O'Connor Corporation

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United States
Canton, MA
O'Connor Corporation

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Experts in executing complex mechanical maintenance and installation projects across the US.

We continue to meet the evolving needs within our industry by employing the most qualified and dedicated project managers, professional millwrights, and boilermakers. Our highly trained team continuously strives to meet or exceed our customers’ expectations. The O'Connor Corporation services the following industries: Power Generation Maintenance and Construction, Water and Wastewater, Moveable Bridges, Material Handling, Pulp & Paper, and Precision Mechanical Alignments.

10/22/2026

This past August, O’Connor Corporation brought together our Millwright and Boilermaker leadership teams for a three-day conference focused on professional development, leadership, communication, and team building.

Our continued success is a direct reflection of the dedication, experience, and leadership of our supervisors, foremen, and key craft personnel.

We are proud of the talented individuals who represent O’Connor every day and appreciate their continued commitment to our company, our customers, and one another.

10/14/2026

Industries We Serve: 𝘗𝘰𝘸𝘦𝘳 𝘎𝘦𝘯𝘦𝘳𝘢𝘵𝘪𝘰𝘯

From planned maintenance to specialized mechanical services, O'Connor Corporation provides experienced crews to support the demanding needs of power generation facilities.

With skilled millwrights and boilermakers, we're proud to play a role in maintaining the critical infrastructure that keeps our communities powered.

10/10/2026

Outage season is underway!

As O’Connor crews get to work across the region, we’re taking a look back at some of the projects we’ve been proud to support during past outage seasons.

From planned maintenance to specialized project support, our experienced crews understand the importance of completing critical work safely, efficiently, and on schedule.

10/02/2026

This week, we’re highlighting O’Connor Corporation’s Wind Turbine Division.

These photos are from a recent local site visit, where Rob Desharnais and Elias Rodriguez provided hands-on troubleshooting support for a wind turbine.

We’d also like to recognize Project Manager Jeff Berry, John Winfield, Kody Halikas, and many others for their continued support, expertise, and contributions to the team.

We’re proud of the experience, teamwork, and specialized skills our wind team brings to our clients every day!

09/24/2026

When a long-term project for one of our valued clients required ongoing machining support, the O’Connor team responded by establishing a fully functional onsite machine shop.

With several highly skilled millwright machinists on our team, we can machine and modify parts as needed, helping keep this fast-moving project on schedule.

Another great example of O’Connor’s skilled people providing practical solutions to meet our clients’ needs!

09/14/2026

O’Connor Corporation is proud to congratulate two of our millwrights on their outstanding performance at the recent North Atlantic States Regional Council of Carpenters Millwright Olympics!

Bryan Doyle, a third-year apprentice, took 1st place overall, winning the entire millwright competition, while John Watt, a recent fourth-year apprentice graduate, earned an impressive 3rd-place finish.

These accomplishments reflect the hard work, dedication, and skill that Bryan and John have put into developing their craft. They also demonstrate the value of the combined learning experience provided through the UBC Millwrights Apprenticeship Program, along with the hands-on experience and strong mentorship provided by the experienced millwrights here at O’Connor.

We are extremely proud of Bryan and John for representing O’Connor so well and thank everyone involved in their training, mentoring, and development. Congratulations to both of you on a tremendous accomplishment!

09/07/2026

This Labor Day, we celebrate the people behind the work. Thank you to the O'Connor Corporation, O'Connor Safety Corporation, and Beacon Piping Company crews for the skill, dedication, and hard work you bring to every project!

06/19/2026

Today, we honor Juneteenth, a day that commemorates freedom and the end of slavery in the United States.

As we reflect on our nation’s history, we recognize the strength, resilience, and contributions of Black Americans who have helped shape and build the communities we serve.

12/14/2025

Happy Hanukkah from the O’Connor Companies. Wishing you a warm and joyful holiday season! ✨

11/11/2025

The O’Connor Companies proudly honors all who have served and continue to serve our nation. Happy Veterans Day! 🇺🇸

Address

45 Industrial Drive
Canton, MA
02021

Telephone

+16173649000

Website

https://www.oconnor-companies.com/

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