Our History

Michigan Arc Products, MAP, was established in 1970 by James Colosimo Sr., to provide state-of-the-art welding technology to improve the manufacturing capabilities of Automotive OEM and Tier 1 suppliers. MAP provided the automotive industry with a professional technical sales force coupled with a highly skilled engineering department designed to provide welding process and procedure development management at a competitive price.

Today, MAP, has become one of North America’s premier suppliers of all grades of welding wire, welding equipment, welding robotics and comprehensive welding solutions. With regional warehouses throughout the U.S., Canada and Mexico, MAP has the ability to provide complete turnkey supply chain management services throughout North America.

  • MAP Headquarters: Troy, Michigan - World Class R&D Lab, Technical Engineering Center, Sales & Customer Service, 50,000 sq. ft. Warehouse
  • MAP Canada: Bolton, Ontario - Sales & Customer Support Offices, R&D Lab and Warehouse – 20,000 sq. ft. facility

Celebrating 50 Years of Supplying the Automotive Industry with Comprehensive Welding Solutions

  • Direct to OEMs Ford, General Motors, Honda, FCA, Nissan, Toyota, VW
  • Tier 1 Automotive:
    • Adient
    • Katcon
    • Benteler
    • L & W
    • Bradford White
    • Lear Automotive
    • Calsonic
    • Magna
    • Constellium
    • Martinrea
    • Eberspaecher
    • Maxion Wheels
    • F & P / Ftech
    • Meritor
    • Faurecia
    • Sodecia
    • Flex N Gate
    • Tenneco
    • Iroquois Industries
    • Tower
    • JCI
    • Van Rob


  • Sales and Technical Support to all North American Automotive facilities, light & heavy industrial manufacturing, military, construction, agriculture, wind power, shipbuilding.
  • In-House engineering and technical support, authorized manufacturer repair facility.
  • Just-in-time warehouses through out North America.


  • Robot sales and integration for Motoman, ABB, Panasonic, Kuka and Fanuc.
  • Plant support for robotic and automatic welding.
  • R&D lab and technical engineering centers in Troy, Michigan and Bolton, Ontario capable of prototype welding utilizing global welding technologies.
  • Development of welding procedures for increased production and part cost reduction.


  • Most aggressive pricing in the welding industry.
  • Guaranteed process improvement by utilizing our weld engineering process team.


  • Top automotive distributor for ESAB, Infra, ITW Hobart, Miller, Panasonic, Tregaskiss, Tweco, Thermal Arc automation arc welding, CM Industries, and Thielmann torch cleaners.
  • We work directly with the manufacturers that we represent in developing and testing new wires and equipment.
  • Worldwide product availability to maintain a competitive edge and assure continuous supply.

Wire – Automation – Robot Integration – Equipment – Service