Protein Design Labs, Inc.
- Develops humanized monoclonals to prevent and treat autoimmune disease, inflammatory conditions, cancers and viral infections. Includes clinical trials in Europe, manufacturing in Minnesota, headquartered in Fremont, California. (Nasdaq: PDLI)
- http://www.pdl.com/

Medarex, Inc.
- Develops therapeutic products for cancer, aids and other life-threatening diseases based on proprietary technology in antibody grafting. Based in Princeton, New Jersey. (Nasdaq: MEDX)
- http://www.medarex.com/

Immunomedics, Inc.
- Researches, develops, manufactures and sells monoclonals and ELISA kits, for use in cancer diagnosis, detection and therapy. Includes clinical overview, investor details and distributor network based in Morris Plains, New Jersey. (Nasdaq: IMMU)
- http://www.immunomedics.com/

Immuno-Dynamics, Inc.
- Researcher and manufacturer of first milking bovine colostrum. Produces both veterinary and human products.
- http://www.immunodynamics.com/

Chicken Antibodies
- Provides custom chicken antibodies, peptide synthesis, custom monoclonal antibody production, polyclonal antibodies, IgY purification kit.
- http://www.gallusimmunotech.com/

Chemicon International Inc
- Manufacturer distributing antibodies, purified proteins, migration assays, tissue microarrays, array equipment for molecular biology, and custom services for research, diagnostics and industry, based in Temecula, California.
- http://www.chemicon.com/