Fast Guard Security Service
Lindenhurst, NY 11757
USPA International
Farmingdale, NY 11735
maximum security
Melville, NY 11747
Costco
Melville, NY 11747
Allied Universal
Bethpage, NY 11714
Catholic Health
West Islip, NY 11795
The United States Secret Service
Copiague, NY 11726
Titan Secure
Mineola, NY 11501
Brink's
Plainview, NY 11803
GardaWorld
Smithtown, NY 11787