| Code | Display | Definition | internalId | status |
| AB | Abbott Laboratories (includes Ross Products Division) | Abbott Laboratories (includes Ross Products Division) | 11125 | active |
| AD | Adams Laboratories | Adams Laboratories | 11126 | active |
| ALP | Alpha Therapeutic Corporation | Alpha Therapeutic Corporation | 11127 | active |
| AR | Armour [Inactive - use CEN] | Armour \[Inactive-use CEN\] | 11128 | active |
| AVI | Aviron | Aviron | 11129 | active |
| BA | Baxter Healthcare Corporation | Baxter Healthcare Corporation | 11130 | active |
| BAY | Bayer Corporation (includes Miles, Inc. and Cutter Laboratories) | Bayer Corporation (includes Miles, Inc. and Cutter Laboratories) | 11131 | active |
| BP | Berna Products [Inactive - use BPC] | Berna Products \[Inactive-use BPC\] | 11132 | active |
| BPC | Berna Products Corporation (includes Swiss Serum and Vaccine Institute Berne) | Berna Products Corporation (includes Swiss Serum and Vaccine Institute Berne) | 11133 | active |
| CEN | Centeon L.L.C. (includes Armour Pharmaceutical Company) | Centeon L.L.C. (includes Armour Pharmaceutical Company) | 11134 | active |
| CHI | Chiron Corporation | Chiron Corporation | 11135 | active |
| CON | Connaught [Inactive - use PMC] | Connaught \[Inactive-use PMC\] | 11136 | active |
| EVN | Evans Medical Limited (an affiliate of Medeva Pharmaceuticals, Inc.) | Evans Medical Limited (an affiliate of Medeva Pharmaceuticals, Inc.) | 11137 | active |
| GRE | Greer Laboratories, Inc. | Greer Laboratories, Inc. | 11138 | active |
| IAG | Immuno International AG | Immuno International AG | 11139 | active |
| IM | Merieux [Inactive - use PMC] | Merieux \[Inactive-use PMC\] | 11140 | active |
| IUS | Immuno-U.S., Inc. | Immuno-U.S., Inc. | 11141 | active |
| JPN | The Research Foundation for Microbial Diseases of Osaka University (BIKEN) | The Research Foundation for Microbial Diseases of Osaka University (BIKEN) | 11142 | active |
| KGC | Korea Green Cross Corporation | Korea Green Cross Corporation | 11143 | active |
| LED | Lederle [Inactive - use WAL] | Lederle \[Inactive-use WAL\] | 11144 | active |
| MA | Massachusetts Public Health Biologic Laboratories | Massachusetts Public Health Biologic Laboratories | 11145 | active |
| MED | MedImmune, Inc. | MedImmune, Inc. | 11146 | active |
| MIL | Miles [Inactive - use BAY] | Miles \[Inactive-use BAY\] | 11147 | active |
| MIP | Bioport Corporation (formerly Michigan Biologic Products Institute) | Bioport Corporation (formerly Michigan Biologic Products Institute) | 11148 | active |
| MSD | Merck and Co., Inc. | Merck & Co., Inc. | 11149 | active |
| NAB | NABI (formerly North American Biologicals, Inc.) | NABI (formerly North American Biologicals, Inc.) | 11150 | active |
| NAV | North American Vaccine, Inc. | North American Vaccine, Inc. | 11152 | active |
| NOV | Novartis Pharmaceutical Corporation (includes Ciba-Geigy Limited and Sandoz Limited) | Novartis Pharmaceutical Corporation (includes Ciba-Geigy Limited and Sandoz Limited) | 11153 | active |
| NYB | New York Blood Center | New York Blood Center | 11151 | active |
| ORT | Ortho Diagnostic Systems, Inc. | Ortho Diagnostic Systems, Inc. | 11155 | active |
| OTC | Organon Teknika Corporation | Organon Teknika Corporation | 11154 | active |
| PD | Parkedale Pharmaceuticals (formerly Parke-Davis) | Parkedale Pharmaceuticals (formerly Parke-Davis) | 11156 | active |
| PMC | Aventis Pasteur Inc. (formerly Pasteur Merieux Connaught; includes Connaught Laboratories and Pasteur Merieux) | Aventis Pasteur Inc. (formerly Pasteur Merieux Connaught; includes Connaught Laboratories and Pasteur Merieux) | 11157 | active |
| PRX | Praxis Biologics [Inactive - use WAL] | Praxis Biologics \[Inactive-use WAL\] | 11158 | active |
| SCL | Sclavo, Inc. | Sclavo, Inc. | 11159 | active |
| SI | Swiss Serum and Vaccine Inst. [Inactive - use BPC] | Swiss Serum and Vaccine Inst. \[Inactive-use BPC\] | 11160 | active |
| SKB | SmithKline Beecham | SmithKline Beecham | 11161 | active |
| USA | United States Army Medical Research and Materiel Command | United States Army Medical Research and Materiel Command | 11162 | active |
| WA | Wyeth-Ayerst [Inactive - use WAL] | Wyeth-Ayerst \[Inactive-use WAL\] | 11163 | active |
| WAL | Wyeth-Ayerst (includes Wyeth-Lederle Vaccines and Pediatrics, Wyeth Laboratories, Lederle Laboratories, and Praxis Biologics) | Wyeth-Ayerst (includes Wyeth-Lederle Vaccines and Pediatrics, Wyeth Laboratories, Lederle Laboratories, and Praxis Biologics) | 11164 | active |