WDF Inc. has established itself as a prominent leader in the construction industry in New York, specializing in General Contracting, Mechanical, Plumbing, and Fire Protection, and Job Order Contracting (JOC).

WDF Inc. was founded in 1929 and operated as a wholly owned subsidiary of Tutor Perini Corporation. WDF has been a mainstay in New York City for 95 years and is one of the largest Contractors in the Metropolitan area. WDF consists of three divisions: 1. General Contracting, 2. Mechanical (HVAC, Plumbing, and Fire Protection), and 3.

Throughout 85 years of experience, WDF Inc. has grown to become one of the largest specialty mechanical contractors in the New York metropolitan area. In fact, we’re the only contractors in the market that self-perform HVAC, plumbing, sprinkler and specialty general construction in both the public and private sectors.

WDF Inc. (founded in 1929) is one of the nation’s leading plumbing, HVAC contracting and specialty general contracting companies. We have joined with Five Star Electric Corporation and Nagelbush...

Phone: 914-776-8000. © 2025 WDF Inc. Equal Opportunity Employer.

Headquartered in Mount Vernon, New York, WDF Inc. conducts major commercial construction and renovation projects throughout the greater New York City metropolitan area.

WDF Inc. provides mechanical contracting services. The Company offers plumbing, heating, air-conditioning, piping, replacement, installation, repair, and maintenance services.

Founded in 1929, WDF Inc. is one of the United States’ foremost names in general contracting, plumbing, and heating and air conditioning solutions. WDF Inc. has served a diverse and discerning clientele, including the Dormitory Authority of the State of New York, the New York Family Court, and the Jamaica Water Treatment Plant.

WDF Inc. provides industry-leading services that consistently exceed our clients' expectations. As a wholly owned subsidiary of Tutor Perini Corporation, our organization is comprised of three key divisions: General Contracting, Mechanical (HVAC, Plumbing, and Fire Protection), and Job Order Contracting (JOC).

WDF Inc. (founded in 1929) is one of the nation’s leading plumbing, HVAC contracting and specialty general contracting companies. We have joined with Five Star Electric Corporation and Nagelbush Mechanical to form GreenStar Services Corporation as a diversified full service construction company.