- ARE 1330 Pickard
- Bio Reliance Corp
- Bio Reliance Corp
- Bio Reliance Corp
- Bioqual Inc
- Bioqual Inc
- Center For Advance Research
- D P Clinical Assoc
- Entre Med Inc
- Mid Atlantic Clinical Research
- Otsuka Pharmaceutical Co
- Research Office Ctr Engnr
- Sequella Inc
- Shire Laboratories Inc
- Sitek Research Labs
- Tetracore
- Walter Reed Army Inst Research