LeJeune has been in the structural steel fabrication and steel detailing business since 1944. We have grown to become the largest structural steel fabricator in the upper mid-west. LeJeune fabricates approximately 40,000 tons per year. We have steel fabrication shops in both Minnesota and Wisconsin. LeJeune is a division of APi Group, Inc. API is a multinational corporation providing services in five areas: Construction, Fire Protection, Special Systems, Steel Fabrication and Building Materials Distribution.