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ABOUT
MAINTENANCE
We specialize in the prevention of electrical fires and business crippling outages. GLS is among the leaders in the design and installation of electrical distribution systems. Our service representatives, technicians and support staff receive the latest comprehensive training in methods, technique and software support.

CONTACT US
631-567- 8000



GLS maintenance technicians supplied the electrical needs of volunteers at ground zero.

24 HOUR EMERGENCY SERVICE
631-425-4317