Clayco has helped our clients turn their goals into groundbreaking projects for a variety of commercial building types.

Along the way, we’ve completely redesigned the way a construction company brings value to clients. Our integrated, full-services approach enables us to provide real estate services—from financing to leasing—and a truly collaborative design-build process that fast-tracks our clients’ most riskiest, complex and iconic projects.

It’s the intersection of creativity, design and execution with an eye on the practical considerations of timing and budgets. When this is all owned by a single, integrated team that operates without functional silos, the results are projects that fully meet the dreams, desires and expectations of clients.

Get In touch

Tom Sieckhaus

Executive Vice President & Shareholder
Corporate Business Unit Leader

+1 314-592-2221

Ryan McGuire

Executive Vice President & Shareholder,
Corporate Business Unit Leader, Chicago

+1 312-239-1293

Macy’s Flagship
Chicago, Illinois
Brookfield Properties is re-imagining and renovating one of Chicago’s most iconic buildings, the historic Marshall Field’s department store and current...
Financial Services Client
Sioux Falls, South Dakota
This new facility features state-of-the art technology and incorporates the goals of the client’s environmental sustainability strategy. — Clayco was the design-builder...
Magellan Health Services Data Center
Maryland Heights, Missouri
As part of its expansion, Magellan opened a 30,000-square-foot technical data center. — Clayco completed construction on a 238,000-square-foot campus for Magellan...
Mary Kay Data Center
Hoffman Estates, Illinois
The facility includes a 10,000-square-foot data center. — Clayco completed this warehouse and distribution center for Mary Kay Inc., one of the...
Confidential Client – Data Center
square-feet on its building's 4th floor. The center’s power and cooling are the equivalent of a tier 3 data center...
BJC HealthCare Primary Data Center
O'Fallon, Missouri
The data center houses 1,850 servers, 71 miles of copper cabling, 10.5 miles of fiber cabling and 345 databases. The...
U.S. Cellular Corporation
Schaumburg, Illinois
U.S. Cellular wanted to up-grade their Chicago regional Data Center to modernize hardware and increase data capacity for a growing...
OG&E Metro Hardening
Oklahoma City, Oklahoma
This project was an addition to OG&E’s existing mission critical facility. The project increased infrastructure and enhanced the physical structure...
OG&E Operating Center
Oklahoma City, Oklahoma
This critical data center was built to withstand a EF-5 tornado. — New critical data center for Oklahoma Gas & Electric. Building...
Express Scripts Office and Data Center – Mission Critical
St. Louis, Missouri
This project created a new data center in Express Scripts’ new 4-story office building. The project required detailed collaboration with...