Here is a list of over 150 custom antibody suppliers with a brief categorization of the kind of services that they provide. Definitions of descriptors are as follows:

1. peptides - indicates that a company will synthesize peptide haptens. Visit the Peptide Resource Page if you are interested in custom peptide synthesis.
2. recombinant proteins - indicates that a company will express recombinant protein immunogens
3. DNA - indicates the company can perform cDNA immunizations to generate antibodies

If you are interested in catalog antibodies, see our antibody supplier page. If you are interested in the large scale or regulatory compliant production of antibodies, see our large-scale antibody production page.

If you would like to have your company added to the list or update/correct any information, please click here.

1. BioGenes - (monoclonal, polyclonal, immunoassays) - BioGenes gives a guarantee for monoclonal and polyclonal antibodies. They develop stable monoclonal antibody cell lines within 3-4 months and need just 0.2 mg of protein for the whole development. All results and clones become the property of the customer. They also offer contract services for development, validation and production of immunoassays.

2. Abbiotec - (monoclonal, polyclonal, peptides) - goat polyclonal and rat monoclonal antibody production services

3. AbboMax - (monoclonal, polyclonal, peptides)

4. AbD Serotec - (monoclonal, recombinant proteins, DNA)

5. AbFrontier - (monoclonal, polyclonal, recombinant proteins)

6. Abgent - (monoclonal, polyclonal, peptides, recombinant proteins) - phosphospecific antibody production from recombinant proteins and peptides (epitope design consultation included). Peptide/protein affinity purification, protocol extension, and characterization as well.

7. Abmart - (monoclonal, polyclonal, peptides, recombinant proteins) - custom “application guaranteed” monoclonal antibodies for ELISA, WB, IP, IF, ICC, IHC applications, including protein modification-specific and small molecule antibodies.

8. Abnova - (monoclonal, polyclonal, peptides, recombinant proteins) - Abnova develops antibodies in mice and rabbit with full-length proteins.  Protein production is based on eukaryotic expression apparatus of in vitro wheat germ and mammalian systems.  Antibody pairing service is also available for your quantitative needs.

9. Abpro - (monoclonal, polyclonal, recombinant proteins) - a service to obtain custom hybridomas in less than 2 months (High Throughput Protocol™) is offered

10. ABR - Affinity BioReagents - (polyclonal, peptides) - Ab production includes sequence analysis, antigen design, conjugation, peptide affinity purification, and ELISA and SDS-PAGE reports

11. Absea Biotechnology - (monoclonal, polyclonal, peptides) - rat and murine monoclonals. Antibody conjugation and purification, Fab or F(ab')2 fragment production, and assay development as well.

12. ABSinobio - (polyclonal, peptides, recombinant proteins)

13. Adar Biotech - (monoclonal, polyclonal, peptides) - monoclonal antibody development using a proprietary selection process which replaces HAT selection.

14. Advanced ChemTech - (polyclonal, peptides)

15. Advy Chemical - (polyclonal) - a custom antibody manufacturer based in Mumbai, India that specializes in goat polyclonal antibodies

16. Affiniti Research Products - (polyclonal, peptides)

17. Agro-Bio - (monoclonal, polyclonal, peptides, DNA) - chicken antibodies

18. AgriSera - (monoclonal, polyclonal, peptides) - hens and rabbits

19. AGTC Bioproducts - (polyclonal, peptides) - can produce 5-8 mls of pAbs in mice at titres similar to a rabbit. A choice can be made to go on to produce mAbs using the same mice.

