Atwell to buy Dempsey Surveying Co.

SOUTHFIELD—The Southfield engineering services provider Atwell LLC announced an agreement to acquire Dempsey Surveying Co., a land surveying firm based in Cleveland, Ohio.

The acquisition, the third announced by Atwell in the fourth quarter of 2022, will expand the company’s presence in Ohio and surveying capabilities in the Midwest. Terms of the transaction were not disclosed.

Dempsey Surveying services include topographic surveys, construction staking, boundary services, Federal Emergency Management Agency flood elevation certificates, surface modeling, Global Positioning System services, aerial mapping, and drone services.

“We’re pleased to combine the knowledge, technical capabilities, and experience of these two successful companies,” said William W. Anderson, senior vice president of Atwell. “Our shared priorities of providing proactive solutions and excellent client service will strengthen our ability to deliver quality projects that achieve our clients’ goals.”

Dempsey Surveying has a wide range of clients across several markets including industrial, commercial, public utilities, and more. The company maintains more than 50 years of survey records.

“We’re excited to join the team at Atwell and look forward to being able to expand the services we offer to our existing and future clients,” said Christopher Dempsey, Dempsey Surveying CEO. “This acquisition provides new opportunities for both our clients and team members.”

Since 1985, Christopher Dempsey has been providing surveying services throughout Ohio as a second-generation surveyor. He started Dempsey Surveying in 2002 with the sole focus on surveying and providing exceptional service.

This is Atwell’s third acquisition this quarter. Last month, Atwell financed the acquisition of Cross Surveying, a 28-person land surveying firm based in Florida, and acquired Ben Dyer Associates, a 55-person engineering firm based in Maryland.

Atwell is a national consulting, engineering, and construction services firm with more than 1,400 technical professionals located across the country. It serves the real estate and land development, power and energy, and oil and gas industries with land and right-of-way support, planning, landscape architecture, engineering, land surveying, environmental compliance and permitting, and project and program management. More at

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