Diamond
- Charles River
- Eli Lilly and Company
- EPL Inc.
- Pfizer, Inc.
Emerald
- AbbVie, Inc.
- Merck
- Novartis Institutes for BioMedical Research, Inc.
- Takeda Global Research and Development Center, Inc.
Opal
- Genentech
- GlaxoSmithKline
Ruby
- Amgen, Inc.
- Biogen, Inc.
- Bristol-Myers Squibb
- Celgene Corporation
- Covance Laboratories, Inc.
- DuPont Haskell Laboratories Center
- MPI Research
- Regeneron Pharmaceuticals, Inc.
- Vertex Pharmaceuticals
- Vet Path Services, Inc.
Sapphire
- AstraZeneca/MedImmune
- HistoTox Labs, Inc.
- Sanofi
- Seventh Wave Laboratories
Pearl
- Eisai, Inc.
- GEMpath, Inc.
- HSRL, Inc.
- JCL Schuh, PLLC
- Pre-Clinical Safety, Inc.
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