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HOLLAND, Mich., December 28, 2022 — Holland Engineering Inc. (HEI), a leading national, multi-discipline engineering, survey, and environmental firm, and OMM Engineering Inc. (OMM), a regional civil and municipal engineering firm, have announced the intent to merge companies.

It all started on February 15, 1977, in an old residential building along Eighth Street, just east of downtown Holland.With only four partners and one additional employee, the Holland Engineering, Inc. team was required to wear many hats. Original services included civil engineering, land surveying, and mapmaking services.