| Code | Description | Version |
| AB | Abbott Laboratories | added v2.3 |
| AD | Adams Laboratories, Inc. | added v2.3 |
| ALP | Alpha Therapeutic Corporation | added v2.3 |
| AR | Armour | added v2.3 |
| AVB | Aventis Behring L.L.C. | added v2.5 |
| AVI | Aviron | added v2.3.1 |
| BA | Baxter Healthcare Corporation | added v2.3 |
| BAH | Baxter Healthcare Corporation | added v2.5 |
| BAY | Bayer Corporation | added v2.3 |
| BP | Berna Products | added v2.3 |
| BPC | Berna Products Corporation | added v2.3.1 |
| CEN | Centeon L.L.C. | added v2.3.1 |
| CHI | Chiron Corporation | added v2.3.1 |
| CMP | Celltech Medeva Pharmaceuticals | added v2.5 |
| CNJ | Cangene Corporation | added v2.6 |
| CON | Connaught | added v2.3 |
| DVC | DynPort Vaccine Company, LLC | added v2.6 |
| EVN | Evans Medical Limited | added v2.3 |
| GEO | GeoVax Labs, Inc. | added v2.6 |
| GRE | Greer Laboratories, Inc. | added v2.3 |
| IAG | Immuno International AG | added v2.3.1 |
| IM | Merieux | added v2.3 |
| IUS | Immuno-U.S., Inc. | added v2.3 |
| JPN | The Research Foundation for Microbial Diseases of Osaka University | added v2.3 |
| KGC | Korea Green Cross Corporation | added v2.3 |
| LED | Lederle | added v2.3 |
| MA | Massachusetts Public Health Biologic Laboratories | added v2.3 |
| MBL | Massachusetts Biologic Laboratories | added v2.5 |
| MED | MedImmune, Inc. | added v2.3.1 |
| MIL | Miles | added v2.3 |
| MIP | Bioport Corporation | added v2.3 |
| MSD | Merck & Co., Inc. | added v2.3 |
| NAB | NABI | added v2.3 |
| NAV | North American Vaccine, Inc. | added v2.3.1 |
| NOV | Novartis Pharmaceutical Corporation | added v2.3.1 |
| NVX | Novavax, Inc. | added v2.6 |
| NYB | New York Blood Center | added v2.3 |
| ORT | Ortho-Clinical Diagnostics | added v2.3.1 |
| OTC | Organon Teknika Corporation | added v2.3 |
| OTH | Other manufacturer | added v2.3 |
| PD | Parkedale Pharmaceuticals | added v2.3 |
| PMC | sanofi pasteur | added v2.3.1 |
| PRX | Praxis Biologics | added v2.3 |
| PWJ | PowderJect Pharmaceuticals | added v2.5 |
| SCL | Sclavo, Inc. | added v2.3 |
| SI | Swiss Serum and Vaccine Inst. | added v2.3 |
| SKB | GlaxoSmithKline | added v2.3 |
| SOL | Solvay Pharmaceuticals | added v2.6 |
| TAL | Talecris Biotherapeutics | added v2.6 |
| UNK | Unknown manufacturer | added v2.3 |
| USA | United States Army Medical Research and Material Command | added v2.3.1 |
| VXG | VaxGen | added v2.6 |
| WA | Wyeth-Ayerst | added v2.3 |
| WAL | Wyeth-Ayerst | added v2.3.1 |
| ZLB | ZLB Behring | added v2.6 |