Eight of the nation's top 25 construction companies are ABC members, according to Engineering News-Record’s (ENR) recently published annual list of Top 600 Specialty Contractors. These successful contractors were ranked based on 2017 revenue.

1. EMCOR Group, Inc. (#2)
2. Mastec, Inc. (#3)
3. The Brock Group (#8)
4. Comfort Systems USA (#9)
5. MMR Group Inc. (#19)
6. M.C. Dean Inc. (#20)
7. Centimark Corp. (#22)
8. Steelfab Inc. (#25)

According to ENR, “After eight years of growth, the market still is thriving. Further, most specialty contractors believe it will continue to improve through the end of 2018 and have backlogs to prove it.”