| Business | Phone |
| Abc Quality Metal Prods Ltd 91 Esna Park Dr #1, Markham L3R 2S2 | (905) 475-1659 |
| Andra's Machine & Tool 340 Don Park Rd #17, Markham L3R 1C5 | (905) 474-0241 |
| Ascot Machinery Co 315 Steelcase Rd E, Markham L3R 2R5 | (905) 477-1871 |
| Competition Systems 320 Don Park Rd, Markham L3R 1J4 | (905) 474-9522 |
| Irm Ltd 138 Anderson Ave, Markham L6E 1A4 | (905) 471-8283 |
| Jin Machine & Tool Co 60 Amber St, Markham L3R 2Z9 | (905) 479-6637 |
| Jnh Precision 101 Amber St #16, Markham L3R 3B2 | (905) 475-1233 |
| Machine Shop 1001 Denison St, Markham L3R 2Z6 | (905) 475-5188 |
| Pmei Machining & Repairs 315 Steelcase Rd E, Markham L3R 2R5 | (905) 944-1528 |
| Bethlehem Machining & Tool 415 Hood Rd, Markham L3R 3W2 | (905) 475-1162 |
| Torrovap Industries Inc 90 Nolan Crt #40, Markham L3R 4L9 | (905) 474-9144 |
| Tri-M Machine Works Inc 45 Ferrier St, Markham L3R 3K6 | (905) 470-2131 |
| C E Machine Inc 3400 14th Ave #36, Markham L3R 0H7 | (905) 474-1549 |
| Canadian Tool Design Ltd 320 Don Park Rd, Markham L3R 1J4 | (905) 477-8665 |
| Cutting Edge Tooling Inc 431 Alden Rd, Markham L3R 3L4 | (905) 305-1718 |
| D & L Machinery 400 Don Park Rd, Markham L3R 1C6 | (905) 944-1568 |
| D S Mfg 110 Denison St, Markham L3R 1B6 | (905) 947-0590 |
| Elex Edm Specialists 141 Mcpherson St, Markham L3R 3L3 | (905) 943-9620 |