About Company

McCullough & Sons, Inc. is a family-owned and operated company with over 90 years of experience, incorporated in 1935. The company provides a wide range of licensed professional services including pumps, tanks, drilling, re-drilling, well inspections, well chlorination, well abandonments, and geothermal drilling. Serving both residential and commercial clients, McCullough & Sons operates in Eastern Minnesota and Western Wisconsin, partnering with companies like Grundfos and Franklin Electric to offer advanced pump systems and expertise. The company is committed to delivering professional and expert services across multiple service areas in Minnesota and Wisconsin.

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