SEH & Yaggy Colby To Merge

St. Paul, Minnesota (February 19, 2014) – The engineering/architecture companies Short Elliott Hendrickson Inc. (SEH®) and Yaggy Colby Associates (Yaggy) have announced their intent to merge.

The merger will provide the firms’ public and private clients access to more resources and technical capabilities. While each company has individual areas of technical expertise, the merger will increase the geographic reach and breadth of services to both companies’ clients.

SEH CEO/President Sam Claassen, PE and Yaggy CEO/President Bob Ellis share in their excitement to merge the companies:

“Early in the due diligence process, we recognized the value in serving additional geographies and bringing additional areas of technical expertise to our clients,” said Claassen. “Much like SEH, Yaggy’s work is well-known, well respected and award-winning. We look forward to leveraging the talents of both companies for the benefit of our clients, our employees and ultimately for the world around us.”

“The day we merge with SEH, we will have immediate opportunities to bring additional technical capabilities to benefit our clients,” Ellis said. “The merger will also provide more opportunities for our employees who represent our greatest assets and serve as the foundation of our company.”

The pending merger is conditional based on final transactions associated with a merger. The merger is expected to be complete by June 1, 2014. Founded in 1927, SEH serves government, industrial, and commercial clients in the buildings, infrastructure, environmental, energy, transportation and water markets, and provides aviation-related planning and engineering services for general aviation and commercial airports. SEH is headquartered in St. Paul, Minnesota, with offices in seven states: Minnesota, Colorado, Indiana, North Dakota, South Dakota, Wisconsin and Wyoming (

Founded in 1970, Yaggy Colby Associates provides engineering, surveying, landscape architecture and planning services that meet the needs of public and private sector clients throughout the upper Midwest. The company has offices in Rochester, Minnesota; Mason City, Iowa; and Delafield, Wisconsin (

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