WSB has acquired Civil Infrastructure Associates, expanding the design and consulting firm’s municipal, environmental, water and surveying capabilities in the Nashville metropolitan area.
Founded in 2009 by Linda Sullivan, Civil Infrastructure Associates specializes in water and wastewater utilities, civil and site design, aviation infrastructure, surveying, GIS and infrastructure funding assistance.
The acquisition strengthens WSB’s presence in the Southeast and adds complementary infrastructure engineering capabilities.
WSB now operates more than 50 offices and employs approximately 1,800 people nationwide, serving government, commercial and infrastructure customers.
The companies plan to integrate their services and develop a coordinated go-to-market strategy during 2026.
WSB is a portfolio company of middle-market private equity firm GHK Capital Partners.
KEY QUOTES:
“The acquisition of CIA represents a strategic investment in the continued growth of WSB’s municipal, environmental and surveying capabilities. CIA is widely respected for its technical excellence, responsive client service, and community-centered approach to engineering. Their expertise complements our existing services and strengthens our ability to deliver integrated infrastructure solutions for our clients. Just as important, our two firms share a common set of values, collaboration, integrity, and a commitment to making a positive impact on the communities we serve.”
Bret Weiss, President And CEO Of WSB
“Joining WSB marks an exciting next chapter for CIA. From the beginning, CIA has believed that quality engineering, guided by strong human values, can make a meaningful difference in people’s lives. Partnering with WSB allows us to build on that foundation while offering our clients access to broader resources and integrated expertise. For our staff, this partnership creates new opportunities for growth, collaboration, and long-term career development within a like-minded organization.”
Linda Sullivan, President Of Civil Infrastructure Associates
