- Alliance America
- Best Rite Chalkboard Co
- Best Rite Chalkboard Co
- Bray & Bray
- Chalk Talk
- Educational Equipment Co
- Fl Chalkboard Co
- Ghent Manufacturing Inc
- New York Blackboard Of Nj Inc
- Poly Vision Corp
- Polyvisions
- R Hennig Sales
- Richard M Clark Co
- Shop Inc
- Tri-State Supply Co Inc
- United Blackboard & Specialty
- Walker Products Inc