- Metal-Era, Inc.
 - Manufactures commercial roof edge products, including gutter, fascia and coping systems. - Sandell Manufacturing Company, Inc.
- Developing and manufacturing flashing supplies.
- Bulders Edge, Inc.
- Manufacturers of siding accessories, ventilation products, exterior shutters, and interior decorative trim.
- Bendtek, Inc.
- Custom metal fabricator, offering flashings and edgings in both stock and custom configurations.
- Jamsill
- Offers an ABS weatherproofing sill pan with an aluminium bonded surface. Installs in a door or window rough opening.
- Colony Custom Curbs
- Design and manufacture roof curbs to specifications.
- Kozy Kollar Manufacturing, Inc.
- Manufactures roof flashing installed from inside the building over shingles.
- LMCurbs
- Manufactures speciality roof curbs, snow guards, and other accessories.
- JPL Enterprises Inc.
- Manufactures the plastic Joist Pocket Liner for use in foundations.
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