- A1 Grit – Sand and Rock
- American Standard Coatings
- AMICO Building Products – Metal Lath & Vinyl Bead
- APOC
- Atlas Roofing
- Carlisle Coatings & Waterproofing
- Chem Link Roofing Products
- Custom Building Products
- DAP
- Dow
- DuPont
- E-Z Mix Products – Concrete, Mortar, & Stucco
- Firestone Building Products
- FlashCo
- Fomo Products
- Fontana Paper
- Fortifiber
- GAF