We deliver comprehensive mechanical services for complex mechanical installation and maintenance projects for industrial clients across the United States.

We deliver safe and superior services for planning, pricing, and execution of complex mechanical equipment installations, plant equipment upgrades, and maintenance services.

We excel when it comes to meeting mission-critical schedules.

We provide exceptional services for:

  • Power Generation Construction & Maintenance
  • Water & Wastewater
  • Pulp & Paper
  • Movable Bridges
  • Material Handling Equipment
  • Precision Mechanical Alignments
  • Boiler Installations & Repairs
  • Mechanical Piping Systems
  • Rigging
  • Rotating Equipment
  • Industrial Manufacturing Equipment

Supplying Quality Resources to the Industries We Serve

We have consistently worked more boilermaker hours than all other firms in New England, combined! We also are the #1 non-OEM employer of millwrights in the Northeast / Mid-Atlantic area.

These accomplishments are earned by meeting or exceeding the expectations of our clients in safety, schedule, and quality. We monitor the changes and advancements in the industries we serve, so that we can provide the latest training, tooling, procedures, and equipment necessary to cost effectively serve our clients.

O’Connor consistently incorporates lessons learned and provides the latest training and most effective tooling to ensure the success of our crews.

Power Generation

We are interested in hearing about your project. Let’s start the conversation!

Contact Us Now!