Founded by John Rocco Longo in a Morristown basement in 1945, Longo Electrical-Mechanical repairs, rebuilds, and maintains the industrial electrical and mechanical equipment that keeps critical infrastructure running. Now a third-generation, family-owned business, it serves customers throughout the Northeast and beyond from four facilities totaling more than 100,000 square feet. Longo was the first American electrical-mechanical business certified to ISO 9001 and provides 24/7 emergency field response alongside its repair and engineering work.
ISO 9001
certification
Underwriters Laboratories
certification