20. Alpha Diagnostics - (monoclonal, polyclonal, peptides) - including complete protein sequence analysis, BLAST, and antigenic peptide selection

21. AlphaGenix - (monoclonal, polyclonal)

22. Alta Bioscience - (polyclonal, peptides)

23. AMS Biotechnology - (monoclonal, polyclonal, recombinant proteins) - including phospho specifice polyclonal antibody production

24. Anaspec - (monoclonal, polyclonal, peptides)

25. Anawa Trading Company - (monoclonal, polyclonal, peptides)

26. Antagene - (monoclonal, polyclonal, peptides) - chicken antibodies too

27. Antibodies Incorporated - (monoclonal, polyclonal)

28. AntibodyBcn - (monoclonal, polyclonal, peptides) - service for the production of antibodies in Spain

29. Antibody Production Services - (monoclonal, polyclonal) - antibody purification, conjugation, and chicken polyclonals are offered as well

30. Antibody Research Corporation - (monoclonal, polyclonal, peptides, DNA) - in vitro antibody production as well

31. Antibody Solutions - (monoclonal, polyclonal, peptides) - in vitro production

32. Antiserum Plus - (polyclonal) - specializing in sheep polyclonals

33. Athens Research and Technology - (polyclonal)

34. Aves Lab - (polyclonal, peptide) - specializing in custom antibodies made in chickens (IgY). They offer peptide design and synthesis, IgY purification, affinity purification, etc...

35. Avian Immunology - (polyclonal)- specializing in custom antibodies made in chickens (IgY).

36. BAM Biotech Company - (polyclonal, peptides) - rabbit and chicken antibodies

37. Beijing Protein Innovation - (polyclonal, monoclonal, recombinant proteins) - full-length cDNAs can inserted into the appropriate expression vectors to produce monoclonal antibodies. For the website in Chinese, click here.

38. Bethyl Laboratories - (polyclonal, peptides)

39. BioAtla - (monoclonal, polyclonal) - antibody development services include humanization and optimization for affinity (sub-nanomolar), stability, Fc functionality, and expression.

40. BioCarta - (polyclonal, peptides)

41. BIOCON - (monoclonal, polyclonal) - in vitro

42. Biodesign International - (monoclonal, polyclonal)

43. Bio-Express - (monoclonal) - custom fermentation and purification of monoclonal antibodies (mg - g amounts), low endotoxin, suited for animal studies

44. Biogenes - (monoclonal, polyclonal, peptides)

45. Bioinvent International - (monoclonal) - human monoclonal antibodies

46. Biomatik - (monoclonal, polyclonal, peptides, recombinant proteins, DNA)

47. Bionexus - (monoclonal, polyclonal, peptides)

48. BIOO Scientific - (monoclonal, polyclonal)

49. Biosonda - (monoclonal, polyclonal)

50. Bio-Synthesis - (polyclonal, peptides) - a large selection of host animals and antigen design

51. Biotem - (monoclonal, polyclonal, DNA) - custom hybridomas development can be achieved using a variety of immunization types: standard, substractive, in vitro, genetic. This French company also offers full range of other services are available including antibody purfication and modification, assay development, antibody characterization (e.g., affinity constant determination), and cell culture services.

52. Biotrend - (monoclonal, polyclonal, peptides)

53. Bioventix - (monoclonal, polyclonal) - specializing in sheep monoclonal antibodies in up to gram quantities

54. Bioworld - (monoclonal, polyclonal, peptides) - purification and conjugation with specific tags too

55. Brown Family Enterprises - (polyclonal, peptides)

56. Cambridge Research Biochemicals - (monoclonal, polyclonal, peptides) - also specializing in the fluorescent labelling of antibodies

57. Capralogics - (polyclonal) - high volume production of serums for research, discovery, and diagnostic applications. USDA certified "scrapie-free" goats dedicated for diagnostic antibody production. Approved EU collection facility.

58. CASLO - (polyclonal, peptides) - polyclonal antibodies are availalbe in rabbits, goats, guinea pigs, and rats

59. Cedarlane Laboratories - (monoclonal, polyclonal, peptides)

60. Cell Essentials - (monoclonal, polyclonal, peptides) - bioreactor production and antibody purification

61. Centre Lago - (polyclonal, peptides) - can purify serum

62. 21st Century Biochemicals - (polyclonal, peptides, recombinant proteins) - custom polyclonal and phosphospecific antibody production. Peptide QC includes mass spec sequencing of custom peptides. Antibodies, including affinity purified antibodies, are produced in rabbits, goats, sheep, chickens, and other small animals.

