Electrical Engineers - Testing Labs - Electric Contractors-Commercial & Industrial
SUPERIOR GROUNDING SYSTEMS', Inc. (SGS) specializes the engineering, manufacturing, installation, and testing of electrolytic systems for grounding and lighting protection. Headquartered in Irwindale, CA; SGS services private businesses (large and small) as well as governmental (non-profit) agencies ranging from city, state, to federal levels.

16021 E. Arrow Hwy. 91706 Baldwin Park CA