Brierley Associates Acquires Lyman Henn to Form Major Tunnel Design Firm

Brierley Associates today announced that it has acquired Lyman Henn, a privately held company based in Denver that provides specialized geotechnical, tunneling and construction services to clients in the water/wastewater and transportation industries. Financial terms were not disclosed.

Brierley Associates provides design, analysis and management consulting services for major underground construction projects throughout the country. With the acquisition, the firm now has annual revenues of $8 million and 50 employees located in offices in seven states.

Lyman Henn will operate as a division of Brierley Associates. By combining Lyman Henn’s capabilities with Brierley’s expertise in major underground construction projects, clients across the country will have access to a broader array of tunneling/ trenchless engineering, geotechnical engineering, construction management and forensic engineering services.

“Brierley has established itself as the industry’s preeminent tunneling/trenchless engineering consulting firm, and we’re pleased to join them,” said Tracy Lyman, senior consultant at Brierley Associates and former president of Lyman Henn. “By adding the expertise of Lyman Henn, Brierley Associates is in a much stronger position to offer comprehensive engineering services to projects throughout the country, whether they are below ground or above ground.”

“I have worked with Lyman Henn’s Tracy Lyman for close to 30 years and we have the utmost respect for each other and the companies we have both built,” said Gary Brierley, founder and president of Brierley Associates. “Together, we now offer the underground and geotechnical industries tremendous depth of expertise in the form of nearly two dozen tunneling, trenchless and underground engineering professionals.”

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