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Awards Our awards and recognitions are something to be proud of

 

Associated Builders and Contractors - National Safety Merit Award

Associated Builders and Contractors - Merit Award, AVA Northpoint

Associated Builders and Contractors - Merit Award, Meriel Marina Bay

Associated Builders and Contractors - Eagle Award, Montaje

Associated Builders and Contractors - Eagle Award, Alnoba

Associated Builders and Contractors - Green Award, Alnoba

Associated Builders and Contractors - Safety Excellence Award, Alnoba

Associated Builders and Contractors - Eagle Award, Squirrelwood

Associated Builders and Contractors - S.T.E.P Gold Award, 2008-2019

Associated Builders and Contractors - S.T.E.P Platinum Award, 2020

Associated Builders and Contractors - S.T.E.P Platinum Award, 2023

Multifamily Executive (MFE)
Community Service Award, 2017

Multifamily Executive (MFE)
Mixed-use Development of the Year
J Malden Center, 2021

Boston Business Journal - THE LIST
Largest General Contractor 2023: #6,

Largest Family Owned Business 2023: #9,

Largest Private Company 2023: #32

Boston Business Journal - Best Places to Work
2022

Engineering News-Record (ENR)
Top 400 Contractors 2023: #199

The Boston Globe - Top Places to Work
2018, 2021, 2023

National Safety Council Awards - 2020
Occupational Excellence Achievement
Million Work Hour
Callahan Site Division Perfect Record
Significant Improvement

Leo Corcoran Humanitarian Award for Excellence in Community Service

2022

Let's build something together

Callahan is committed to building strong, long-lasting client relationships, and to consistently delivering solutions that exceed expectations. Contact us today about starting your next project.