Sigma Corporation is one of the leading manufacturers of electrical connectors and grounding products. It has been our ongoing focus to provide unparalleled customer satisfaction through exceptional quality, competitive price and prompt service.We are continuously striving to offer cutting edge products to the market through process and product innovation. Our unmatched R&D capabilities have proved to be a very useful tool for client all around the world.Our products are supplied to some of the major power & utilities companies, OEMs, distributors and electrical contractors. Our client portfolio includes some of the prominent names including many Fortune 500 companies in the energy, auto and engineering sectors.Sigma is an ISO 9001 registered company with major product approved by UL, CUL & CSA.