63. Charis Diagnostics - (monoclonal) - specializing in producing monoclonal antibodies to small molecules and assay development

64. Charles River Laboratories - (polyclonal) - Specific Pathogen Free (SPF) chickens produces antibodies without interference or cross-reactivity due to the presence of antibodies to common poultry pathogens.

65. Cocalico Biologicals - (monoclonal, polyclonal)

66. Covalab - (monoclonal, polyclonal, peptides)

67. Covance Research Products - (monoclonal, polyclonal)

68. Creative Biolabs - (monoclonal, polyclonal, peptides) - custom chicken IgY production

69. Custom Monoclonals International - (monoclonal)

70. Cytomol - (monoclonal, polyclonal, peptides, recombinant proteins)

71. Davids Biotechnologie - (monoclonal, polyclonal) - in vitro production, rabbit polyclonals, and egg yolk antibodies

72. DB Biotech - (clonal) - utilizes a new technology that produces clonal antibodies, a pure immunoglobulin fraction that corresponds to a single clone of a B lymphocyte. The company claims the fraction recognizes a single linear epitope of an antigen and is therefore comparable to the specificity of a monoclonal antibody.

73. Deciphergen Biotechnology - (monoclonal, polyclonal, peptides)

74. Diatec - (monoclonal)

75. Dragonfly Sciences - (monoclonal, polyclonal, peptides, recombinant proteins) - specializing in anti-phosphopeptide specific antibodies.

76. ECM Biosciences - (monoclonal, polyclonal, peptides) - custom rabbit polyclonal antibody services. The also offer services to develop phospho-specific antibodies, function-altering antibodies, and antibodies for various applications, such as western blot and immunocytochemistry.

77. eEnzyme - (polyclonal, DNA) - rabbit pAbs using full length recombinant viral proteins or peptides

78. EMBL Monoclonal Antibody Core Facility - (monoclonal)

79. Endocrine Technologies - (monoclonal, polyclonal, peptides)

80. EnoGene - (monoclonal, polyclonal, peptides)

81. Enzymax - (polyclonal) - fusion protein purification for antibody generation

82. Epitomics - (monoclonal, peptides) - rabbit monoclonal, tissue, and DNA based immunization

83. Epytop - (monoclonal, polyclonal, peptides)

84. Eurogentec - (monoclonal, polyclonal, peptides)

85. EXBIO Praha - (monoclonal)

86. First Phase Technologies - specializing in custom antibody and tissue microarrays. They use state of the art printing technologies to print your antibodies on diagnostic substrates.

87. Fitzgerald Industries International - (polyclonal)

88. Fusion Antibodies - (monoclonal, polyclonal, peptides, recombinant proteins) - scFv and Fab production

89. Gallus Immunotech - (monoclonal, polyclonal, peptides) - chicken antibodies

90. GEMAC - (monoclonal, polyclonal) - hapten-carrier conjugation services

91. Geneart - (monoclonal, polyclonal, DNA) - antibody production from cDNA including the genetic immunization of chickens

92. Genemed Synthesis - (monoclonal, polyclonal, peptides)

93. General Bioscience - (monoclonal, polyclonal, peptides)

94. Genosphere Biotechnologies - (polyclonal, peptides)

95. Genovac - (monoclonal, polyclonal, DNA)

96. GenScript Corporation - (monoclonal, polyclonal, DNA, peptides) - they guarantee a titer of 1:10,000 or better for polyclonal antibody production and two ELISA positive clones for monoclonal antibody production

97. Genway Biotech - (polyclonal) - chicken antibodies

98. Global Peptide Services - (polyclonal, peptides) - specializing in the prodcution of phospho-specific polyclonal antibodies

99. Good Biotech - (polyclonal) - "the duck biofactory" - duck egg antibodies

100. Gramsch Laboratories - (monoclonal, polyclonal, peptides)

101. Green Mountain Antibodies - (monoclonal, polyclonal, peptides) - in vitro production

102. Harlan Bioproducts - (monoclonal, polyclonal)

103. Harlan UK - (monoclonal, polyclonal) - polyclonals produced in rats, mice, guinea pigs, hamsters, rabbits, chickens, goats, sheep and llama. Their monoclonal service includes hybridoma development and in vivo or in vitro production.

