| Business | Phone |
| Aluminex 2000 8600 Keele St #14, Concord L4K 4H8 | (905) 660-7095 |
| Alwind Industries Ltd 41 Citation Dr, Concord L4K 2Y8 | (905) 738-4266 |
| Lexa Windows Inc 8201 Keele St #12, Concord L4K 1Z4 | (905) 761-5392 |
| Grace Windows & Doors 8131 Keele St, Concord L4K 1Z2 | (905) 660-0271 |
| Home Decor Window & Door Ctr 146 Citation Dr #1, Concord L4K 2S8 | (905) 760-8350 |
| Dynasty Windows 2000 70 Snidercroft Rd #P, Concord L4K 2K3 | (416) 661-3600 |
| Mega Gear Windows & Doors 84 Drumlin Cir #1, Concord L4K 3E9 | (905) 761-1128 |
| Monarch Bending Inc 59 Romina Dr #102, Concord L4K 4Z9 | (905) 761-1967 |
| Nasa Windows Ltd 84 Drumlin Cir, Concord L4K 3E9 | (905) 738-8893 |
| Preferred Engineering Products 350 Creditstone Rd, Concord L4K 3Z2 | (905) 761-1214 |
| Primeline Windows Inc 89 Courtland Ave #1, Concord L4K 3T4 | (905) 738-4898 |
| Baldford Canada Inc 65 Bowes Rd, Concord L4K 1H5 | (905) 738-8808 |
| Sunrise Window & Door Systems 350 Creditstone Rd, Concord L4K 3Z2 | (905) 669-5415 |
| Toro Aluminum 205 Adesso Dr, Concord L4K 3C4 | (416) 665-7864 |
| United Window & Door 8550 Keele St, Concord L4K 2N2 | (416) 798-7166 |
| United Window Mfrs Ltd 8550 Keele St, Concord L4K 2N2 | (905) 738-0066 |
| Window-Seal Aluminum Co Ltd 520 Millway Ave, Concord L4K 3V5 | (905) 660-6497 |
| Windspec Inc 1310 Creditstone Rd, Concord L4K 5T7 | (905) 738-8311 |
| Brown Window Corp 185 Snow Blvd, Concord L4K 4N9 | (905) 738-6045 |
| Columbia High Rise Windows Inc 132 Jardin Dr #8, Concord L4K 1X9 | (905) 738-1553 |
| Concord Window Store 8461 Keele St, Concord L4K 1Z6 | (905) 669-8248 |
| Decora Window & Door Systems 89 Connie Cres #A, Concord L4K 1L3 | (905) 660-9212 |
| Delor Windows 665 Millway Ave #22, Concord L4K 3T8 | (905) 660-7586 |
| Door & Window Ctr 200 Edgeley Blvd #17, Concord L4K 3Y8 | (416) 736-1543 |
| F M Windows & Doors 895 Edgeley Blvd, Concord L4K 4V9 | (905) 738-1870 |
| Fran Car Aluminum 128 Adesso Dr, Concord L4K 3C3 | (905) 760-9984 |