Family-owned industry leader in residential and commercial plumbing and mechanical services
11/24/2025
Hi Everyone!
As the 2025 holiday season approaches, it’s a great time to reflect, give back, and spread some holiday cheer. This year marks MacCo’s 10th Annual Toys for Tots Campaign, and we’re once again teaming up with the U.S. Marines Toys for Tots Foundation to help bring joy to local families in need.
Please join us for “An Evening with Santa” on Thursday, December 4th, from 5–8 PM at Princeton Station in Chelmsford, MA. There will be food, fun, and festive activities for everyone — plus a visit from Santa himself!
If you can’t make it, donations and toy drop-offs are being accepted at our office:
MacCo Services
17 Bridge Street, Suite 104
Billerica, MA 01821
Thank you all for your hard work and generosity. Let’s make this 10th year our best one yet!
11/14/2024
As the 2024 Holiday season is now in full swing, it is easy to forget how fortunate so many of us are. There is no better time than the present to reflect on our fortunes, give back to those in need, and inspire the younger generations to feel the spirit of giving. MacCo Services, for the 9th year is proudly teaming up with the US Marines through their Toys for Tots program in an effort to ensure no child goes without this Holiday season. Please join us at Princeton Station in Chelmsford on December 9th, for fun, food and activities with Santa, as we try to help make this Holiday season a special one for many families in need.
If you are unable to make it that night, please feel free to drop off or send a donation directly to our main office located at 17 Bridge Street, Suite 104, Billerica Ma 01821, attention to our coordinator Maria Spencer.
We here at MacCo wish you and yours a very happy and safe Holiday Season, thanks again for helping the cause.
12/12/2023
On behalf of everyone at MacCo Services, we would like to thank our family, friends, employees and vendors for making this year’s holiday toy drive a HUGE success! Due to the generous donations, we collected over 3,000 toys. Your donations will put smiles on many children’s faces this holiday season. We want to wish everyone a Merry Christmas and a Happy New Year! 🎁
12/11/2023
Join us tonight from 5-8pm at Princeton Station for MacCo Services Toys for Tots Party 🎄
12/05/2023
As the 2023 Holiday season is now in full swing, it is easy to forget how fortunate so many of us are. There is no better time than the present to reflect on our fortunes, give back to those in need, and inspire the younger generations to feel the spirit of giving. MacCo Services, for the 8th year is proudly teaming up with the US Marines through their Toys for Tots program in an effort to ensure no child goes without this Holiday season.
Please join us at Princeton Station in Chelmsford on December 11th for fun, food and activities with Santa, as we try to help make this Holiday season a special one for many families in need.
If you are unable to make it, please feel free to drop off or send a donation directly to our main office located at 17 Bridge Street, Suite 104, Billerica MA 01821 with attention to our coordinator Maria Spencer.
We here at MacCo wish you and yours a very happy and safe Holiday Season. Thank you for helping the cause.
11/30/2022
Don’t forget to join us at our Open House/ Career Fair this Saturday, December 3rd from 12-4pm at 237 Londonderry Turnpike, Suite 17/18 in Hooksett, NH!
Come check out our new office and meet the team! We will be connecting with applicants, discussing job opportunities, answering questions and more. Bring a copy of your resume or apply on site!
11/23/2022
MacCormack Plumbing, Inc. will be hosting our first ever Open House/ Career Fair on Saturday, December 3rd from 12pm-4pm. Join us at our office in Hooksett, NH to tour our new space, meet our team and learn how you can build a lifelong career with an industry leader in the new construction market. Bring a copy of your resume or apply on site. All are welcome!
11/17/2022
As the 2022 Holiday season is now in full swing, it is easy to forget how fortunate so many of us are. There is no better time than the present to reflect on our fortunes, give back to those in need, and inspire the younger generations to feel the spirit of giving. MacCo Services, for the 7th year is proudly teaming up with the US Marines through their Toys for Tots program in an effort to ensure no child goes without this Holiday season.
Please join us at Princeton Station in Chelmsford on December 6th for fun, food and activities with Santa, as we try to help make this Holiday season a special one for many families in need.
If you are unable to make it, please feel free to drop off or send a donation directly to our main office located at 17 Bridge Street, Suite 104, Billerica MA 01821 with attention to our coordinator Maria Spencer.
We here at MacCo wish you and yours a very happy and safe Holiday Season. Thank you for helping the cause.
11/09/2022
MacCo Services is proud to officially announce the grand opening of our brand-new office and warehouse location in Hooksett, New Hampshire!
-Now Hiring-
We are searching for experienced candidates to join our team as we continue to expand:
• Plumbers
• Sheet Metal Workers
• HVAC Technicians
Stay tuned to learn about our upcoming Open House / Job Fair – details to come!
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MacCormack Plumbing, Inc. was founded in 1979 by Robert MacCormack, Sr. The Company was established with a Truck, a Tool Box and a Vision. For years, virtually every aspect of the company was handled by either Bob or his wife, Marie. MacCo’s reputation became synonymous with Customer Service.
In the mid 1980’s, Bob’s brother Doug began working for the company. Together they would team up and collaborate on many challenging endeavors over the next few decades. After dedicating himself to the company and pleasing many long-term clients, Doug retired from MacCo in 2012.
During the 1990’s, Bob was able to secure various Multi-Unit renovation and service contracts. Bob remained at the forefront of the company while continuing to focus on providing superb service to our growing list of repeat customers. Due to successful efforts and strategic planning, MacCo continued to expand in both personnel and client satisfaction.
Breaking into the 21st Century, Bob’s vision of growing his family business was quickly becoming a reality. His two sons, Bob, Jr. and Stephen, began getting more formally involved in the mechanical trade. After graduating from Curry College with a Business Management degree, Stephen began working full-time for the company. Bob Jr. launched Avid Engineers, a full-service MEP/FP Consulting Engineering firm in 2005. Avid instantly became a valued resource to MacCo and remains a close affiliate to this day.
After years of flying under the radar, MacCo continued to thrive through its Renovation and Service backgrounds. With their many loyal customers, MacCo’s opportunities began to broaden. MacCo quickly became known as an industry leader in the New Construction market in both Multi-Unit Residential and Commercial Plumbing and Mechanical services.
In 2013, after dedicating himself for nearly 40 years to MacCo, Bob began concentrating his efforts on other ventures. He is now spending more of his time on his Golf Courses and Development Company, Keystone Builders; which focuses on new residential and commercial properties. While reaping the benefits of his hard work and success he has been afforded the opportunity to spend more time at his homes on Lake Winnipesaukee and in Florida with his children and grandchildren.
Bob can rest assured knowing that the legacy he envisioned and created will continue and is in safe hands.
