Clayco Tops Building Design+Construction’s Giants 400 Rankings as Nation’s Largest Design-Build Construction Firm

CHICAGO – November 20, 2021 – Today Clayco was recognized as the nation’s largest design-build construction firm according to a report compiled by Building Design+Construction magazine. With $3.4 billion in design-build revenue for 2020 and a firm grip on the design-build distribution center market, Clayco ranked No. 1 among the top 100 design-build construction firms according to BD+C’s 2021 Giants 400 Report.

As part of the publication’s 2021 Giants 400 Report, which ranks U.S. building contractors by annual revenue, Clayco earned the No. 18 spot among the Top 140 Contractors for 2021 with 2020 revenues of $3.8 billion. BD+C also ranks U.S. contractors by building sector. Clayco earned the No. 1 spot among the Top 100 Industrial Facility Contractors and CM Firms; the No. 11 spot among the Top 45 Data Center Sector Contractors and CM Firms; and the No. 8 spot among the Top 95 Office Building/Core+Shell Contractors and CM Firms.

In November, Clayco was recognized by Midwest Real Estate News. In the magazine’s “2021 Best of the Best” issue, Clayco ranked No. 1 among the top 65 general contractors in the Midwest. This ranking was also determined by 2020 revenues.

In addition to these industry accolades, Clayco was recognized by Crain’s Chicago Business. In the publication’s “Chicago’s Largest Privately Held Companies” list, Clayco earned the No. 15 spot out of 397 privately held companies based on 2020 revenues.

About Clayco:
Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. Its Chicago Business Unit is responsible for enterprise activity for development, design and construction-related activities in the greater Chicago area and surrounding region while also supporting Clayco’s national platform. With $3.8 billion in revenue for 2020, Clayco specializes in the “art and science of building,” providing fast track, efficient solutions for industrial, commercial, institutional and residential related building projects. For more information visit