A sample list of clients of Collins & Bellenghi includes the following:
- Albertsons, Inc. (American Drug Stores Company, Lucky Stores, Sav-on)
- American Medical Response (Collins & Bellenghi represents AMR on a nation-wide basis)
- The Boeing Company (McDonnell Douglas Corp., M.D.T.S.C.)
- Costal Events Services
- Gambro Healthcare, Inc.
- General Motors Corporation (GMC, GMACM. DiTech.Com)
- Hughes Aircraft Company (DIRECTV)
- The Neiman Marcus Group, Inc.
- KFC of America, Inc.
- L & L Custom Shutters
- O'Connell Landscape Maintenance, Inc.
- Raytheon Systems
- State Farm, Insurance Company
- Taco Bell Corp.
- Wells Fargo Bank, N.A.
