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

Along the way, we’ve completely redesigned the way a building 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 and construction process that fast-tracks our clients’ most riskiest, complex and iconic projects.

It’s the intersection of creativity, design, 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.

Tom Sieckhaus

Executive Vice President, Corporate Business Unit Leader


Ryan McGuire

Vice President, Corporate Business Unit Leader, Chicago


Mary Kay
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...
Creve Coeur Corporate Center
Creve Coeur, Missouri
In keeping with the architectural theme of the campus, the building is constructed of a gray glass and metal panel...
Highlands at Forest Park
St. Louis, Missouri
The building includes fiber optics infrastructure and enhanced mechanical systems and is served by a connected parking deck. — Clayco constructed the...
Magellan Health Services
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...
825 Maryville
Town & Country, Missouri
Constructed of brick with stone accents, exterior curtainwall and strip windows, the facility includes various elements of fenestration and extensive...
NCSA Petascale Computing Facility at the University of Illinois at Urbana-Champaign
Champaign, Illinois
This state-of-the-art computing facility provides a secure and efficient operating environment for the fastest computer in the world, known as...
Centene Plaza Parking Garage
Clayton, Missouri
This garage is a true representation of a composite retail and open air garage design — This design-build twelve-story precast parking garage...
CitiMortgage Data Center
O'Fallon, Missouri
The building consolidated Citigroup’s St. Louis area-based CitiMortgage operations into one location. — Clayco and Forum Studio provided design-build services for CitiMortgage’s...
Liam Gillick Canopy at Centene Plaza
Clayton, Missouri
As sunlight shines down on the glass overhang between the building and the parking garage, the space beneath explodes in...
American Axle
Detroit, Michigan
Housing approximately 500 employees, the new headquarters allowed AAM to consolidate many of its corporate departments into one location. — Clayco teamed...