| Business | Phone |
| Acontech Inc 190 Don Park Rd, Markham L3R 2V8 | (905) 305-0057 |
| Advanced Image Technology Inc 2800 14th Ave, Markham L3R 0E4 | (905) 305-9720 |
| Guillevin International Inc 50 Don Park Rd, Markham L3R 1J3 | (905) 475-8144 |
| Indigo Manufacturing Inc 100 Steelcase Rd E, Markham L3R 1E8 | (905) 944-0256 |
| Jfb Technologies Inc 96 Steelcase Rd W, Markham L3R 3J9 | (905) 470-0109 |
| Jite Connectors Inc 300 Steelcase Rd W, Markham L3R 2W2 | (905) 479-4499 |
| Larr Engineered Prototypes 7750 Birchmount Rd, Markham L3R 0B4 | (905) 470-5167 |
| Microbonds Inc 151 Amber St, Markham L3R 3B3 | (905) 305-0980 |
| Mitsubishi Electric Sales 4299 14th Ave, Markham L3R 0J2 | (905) 475-7728 |
| N T & T 210 Cochrane Dr, Markham | (905) 474-4333 |
| Nsy Distributors Inc 41 Sophia Rd, Markham L3S 3Y5 | (905) 201-8085 |
| Quantum Voice Data Supply Inc 860 Denison St #11, Markham L3R 4H1 | (905) 479-2400 |
| R F Spectrum Inc 7750 Birchmount Rd, Markham L3R 0B4 | (905) 946-1854 |
| Radiant Technologies Inc 151 Bentley St, Markham L3R 3X9 | (905) 940-8555 |
| Resave Technology 2750 14th Ave, Markham L3R 0B6 | (905) 415-8770 |
| S P Intl 550 Alden Rd, Markham L3R 6A8 | (905) 475-5305 |
| Span Manufacturing Ltd 125 Gibson Dr, Markham L3R 3K7 | (905) 946-8972 |
| Stetron International Inc 2651 John St, Markham L3R 2W5 | (905) 475-6202 |
| Supreme Light & Elect Supl Ltd 9 Laidlaw Blvd, Markham L3P 1W5 | (905) 477-3113 |
| Torbram Electric Supply 89 Steelcase Rd E, Markham L3R 1E9 | (905) 948-0441 |
| Update Electronics Inc 7725 Birchmount Rd, Markham L3R 9X3 | (905) 477-3500 |
| V R Electronics 101 Bentley St, Markham L3R 3L1 | (905) 475-1401 |
| Valence Semiconductor Canada 11 Allstate Pky, Markham L3R 9T8 | (905) 415-6999 |
| Varitronix Canada Ltd 18 Crown Steel Dr, Markham L3R 9X8 | (905) 415-0023 |
| Viken Electronics Inc 80 Citizen Crt #11, Markham L6G 1A7 | (905) 305-0799 |
| Weidmuller Ltd 10 Spy Crt, Markham L3R 5H6 | (905) 475-1507 |
| Wesco Distribution-Canada Inc 475 Hood Rd, Markham L3R 0S8 | (905) 415-6100 |
| Westburne Ruddy Electric 690 Denison St, Markham L3R 1C1 | (905) 475-7161 |
| Wiz Electronics Ltd 200 Cochrane Dr #8, Markham L3R 8E8 | (905) 513-7188 |
| Btw Electronic Parts 560 Denison St #2, Markham L3R 2M8 | (905) 479-0797 |
| C-Ton Corp 210 Cochrane Dr #2, Markham L3R 8E6 | (905) 946-9881 |
| Compar Corp 85 Spy Crt, Markham L3R 5H6 | (905) 475-8508 |
| Concord Idea 4118 14th Ave #4, Markham L3R 0J3 | (905) 305-9116 |
| Cosmo Communications Canada 106 Ferrier St, Markham L3R 2Z5 | (905) 940-0560 |
| Draco International Inc 7800 Woodbine Ave, Markham L3R 2N7 | (905) 477-1112 |
| E Tanaka & Assoc Inc 130 Konrad Cres #16, Markham L3R 0G5 | (416) 330-1088 |