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Bolton & Menk, Inc. Engineers-Civil, Environmental, Mechanical & Consulting

2040 Highway 12 East
Willmar, MN 56201
(320) 231-3956 | Fax: (320) 231-9710
Click to Learn More
8:00am - 5:00pm Monday - Friday

who to contact

Brad DeWolf · Principal/Engineer · Phone:(320) 231-3956  · Fax(320) 231-9710 · Send an Email
Chuck DeWolf · Associate Engineer · Phone:(320) 231-3956  · Fax(320) 231-9710 · Send an Email

about us

Bolton & Menk, Inc., ranked in the Top 500 Engineering Firms by Engineering News Record (ENR), provides services in the areas of civil and municipal, water and wastewater, water resources, traffic and transportation, cultural resource and energy sector engineering. The firm also provides environmental review, land surveying and GIS & mapping services. Our staff of nearly 250 professionals and technicians is available to assist clients in meeting the ever-increasing demand for quality engineering and surveying services. The firm operates offices in Mankato, Fairmont, Sleepy Eye, Burnsville, Willmar, Chaska, Ramsey, Maplewood and Brainerd, Minnesota and Ames, Iowa.