Ohm Excavating is a highly trusted Excavating Contractor in the lakes area of Audubon, MN. Our founder Grant Ohm began doing general excavating for homeowners in 1971, and continued to expand the business services to install septic systems, footings for basements & crawl spaces, lot clearing, water line trenching, and demolition work. Grant has passed on his work ethic and expertise to his son David, who has joined the business for 25 years. David has continued to advance Ohm Excavating by adding Septic System Inspections as a service to the residents and businesses in the lakes area. We take great pride in our reputation for honesty and trustworthiness, and have the equipment & personnel to complete your project on time and on budget.