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 - S.T.E.P Gold Award, 2008-2019

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

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
Top General Contractor, Top Family Owned Business

Engineering News-Record (ENR)
Top 400 Contractors

The Boston Globe - Top Places to Work
2018, 2021

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

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.