Have a question about what we offer? Contact our estimating team!

Excavation

Our large fleet of excavators, dozers and site trucks can move hundreds of thousands of yards of material. With extensive use of GPS equipment, we can efficiently perform site cuts and fills, maintain schedules, and rapidly advance projects.

Site Development

Working with owners and design teams to develop new functional facilities or repurpose existing sites, we collaborate with the team to determine the quickest path to a positive return on investment. Our knowledge and ability to work with all involved stakeholders sets us apart as problem solvers.

Drainage

Using GPS machines and equipment, Xenelis accurately and efficiently installs all types of storm drainage systems from small yard drains to large underground detention systems. Whether it’s a catch basin, storm pipe, outlet structure, or water quality unit, we have the experience and technology to safely and properly install whatever your project requires. 

Water Mains

Since 1971, Xenelis Construction has been trusted by countless MDC projects and regional water authorities throughout Connecticut and Massachusetts to provide safe and efficient water systems. Our P7 licensed team has installed thousands of feet of water main, services and fire line. Let us bring water to your next project.

**Xenelis can also be available at a moment’s notice if you have a water break, we will mobilize quickly diagnose and fix any problem to get you back online.

Sanitary Sewers

As an experienced sanitary sewer installer, we have the equipment and experience to tackle the toughest sewer projects, from road connections to deep excavations. We cover all aspects of sewer instillation, including manhole instillation, building of inverts, and pressure testing upon completion. Using GPS excavation and pipe lasers, we ensure safe and proper instillation of each project we undertake.

Retaining Walls

We take pride in providing effective, secure and aesthetically pleasing earth retention systems. Combining over 50 years of field experience, engineer consulting and construction technology we work to ensure the best strategy for each site.

General Contracting

Our team of qualified professionals will help to manage your project from start to finish. As an established industry leader, we work only with the most trusted subcontractors in order to ensure your project is completed on time and meets all requirements.

Bridges & Dams

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Land Clearing

Using our large fleet of machinery, we can properly clear and prepare sites for building.

Paving

We offer a large range of paving services including:

  • Aprons
  • Driveways
  • Patching
  • Sidewalks
  • Parking Lots
  • Roads
  • Curbing

If you have questions about our offerings, please contact us.

Demolition

Our expert team of skilled machine operators work carefully and efficiently to tear down and remove structures. Our extensive fleet of excavators and dozers allow us to provide full-range demolition services. 

Flatwork Concrete

At Xenelis, we take pride in making sure our projects look good. We provide pristine and durable flatwork concrete services that will last. 

Pump Stations & 
Septic Systems 

We understand the essential role of these systems in municipal construction projects and take care to ensure they are implemented safely and in line with industry standards. Working together, our project managers, foreman, and laborers ensure quality safety and timely instillation of all wet construction projects.

Snow Removal

We know how important it is to be prepared when the big storm hits. Let us take care of keeping your driveways clear and safe. Our snow team is on the clock 24/7 to ensure your safety this season.

Design Build



  • Department of Administrative Services Construction Contractor Prequalification Program (DAS)
  • State of Connecticut Department of Transportation (CON DOT)
  • Bondable