Commercial and Industrial
Mechanical Contracting Since 1980
  • Proudly Serving New York City Since 1980

    "Delphi Plumbing & Heating is a leading industrial, institutional, and commercial contractor, providing essential services that keep 8.8 million New Yorkers healthy and safe." --Construction in Focus Magazine

  • Industrial & Institutional Plumbing

    For Vital Industries & Demanding Applications

  • Heating, Fire Protection, & Process Piping

    Focusing On Safety, Durability, and Overall Excellence

  • NYC LL 152 Gas Inspections

    Periodic Inspection of Gas Piping Systems by One of NYC's Most Trusted, Qualified, & Experienced Mechanical Contracting Firms


We are licensed Master Plumbers in NY and NJ. We specialize in installing plumbing systems in high risers as well as all commercial, institutional and industrial facilities.


We have a proven track record of designing and installing robust, reliable HVAC systems in many commercial and industrial buildings in the NYC area.

Fire Protection

Our fire protection expertise is built on the conviction that nothing is more important than saving lives and property.

Process Piping

We have extensive experience working in water pollution, sludge pumping stations, and many other types of processing plants.

Industries Served

Our extensive experience and industry reputation has made us one of the leading mechanical contractors in the NYC area. We work with the largest and most distinguished general contractors as well as city, state, and federal agencies.
Since 1980, we have helped build NYC. Our spec to bid or negotiated projects include hospitals, jails, schools, multi-story office and residential buildings, military bases, sewage pumping stations, water pollution plants, and other commercial and industrial projects.
View All Industries


We have installed mechanical, plumbing, and medical gas systems in many NYC hospitals as well as privately owned health facilities.
Learn More


Educational facilities have rigid timeline requirements and they rely on us to complete projects on schedule.
Learn More


We have extensive experience working in correctional facilities where safety and security during the project is of the utmost importance.
Learn More

Water Pollution

Our Industrial Division has performed new installations as well as major renovations at many water pollution plants and sludge pumping stations throughout the five boroughs.
Learn More

Recent Projects

Consistently applying innovation to provide a superior level of excellence to our clients

Find Your Career at

On average, our employees are with us for more than ten years, some over thirty. We credit this to our deep belief that our company's success is due to our people's loyalty and commitment. At Delphi, you are not just an employee, you are family.
We often have the following positions open:
  • Foremen
  • Superintendants
  • Project Managers
  • Estimators
  • CAD Operators
  • Office Support
Please send your resume to

In The News

True to Their Word for 40 Years

Margaret Patricia Eaton (As featured in Construction In Focus Magazine)
Delphi Plumbing & Heating Inc., an industrial and commercial mechanical contractor in Brooklyn, New York, owes its success to...
Read More

Delphi Plumbing & Heating, Inc. Selected For "Inc. 5000 2016: America's Fastest Growing Private Companies"
Delphi Plumbing & Heating, Inc. of Brooklyn, NY has been honored with a recognition by in its selection...
Read More

Tell us about your next project...