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


William Morris Agency“…It is my pleasure to recommend GISS and their services…”
– Robert G, Executive Vice President, William Morris Agency

The Helmsley Windsor Hotel“…provided outstanding security services…”
– Donna S, General Manager, Helmsley Windsor Hotel

Charles Schwab“…Excellent job your company did in protecting my employees over the last month…”
– Scott G, Branch Manager, Charles Schwab

Charles Schwab“…outstanding level of professionalism and service that you and your staff have provided…”
– Jim E, Vice President, Regional Manager, Charles Schwab

Warner Bros Studio Store“…services were instrumental in assisting us to achieve our goal…”
– Cole M, LOSS Prevention Consultant, Warner Bros

Rutgers“…commend you for the top-notch employees that you have sent to work with us…”
– Lydia R and Fred B, Assistant Dean’s, Rutgers

Temple Chaverim“…professional, courteous and willing to accommodate above and beyond…”
– Shelly W, President, Temple Chaverim

Natalia Nastaskin Attorney At Law“…impressed by the staffs unparalleled efficiency, mastery of the security business…”
– Natalia N, Attorney At Law

Damascus Bakery“…sense of relief knowing that your professionals stood watch over our company…”
– Edward M, President, Damascus Bakery

Ex-Legion“…high quality job in guarding commercial oil bases and convoying humanitarian cargos…”
– Igor E, Managing Director, Ex-Legion, Ukraine

Scania“…armed group of security specialists for convoying Demo trucks and Coahces in Ukraine…”
– Dimitry M, Transport and Security Manager, Scania, Ukraine

HRH Construction LLC“…their office and field staff are very courteous and respectful…”
– Robert G, Project Manager, HRH Construction LLC

Said Belhadfa“…his staff are prompt, courteous and always professional…”
– Said B, Couture Wardrobe Stylist

More references available upon request.