Corporate Security + Executive Protection
Criminal & Civil
Civil / Criminal • Background Checks • Assets • Drug Testing / Enforcement
Phone: 602-725-1350 | Email: bgray@gsisgroupllc.com
DUNNS Number: 067207132 | CAGE Code: 7VPK4
GSIS Group, LLC
6537 N 55th Ave
Glendale, AZ 85311
P.O. Box #775
GSIS Group, LLC
1201 Fannin St
Suite 262
Houston, TX 77002
MON-FRI: 9:00 – 5:00
SAT & SUN: 9:00 – 5:00
561611: Investigative Services
561612: Security Guard and Patrol Services
561621: Security System Services
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