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.

Antikoerper Online and Antibodies Online - A website (in German and English) that facilitates the search for commerical antibodies. There are more than 90,000 antibodies listed in their database and once found, antibodies can be ordered through the website.

Biocompare - Lists of antibodies, antibody-affinity media, and antibody production services can be found here. Click here to be taken to their interesting antibody specific search tool where you can limit your query by reactivity, host species, isotype, and conjugate type.

BIOgate - an Israeli life science portal with a search engine to find Israeli antibody suppliers

Bionity - among other life science portals one can find an antibody database containing more than 110,000 antibodies from 35 manufacturers

BioSupplyNet - an on-line buyer's guide for researchers. Search by keyword entry.

ExactAntigen - a site that trolls thousands of websites - mainly from commercial suppliers - and other sources to locate providers of antibodies (and other reagents). Users can search by categories such as gene, organism, and disease. The results often list antibody products along with publications and relevant patents.

Linscott's Directory of Immunological & Biological Reagents - is now available free of charge. It contains more than 110,000 commercial and governmental supplier listings including suppliers of antibodies, hybridomas, immunoassays, and custom services.

IHC Mall - self described as "The Buyer's Guide For Histology Professionals" - search and find antibodies alphabetically or by research areas. There are 120,000+ antibodies and immunological related reagents in their database.

AbD Serotec Antibody Location Service - an interesting service by the title company - if they can't find the antibody from their own catalog, they will help you find a supplier who can all within 24 hours

MSRS Catalog of Primary Antibodies - offers an interactive searchable database containing a listing of over 250,000 primary antibodies. The database is useful to clinical and research organizations, manufacturers, and suppliers involved with the use of antibodies. It is equally useful for reference libraries and corporations involved in the life sciences. The database is constantly updated and continues to grow. Each record lists antibody (listed by antigen), host species, antigen species, label, clone number, isotope, unit size, product number, specifications, and company name. The database contains listings from 600+ suppliers and gives contact information for 5500+ immunology, molecular biology, and biotechnology companies worldwide. Interested individuals may obtain temporary full access upon request.