CBI Commonwealth Builders, Inc. Celebrating Over 35 Years of Building for Business  
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Carhart Interior

"Our commitment is to provide each client with the highest
standards of performance and personalized service."



The Company

Management Team

Frank Trainor

Christopher Fontaine

Addy Shea

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About CBI

Management Team


Frank TrainorFrank Trainor, CEO/Chairman

With over 40 years in the industry, Frank is experienced in all phases of construction. This knowledge and dedication to a team approach for each project sets the tone for all of CBI’s operations.  His client based approach creates dedication, quality of workmanship and most of all, a sense of pride in every associate.

As CEO/Chairman, he helps guide the direction of CBI and is responsible for all financial, banking and accounting functions along with legal and insurance requirements.

Frank’s strong commitment to community support is evident in the many organizations he donates his time to; including: Quincy Chamber of Commerce/Quincy 2000 Economic Development where he is member of the Board of Directors, the Quincy Rotary Club, Quincy Youth Hockey Arena Board and for over 20 years, A Proud Member of The Retail Contractor Association. Frank is also a member in a number of various trade related organizations. He holds a Massachusetts and City of Quincy Building License.

Additionally, Frank and his family are proud supporters of the Foundation Fighting Blindness of which he is a National Trustee.

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Christopher FontaineChristopher Fontaine, President

As President, Chris is responsible for the day to day operations of the Construction Department.  Chris offers nearly 20 years of construction industry experience.  Chris started his career with CBI in 1995 and has held positions as an estimator, project manager, and senior project manager.  He holds a Bachelor of Science in Construction Management and an Associate degree in Architectural Engineering from Wentworth Institute of Technology. 

Chris is OSHA certified and is a member of several industry related associations including the International Council of Shopping Centers; the Retail Design Institute; and the Commercial Construction and Renovation People.  Additionally Chris is a member of the Industry Professional Advisory Committee for the Wentworth Institute of Technology.

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Addy SheaAddy Shea, General Manager

Addy joined CBI in 1992 as a Project Coordinator. Over the years, she has grown into the position of General Manager. Her responsibilities include overseeing the general administrative functions of the company including business development.

She holds a BS in Special Education from Lesley University and a Graduate Certificate in HR Management from Curry College. She is a member of the Retail Design Institute, the Commercial Construction Retail People and a past member of the WBC- SS Chamber of Commerce.

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CBI COMMONWEALTH BULDING, INC.: 265 Willard Street • Quincy, MA 02169 • P: 617.770.0050 • 800.229.BUILD • F: 617.472.4734 • Email Us