Whether it be preparing an estimate or a full blown engineered mechanical design, our in-house Engineers & Estimators understand that preparation, historical data, energy incentives and new innovations must be considered in each step of the process. Our first goal is to always apply common sense design practices and culminate an efficient and cost-effective project. 


While buildings will undergo several renovations and remodeling throughout its lifespan, the mechanical infrastructure will more than likely stay in place for many years.  That’s why the initial installation is so important as to eliminate any premature failures that are so costly.  While keeping a “time is of the essence” attitude, our licensed Journeyman are trained to provide quality work with a durable product.

Repair &

Technical Service is as much a pro-active specialty as it is a reactive response. Our custom prepared Maintenance Agreements touch on all manufacturers recommended maintenance details and intervals. With our state-of-the-art equipment and Technicians who deploy a high level of knowledge-based troubleshooting, we hit the mark on the needed timely resolve to any size problem.  

Sheet metal

Occupying almost 25,000 square feet is our duct fabrication facility equipped with high speed machinery that will build any air duct system you can imagine quickly and affordably but with quality. We welcome jobs of all sizes and scopes. So whether you simply need equipment made, or you need a job custom designed, built, installed, and maintained from start to finish, Main Enterprises, INC is your go-to.



Main Enterprises, Inc is a fully equipped plumbing, heating, ventilation, and air conditioning company headquartered in Stratford, Connecticut. Emerging as one of Connecticut’s largest major mechanical contracting companies, Main Enterprises applies new technologies, refuses complacency, and has done so for 101 years

The benefits of partnering with Main Enterprises include our ability to offer and directly control a myriad of in-house services such as a 24-hour service department, a sheet metal and mechanical pipe fabrication facility, our design/build engineering staff and an expert installation group. These services are supported by expert back-office management staff who coordinate and provide world-class customer service and quality in their work.

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For any inquiries, questions or commendations, please call: 203.334.3419 or fill out the following form


1180 Stratford Road

Stratford, CT 06615

Tel: 203.334.3419

Fax: 203.333.3934


To apply for employment with Main Enterprises, please visit our careers page and apply online! 

Get a quote: 203.334.3419
Longevity, stability, quality, fairness and morality is why 
working with Main Enterprises creates “Better Business Climates”
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Major Contractor 0903795

Plumbing 0204134-P1

Sheetmetal 0003804-SM1

Heating, Piping & Cooling 0390177-S1

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© 2019 by RO - Main Enterprises, INC.