Over the years, hundreds of clients have entrusted the responsibility of security to GISS International, take a look and you’ll be convinced that you should too.
- Avis
- Budget Rent-A-Car
- Warner Brothers
- MCI
- The Helmsley Windsor Hotel
- Pavarini McGovern Construction
- Structure Tone Inc.
- Columbia University
- Bank of New York
- Mellon
- Related Management
- Triton Structural Concrete
- Bovis Lend Lease
- New-York Historical Society
- Van Cleef & Arpels
- Penmark Management, LLC
- Rose Associates, Inc.
- Budget Rent-A-Car
- Jewish Board of Family and Children Services
- Mount Sinai Medical Center
- Commodore Construction
- William Morris Agency
- Charles Schwab
- Rutgers
- Temple Chaverim
- Damascus Bakery
- Ex-Legion
- Scania
- HRH Construction LLC