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The Johnson Companies began doing business in 1918 as J. K. Johnson Company. Over the century, J. K. Johnson Company’s activities eventually expanded to the point that three companies were formed: they are Johnson Contractors, Inc., J. K. Johnson Mechanical Contractors, Inc., and Johnson Electric Company, Inc. These three companies make up the Johnson Companies but are separate and independent companies that provide our customers with the option of a general contracting company, a mechanical contractor, and/or an electrical contractor.

Located in Muscle Shoals, Alabama, the Johnson Companies serve the entire Southeast.

The Johnson Companies own, operate, and maintain millions of dollars of construction and fabrication equipment, as well as a support network of warehouses and shops.

Customers include Marriott Hotels, University of North Alabama, Wise Alloys, Reynolds Metals, Saturn, NASA, GE, GM, 3M, Department of Defense and Tennessee Valley Authority, among others.

Johnson Contractors, Inc.

Specializes in industrial plant construction and maintenance, commercial projects, schools, municipalities and sewage/water treatment facilities. »More...


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J. K. Johnson Mechanical Contractors, Inc.

Specializes in all aspects of industrial and commercial projects, including process piping, mechanical equipment, industrial metalwork, plumbing, and HVAC. »More...

Johnson Electrical Contractors, Inc.

Specializes in industrial and commercial electrical construction projects including bus duct, high voltage, instrumentation and controls, security systems and related areas. »More...