- A-1 Elite Limousine
- A-9-1-1 Emergency Electric Svc
- A-Aaabco
- AAA Document Svc LLC
- AAA Engraving
- AARP Foundation Senior Comm
- ABM Janitorial Svc
- Abramovitz & Cymerman
- ACBA Legal Placement Svc
- ACBA Video & Reporting Svc
- Accentricity Inc
- Access Data Corp
- Accounting & Consulting Sltns
- Accurate Biomedical Lab Admin