| Business | Phone |
| Allied Plastic Group Of Canada 707 Arrow Rd, North York M9M 2L4 | (416) 749-7070 |
| Aluplex Skylights Inc 34 Martin Ross Ave, North York M3J 2K8 | (416) 665-4482 |
| Architectural Plastics Ltd 707 Arrow Rd, North York M9M 2L4 | (416) 748-3000 |
| Bright Skylights 4351 Steeles Ave W, North York M3N 1V7 | (416) 410-8635 |