The top ten in Building Design + Construction’s recently published list of the 100 best K-12 school contractors and construction management firms are all ABC members. These successful contractors were ranked based on 2021 revenue.  

1. Gilbane Building Co.

2. Core Construction Group

3. Skanska USA

4. Balfour Beatty US

5. Adolfson & Peterson Construction

6. Joeris General Contractors

7. McCarthy Holdings Inc.

8. JE Dunn Construction Co.

9. Nabholz Construction

10. McCownGordon Construction

View the full list in Build Design + Construction’s 2022 Giants 400 Report. View ABC's 2022 Top Performers  to find contractors ranked by work hours in health care, infrastructure, mixed use and other commercial and industrial markets, or visit FindContractors.com to search for members by location STEP level, special designations and more.