| Business | Phone |
| Asm Industries 2624 54 Ave Se #1, Calgary T2C 1R5 | (403) 279-1983 |
| Aym Installations Ltd 3208 8 Ave Ne #511, Calgary T2A 7V8 | (403) 207-0087 |
| B J Custom Metal 3614 3 St Ne #4, Calgary T2E 2W9 | (403) 207-9563 |
| Grace Sheet Metal Ltd 2511 Panorama Hts Nw, Calgary T3P 1B1 | (403) 295-8197 |
| K M Ventilation Ltd 2652 14 Ave Sw, Calgary T3C 3R5 | (403) 240-3292 |
| Keller Industries Ltd 4045 74 Ave Se #7, Calgary T2C 2H9 | (403) 279-1914 |
| L & S Handcraft Industries Ltd 5472 54 Ave Se, Calgary T2C 3A5 | (403) 253-0770 |
| M & R Sheet Metal 317 37 Ave Ne #1, Calgary T2E 6P6 | (403) 230-1200 |
| Mcs Ind Contractors Inc 5111 Hubalta Rd Se, Calgary T2B 1T5 | (403) 207-8883 |
| Mountain Air Systems 1248 40 Ave Nw, Calgary T2K 0G4 | (403) 813-0303 |
| Regal Sheet Metal Ltd 3601 15 St Se, Calgary T2G 3M6 | (403) 265-5902 |
| Reggin Industries Ltd 7023 5 St Se, Calgary T2H 2E4 | (403) 255-8141 |
| Sabre Sheet Metal Ltd 4429 6 St Ne #4, Calgary T2E 3Z6 | (403) 520-2020 |
| Scott Springfield Mfg 2234 Portland St Se, Calgary T2G 4M6 | (403) 236-1212 |
| Sheet Metal Works 7740 18 St Se, Calgary T2C 2N5 | (403) 279-0082 |
| Square Deal Sheet Metal & Food 4131 Edmonton Trail Ne, Calgary T2E 3V5 | (403) 230-2230 |
| Tony's Sheet Metal Ltd 3700 19 St Ne #5, Calgary T2E 6V2 | (403) 230-9348 |
| West Air Technical Svc 1238 45 Ave Ne, Calgary T2E 2P1 | (403) 250-7518 |
| Wjl Heating & Air Cond Ltd Rr 7 Stn Lcd 1, Calgary T2P 2G7 | (403) 936-5838 |
| Woodridge Heating & Sheet Mtl 268 Woodridge Dr Sw, Calgary T2W 3S2 | (403) 238-2111 |
| Zodiak Sheet Metal Ltd 3610 32 St Ne #14, Calgary T1Y 6G7 | (403) 291-5414 |
| Crosstown Heating & Vntltng 4615 St Ne # 6a, Calgary T2E 4B4 | (403) 250-7424 |
| Dice Plant Maintenance Contr 4137 16a St Se, Calgary T2G 3T7 | (403) 266-2795 |