A. DeLeo Construction Company is a heavy commercial, industrial, and marine contractor. Over 25 years of skilled experience and hardwork has made DeLeo become a top-rated contractor for all of New England and it's client's around the area. DeLeo Construction is a General Contractor as well as a Construction Management Firm serving all areas of the construction industry throughout the North East. 

Here Is a List of Our Major Clients:

• Blue Hill LLC.
• Caleb Brett
• Cargill
• Citgo Petroleum
• Connecticut Department of Transportation
• Diversified Technology Consultants 
• Exxon Mobil
• Fraser Engineering 
• Gulf Oil
• Logistec Terminals
• Magellan Midstream
• Motiva Enterprises, LLC.
• New Haven Terminal
• New Haven Transportation LLC.
• New Haven Waterways LLC.
• RonSal North LLC.
• Saybolt Inc.
• Shell Oil
• Sprague Energy
• State of Connecticut
• Sterling St. Terminal, LLC.
• The Walsh Group 
• Total Energy
• Triton Environmental, Inc.
• Trixie-Norton LLC.
• Walsh Construction-PCL Joint Venture II
• Wheeler Street Enterprises, LLC.
• Yale University

This Is What We Do:

- Underground Utilities

- Excavation

- Concrete

- Trench Drains

- Storm Drainage

- Retention Ponds

- Hazardous Waste Removal

- Crane Service

- Vapor Recovery Unit Build-Out

- Roll-Off Dumpster Service

- Barge Service

- Underground Tank Installation

- Pile-Driving

- Site-Clearing

- Tri-Axle Dump Truck Service

- Street Sweeping

- General Contracting

- Construction Management