1. ReferenceIndustry Directory

   Union Corrugating Company

   Union Corrugating has manufactured metal roofing and wall panels since 1946, serving residential, commercial and agricultural markets. It was acquired by Cornerstone Building Brands in December 2021.

2. ReferenceIndustry Directory

   ATAS International, Inc.

   ATAS International is a family-owned manufacturer of metal panels for the building envelope, founded in 1963 as Aluminum Trim And Shapes and relocated to Allentown, Pennsylvania in 1985. Product…

3. ReferenceIndustry Directory

   Drexel Metals

   Founded in 1985, Drexel Metals supplies architectural standing seam metal roof and wall systems, painted coil and sheet, and roll-forming equipment. It is part of Carlisle Construction Materials.

4. ReferenceIndustry Directory

   Duro-Last

   Duro-Last custom-fabricates PVC single-ply roofing membranes and accessories for commercial low-slope roofs, from Saginaw, Michigan. It was acquired by Holcim in 2023 and is now part of Amrize.

5. ReferenceIndustry Directory

   Mule-Hide Products Co., Inc.

   Mule-Hide Products markets low-slope roofing systems and accessories to contractors, founded in Chicago in 1906. It is part of ABC Supply.

6. ReferenceIndustry Directory

   Petersen / PAC-CLAD

   Petersen manufactures architectural metal roof and wall panels, flat sheet and coil, and perimeter edge systems under the PAC-CLAD brand. Its primary facility is in Elk Grove Village, Illinois.

7. ReferenceIndustry Directory

   Tremco Roofing & Building Maintenance

   Tremco Roofing & Building Maintenance supplies commercial roofing and building envelope systems plus restoration and general contracting services, from Beachwood, Ohio. It is an RPM International…