DECI Ltd Opened New Chicago Office

The Irish engineering firm expanded into Chicago to support its growing presence in U.S. data center projects.

Updated on Sept. 20, 2026 in Data Centers

Structural steel framework of a commercial building under construction with a reflective glass curtain wall against a clear sky. — DECI Ltd has opened a new office in Chicago to manage its growing portfolio of data center engineering projects across the United States. AI Illustration. Upload story photo >

Live Poll

Do you believe domestic companies expanding their operations abroad ultimately benefits the national economy?

Engineering company DECI Ltd has established a new office in Chicago to support its engineering and project teams. This expansion follows the firm's increasing involvement in large-scale data center construction across the United States.

Why it matters

The firm is ramping up its American operations to better serve its international portfolio of data center developments. This move strengthens its ability to perform independent building system verification within the U.S. market.

DECI Ltd provides specialized independent testing and verification services for building systems. The firm currently manages ongoing projects across more than 20 countries.

The players

DECI Ltd

An Irish engineering firm headquartered in Limerick that specializes in independent building system testing and verification.

The details

The Chicago facility will serve as a hub for the engineers and project teams working on U.S.-based infrastructure. DECI Ltd has operated internationally since its founding in 1994, with existing operations in Ireland, Britain, Germany, Denmark, Switzerland, India, and Saudi Arabia.

DECI was founded in 1994.

Quantum Computing
Sept. 22
Chicago Will Host Future Quantum Computing Park
Construction
Sept. 22
Chicago Committee Approved Foundry Park Subsidy
Commercial
Sept. 24
Codal Leased New Office at 200 South Wacker

The Tech Race

The firm's expansion follows the broader industry trend of scaling technical support services to meet the surge in North American data center construction. This shift positions the company to compete for roles in complex, large-scale infrastructure projects that define modern cloud architecture.

The creation of 250 jobs offers new employment opportunities for local engineering and project management professionals in the Chicago area. The expanded local presence may also accelerate the timelines for regional construction projects by providing onsite verification expertise.

The takeaway

The move underscores the growing demand for specialized building system verification in the mission-critical infrastructure market. As data center complexity rises, firms that provide independent testing and oversight are becoming essential partners for large-scale developers.