104. HyperOmics Farma - (polyclonal, recombinant proteins) - custom-made IgY primary antibodies and the supply of the complementary reagents

105. Imgenex - (monoclonal, polyclonal)

106. Immunechem - (polyclonal)

107. ImmunoGlobe Antikoerpertechnik - (polyclonal)

108. ImmunoKontact - (monoclonal, polyclonal, peptides)

109. Immuno-Precise Antibodies - (monoclonal) - from immunization to cloned mAbs in 32 days (Rapid-Prime). 10 clones are provided per immunogen and rat mAbs are available.

110. Immunsystem - (polyclonal) - specializing in chicken antibodies

111. Inbio - (monoclonal, polyclonal)

112. Innovagen - (monoclonal, polyclonal, peptides)

113. Invitrogen - (polyclonal, peptide) - antibody purification, conjugation, and online status tracking using EvoTrackTM Online

114. InVivo Biotech - (monoclonal) - monoclonal antibodies can be produced under serum-free conditions thereby avoiding issues associated with serum containing processes

115. ISL (Immune Systems Ltd) - (monoclonal, polyclonal, peptides)

116. IVD Services - (polyclonal) - rabbits and chickens plus a breeding program to optimize antibody production

117. Jinsite - (monoclonal, polyclonal, peptides) - including phospho-specific antibody and antibody modification services

118. LAE Biotechnology Company - (monoclonal, polyclonal) - uses linear array technology (LAE) to produce antibodies (including antibodies against self) to submitted sequences without the need for customers to supply proteins or synthetic peptides

119. Lampire Biological Laboratories - (monoclonal, polyclonal) - in vitro production

120. Lee Laboratories - (polyclonal)

121. Leinco - (monoclonal, peptides) - specialities incude the CHO cell transgene expression of monoclonal antibodies and antibody development in Armenian hamsters for in vivo murine studies

122. LifeSpan Biosciences - (polyclonal, peptides) - specializing in the development of immunohistochemistry validated antibodies

123. LifeTein - (monoclonal, polyclonal)

124. Maine Biotechnology Services - (monoclonal, polyclonal, peptides) - Custom cGMP monoclonal and polyclonal antibody production & development, including in vitro and ascites production methods. Additional services include purification, affinity purification, and conjugation.

125. Mathison Immuno Scientific - (monoclonal)

126. Medicago - (monoclonal)

127. Medimabs - (monoclonal, peptides) - including complete protein sequence analysis, peptide design, and antibody purification

128. MicroPharm - (polyclonal)

129. MilleGen - (polyclonal, peptides) - custom recombinant single chain variable fragments (scFv) antibodies as well

130. Mimotopes - (polyclonal, peptides) - they design, manufacture, and conjugate peptides for Ab production. Conjugated peptide libraries for Ab production can also be provided.

131. ModiQuest - (monoclonal, polyclonal, peptides) - polyclonal (rabbit and chicken) and mouse monoclonal.

132. Monash Antibody Technologies Facility - (monoclonal, peptides)

133. Moravian Biotechnology - (monoclonal, polyclonal, peptides)

134. Neoclone - (monoclonal) - monoclonals are produced using a retroviral method to immortalize which results in more stable cell lines since the resulting cells are not polyploid. Antibodies are produced more quickly (versus cell fusion) and up to 18 antibody cell lines can be provided for standard projects.

