancer, autoimmune diseases, diabetes, obesity, neurodegenerative diseases, and schizophrenia.

Exalpha - Manufacturer of monoclonal and polyclonal antibody reagents, CD markers, proliferation assay kits, and ELISAs. Product lines include; apoptosis, cancer, neurobiology, GPCR's, G proteins, hormone receptors, protein pags, cell cycle, ion channel, phosphotyrosine, transcription factors and cytokines.

EXBIO Praha - monoclonal antibodies (human CD, human MHC, cytoskeletal proteins, signaling molecules (and many others) manufactured from cells to final products (purified mAbs, ascites, culture supernate)

Fitzgerald Industries International - Provider of over 20,000 highly purified Monoclonal and Polyclonal Antibodies, purified Antigens, ultra-sensitive ELISA Kits and Specialty Research Products, including cancer and cardiac markers, cytokines and growth factors, cell biology, infectious diseases, neuroscience products and much more.

Fusion Antibodies - specializing in antibodies for cell signalling, cancerand infectious disease targets, neurobiology, and DNA repair

G-Biosciences - a supplier of products for antibody production and purification. Items include HOOK™ Peptide coupling kits, carrier proteins, HOOK™ Agarose coupling kits for the production of affinity columns, Protein A and Protein G for the purification of antibodies

Gallus Immunotech - chicken derived antibody (IgY) related products such as secondary reagents (anti-chicken immunoglobulins) and an anti-IgY agarose for immunoprecipitation. Over 250 articles on avian antibodies are now accessible via their website.

GEMAC - specializing in the immunochemistry of conjugated small-sized molecules. Chemical manipulation of neurotransmitter-like molecules such as indolealkylamines or indoleamines, catecholamines, aminoacids and their derivates have enabled Gemac to raise polyclonal and monoclonal antibodies against these molecules and against conjugated polyamines, antioxidants, fatty acids and NO-molecules.

GeneON - antibodies against  DNA polymerases (anti-Taq).

General Bioscience - offering monoclonal antbodies and antigens for HIV; Hepatitis B/C blood tests; monoclonal antibodies for serum tumor markers and for abused drugs; and mouse anti-human IgG, IgM, IgE monoclonal antibodies. Bulk pricing is also available.

GeneTex - over 20,000 antibody reagents

GenScript - supplier of a broad range of antibodies, for example, THE™ Elite, epitope tag, phospho-specific, and neuroscience antibodies that can be applied to all areas in biological research and drug discovery. MiniFresh® antibodies have been launched as a trial size package and sell for $50 to reduce customer research costs.

Genway Biotech - developers of a library of human gene-specific avian polyclonal (IgY) antibodies. GenWay provides custom antibody production and contract services for screening the antibodies against normal or disease tissue or cellular samples. GenWay also provides the related products and services such as secondary antibodies, antibody conjugates, and customer services for development of antibody-based multiplex assays.

Goodwin Institute for Cancer Research - monoclonal antibodies against the herpes simplex virus (HSV) and the human cytomegalovirus (HCMV). Note: These antibodies are sold by Virusys.

Good Biotech - "the duck biofactory" - duck antibodies and IgY-based diagnostic reagents(ELISA; latex-enhanced turbidimetric assay)

GloboZymes - specializing in the area of signal transduction related antibodies

Green Mountain Antibodies - antibodies to coagulation and fibrinolysis proteins

Hampton Research - makers of the Low Ionic Strength Screen™ kit useful for the crystallization of intact monoclonal antibodies

Haematologic Technologies - suppliers of monoclonal and polyclonal antibodies (also in labeled form) directed toward blood coagulation proteins

Anti-herpes antibodies - non-commercial source available to collaborating researchers

Histoline Laboratoires - anticorpi and reagenti. An Italian antibody company.

HyCult Biotechnology - antibodies, assays and proteins for immunology and cell biology research with a special focus on innate immunity, endotoxin and microbial toxins, cell and tissue damage, tight junctions, and oxidation markers

Hypromatrix - antibody arrays for detecting protein-protein interactions and posttranslational modifications

HyTest - offers immunological reagents for assay development and research applications with a portfolio that includes such areas as cardiac markers, infectious disease reagents, tumor markers, veterinary reagents, autoimmune disease reagents, and much more.

IBT - develops, manufactures, and distributes antibodies, recombinant proteins and immunoassays, mainly in the field of insulin-like growth factors (IGF?s) and insulin-like growth factor binding proteins (IGFBP?s)

IMMCO Diagnostics - makers of autoimmune controls and secondary conjugates. They provide immunohistochemical and ELISA reagents for the detection of autoimmune related disorders.

IBL America - an international supplier of reagents, assays, and antibodies for research and clinical diagnostics

Imgenex India - antibodies for the study of human biology linked to cancer, apoptosis (programmed cell death), molecular signaling pathways, cellular aging, and metabolic/infectious diseases

Immunodiagnostik - antibodies for medical research and diagnostics, including calcium and bone metabolism, heart and cardiovascular diseases. Also, antibodies to thymus-peptides and hormones.

