Welsbach Electric Corp. is a wholly-owned subsidiary of EMCOR Group, Inc. EMCOR is the world's leading provider of mechanical and electrical construction and facilities services, including planning, consulting, and operations and maintenance.

Welsbach Electric Corp. is one of the largest electrical contractors in New York City. For over a century, the company has specialized in outdoor electrical construction and maintenance for government agencies, utilities, and private enterprise. As a subsidiary of EMCOR, Welsbach has the financial resources to undertake and bond projects of any size and duration.