McChesney, Martin and Sagehorn is a certified public accounting firm in Lexington offering tax, accounting and bookkeeping services.

Powersports dealer on Magnum Circle in Lincoln.

McCook Abstract Company is a title and abstract company holding a Nebraska abstracter's certificate of authority for Red Willow County.

The McCook Aquatic Park at 500 E. M St., McCook, opened in July 2024.

McCook Ben Nelson Regional Airport is about 2 miles east of downtown McCook.

Church of Christ congregation in McCook, Nebraska

McCook Community College is a McCook campus of Mid-Plains Community College.

McCook Economic Development Corporation is the economic development organization for McCook, working to attract, start and grow businesses and jobs.

McCook Fire Department is at 505 West C Street, and the city holds an ISO fire protection class of 3.

McCook's dial-a-ride bus, two dollars a one-way trip, open to anyone regardless of age.