ImmunoKontact - antibodies for cytokines, chemokines, growth factors, cell signaling, phosphorylation, TLR, sumo, apoptosis, cell proliferation, DNA damage, and stress response

Immunology Consultants Laboratory - producer of monoclonal and polyclonal antibodies for veterinary diagnostics (FeLV, FIV, distemper, canine IgE), human infectious disease antigens and antibodies (dengue, Chagas, T.B, rubella), and affinity purified polyclonal antibodies and conjugates to animal and human proteins.

Immunometrics - tube based immunoassay kits and a range of primary reagents

ImmunoPrecise Antibodies - anti-salmonid, anti-francisella, anti-xenopus, anti-kudoa thyrsites, and anti-rainbow trout antibodies

ImmunoReagents - affinity purified polyclonal antibodies for life science and in vitro diagnostic applications.  Secondary antibodies are cross-absorbed for higher specificity.  Primary antibodies are directed to human disease markers including hormones, cancer, serum proteins, cardiac markers, etc...

Immunostar - specializing in antibodies and peptide controls for neuroscience applications, product offering also includes antibodies to pancreatic hormones and peptide controls, gastrointestinal hormones and peptide controls, catecholamine enzyme markers, and oncogenes.

Immunostep - manufacturer and distributor of antibodies to cell human markers for flow cytometric applications. Supplying bulk antibodies conjugated in a variety of fluorochromes

ImmunoTools - manufacturer and distributor of antibodies to cell markers for flow cytometric applications, anti-cytokine antibodies, ELISA, and more

Immunovision - producers of Ro/SS-A, La/SS-B, Sm, nRNP, Scl-70, and Jo-1 antigens

Immunsystem - offers a Protein A ELISA kit and chicken antibody products in application areas covering research, human therapy, and diagnostics. Immunsystem has been working with chicken antibodies since 1983.

Immuquest - antibodies against proteins involved in cell cycle/signalling, checkpoint control, nuclear envelope pore and transport, RNA binding (hnRNP), neuroscience, and various disease states.

Innova Biosciences - the inventor of  Lightning-Link - a rapid, one step,  antibody labeling kit.  They currently have over 40 available kits including enzymes,  fluorescent proteins/dyes, and biotin/avidin.

Innovation Automation - software for immunochemistry data management and reporting

Insight Biotechnology - cytokine, CD, cell biology, and secondary antibodies

Insight Genomics - antibodies, test kits, and protein purification beads

Invitrogen - innovative products for gene expression and analysis. Products include a line of antibodies which detect epitope-tagged fusion proteins produced by a wide variety of expression vectors and systems which utilize recombinant antibody technology.

IQ Products - flow cytometry reagents for research and diagnostics, including a TGF-beta R-PE kit, a fetal cell count kit, and dual color feto-maternal hemorrhage diagnosis kit

Isconova - providers of ready-to-use and safe adjuvants for the production of monoclonal and polyclonal antibodies

Jackson ImmunoResearch Laboratories - specializes in the production and conjugation of affinity-purified, secondary antibodies and purified immunoglobulins

Jackson Laboratory - JAX® Mice are the most published and well characterized mouse models in the world.

KCH Scientific - antibodies and antigens for infectious diseases such as hepatitis and HIV

Kemp Proteins -Developer of OEM antibody and proteins for world-wide distribution (ISO 9001 compliant).

Kerafast, Inc. - provides rapid access to unique research reagents, including monoclonal and polyclonal antibodies, developed by prominent research institutions around the world

Kirkegaard & Perry Laboratories - suppliers (for over 20 years) of a wide variety of secondary and labeled antibodies

Kim Laboratories - monoclonal antibodies to Norovirus Genogroup I (GI.2-G1.8) and Genogroup II (GII.2-GII.4, GII.7-GII.9, GII.13, GII.14), E. coli O157:H7, Salmonella (serogroups A-I), and Staphylococcus aureus. They also sell detection systems for bacterial and viral food borne pathogens

Lab Vision Corporation - antibodies for cancer research

Lake Placid Biologicals - antibodies for studying chromatin and the biology of the nucleus. Antibodies have been designed for applications such as chromatin IP, immunofluorescence and Western blot.

Lee BioSolutions - specializing in the development and purification of high quality biomarkers for the immunodiagnostic, clinical diagnostic, and pharmaceutical industries

Leinco Technologies - a large, searchable selection of antibodies (>400)

LGM Pharma - Supplies several cutting edge mAbs for cancer research, and has sample quantities for R&D purposes, and several new mAbs are under development.

LSBio / LifeSpan BioSciences - 394,000 antibodies to 21,000 targets, including 14,000 antibodies validated in-house for use in immunohistochemistry (IHC), and 27,000 ELISA kits.

Linc-Bio Science Company - a provider of monoclonal and polyclonal antibodies and antigens for diagnostics including tumor markers (AFP, CEA, PSA, CA199, CA242, CA724, CA50, NSE, CYFRA21-1, and HCG), infectious diseases (HBV, HCV, and HIV), ToRCH, drug abuse, heart disease, and insulin. The English language version of their website can be found here.

LOXO - German producer of in vitro diagnostics (IVDs) for medical diagnostic laboratories as well as antibodies for research use