E. M. Duggan, Inc.

Other recognitions for E. M. Duggan, Inc.:

America's Most Honored Businesses 2018 - Top 1%

600 Top Specialty Contractors

America's Most Honored Businesses 2017 - Top 1%

600 Top Specialty Contractors

America's Most Honored Businesses 2016 - Top 1%

The Largest Mechanical Contractors In Massachusetts

25 Largest Family-Owned Businesses In Massachusetts

2015 Best Places To Work

The Fastest-Growing Private Companies In Massachusetts

Largest Mechanical Contractors In Massachusetts

Best Places To Work

Top 100 Contractors

Largest Family-Owned Business In Massachusetts

Area's Largest Family-Owned Businesses

Area's Largest Mechanical Contractors

Area's Largest Private Cos.

100 Pipe Trades Giants

Area's 100 Largest Private Companies