135. New England Peptides - (polyclonal, peptides) - epitope mapping, antigen design, bioinformatics, BLAST, etc...

136. Operon - (monoclonal, recombinant proteins) - including F(ab) / F(ab')2 production

137. Open Biosystems - (monoclonal, polyclonal, peptides)

138. Orbigen - (monoclonal, polyclonal, peptides)

139. Pacific Immunology - (polyclonal, peptides)

140. Panigen - (monoclonal, polyclonal)

141. P.A.R.I.S - (monoclonal, polyclonal) - also safe cell banking, purification, labeling, and fragmentation

142. Phoenix Pharmaceuticals - (polyclonal, peptides)

143. Precision Antibody - (monoclonal, polyclonal) - custom monoclonal antibodies in less than 40 days

144. PRF&L - (monoclonal, polyclonal)

145. Promab Biotechnologies - (monoclonal) - recombinant protein production and hybridoma cells as well

146. Proteintech Group - (monoclonal, polyclonal, peptides, recombinant proteins)

147. Primorigen - (monoclonal) - immunoassay and microarray development/manufacturing also

148. Proteogenix - (monoclonal, polyclonal, peptides, DNA)

149. ProSci - (monoclonal, polyclonal, peptides) - free antigen design service for peptides

150. PX'Therapeutics - (monoclonal, DNA)

151. QED Biosciences - (monoclonal, polyclonal, DNA) - anti-idiotype, pharmacologically active, and bifunctional antibody production as well

152. Quality Bioresources - (polyclonal)

153. RD-Biotech - (monoclonal, polyclonal) - ascites and in vitro monoclonal antibody production, recombinant protein expression in bacteria and mammalian cells, purification, conjugation, and banking services

154. Rockland - (monoclonal, polyclonal, peptides, DNA) - tissue culture mAb production and DNA based immunizations (with vector construction)

155. SACRI Antibody Services - (monoclonal, polyclonal, peptides) - standard hosts including chickens. Antigen design is also available.

156. Saint Louis University Hybridoma Development Service - (monoclonal)

157. SCL Biosciences - (monoclonal, polyclonal, peptides)

158. Severn Biotech - (polyclonal, peptides) - Polyclonals can be produced in rats, mice, guinea pigs, hamsters, rabbits, chickens, goats, sheep, and llama. ELISA analysis of pre-screened serum and titres are also available.

159. Sigma-Aldrich - (polyclonal, peptides)

160. Signalway Antibody Company - - (polyclonal, peptides) - specializing in the custom production of phospho-specific-antibodies

161. Southern Biotechnology Associates - (monoclonal, polyclonal, peptides)

162. Spring Valley Laboratories - (monoclonal, polyclonal, peptides) - polyclonal production in rabbits, mice, rats, guinea pigs, ferrets, sheep, and goats

163. Statens Serum Institut - (monoclonal, polyclonal)

164. Storkbio - (monoclonal, polyclonal, peptides)

165. Strategic Diagnostics - (monoclonal, polyclonal, DNA) - peptide and immunogen design also

166. Synaptic Systems - (monoclonal, polyclonal, peptides) - development and production of customer-specific rat and mouse monoclonal antibodies and antibody production from customer hybridoma cell lines

167. Thermo Scientific - (monoclonal, polyclonal, DNA)

168. United States Biological - (monoclonal, polyclonal, peptides) - including conjugation services (e.g., to biotin, FITC, HRP, alkaline phosphatase, phycoerythrin, and colloidal gold)

169. Virusys - (monoclonal, polyclonal, peptides) - mouse, rabbit, chicken, goat, sheep, and llama monoclonals

170. Wanger Biotech - (monoclonal, polyclonal) - SPF certified animal facilities, laboratories, and instruments

171. Washington Biotechnology - (monoclonal, polyclonal, peptides)

172. YenZym - (polyclonal, peptides) - offering protein analysis/peptide design

173. Yes Biotech Laboratories - (monoclonal)

174. Yorkshire Bioscience - (monoclonal, polyclonal, peptides)