| Business | Phone |
| A Venczel & Assoc 72 Howland Ave #1, Toronto M5R 3B3 | (416) 447-7076 |
| Ab Co Engineering-Operations 55 Eglinton Ave E, Toronto M4P 1G8 | (416) 322-2000 |
| Adjeleian Allen Rubeli Ltd 55 Eglinton Ave E #804, Toronto M4P 1G8 | (416) 487-4552 |
| Atkins & Van Groll Inc 3300 Yonge St, Toronto M4N 2L6 | (416) 489-7888 |
| B A Consulting Group Ltd 45 St Clair Ave W #200, Toronto M4V 1K9 | (416) 961-7110 |
| Giffin Koerth Forensic Eng 44 Victoria St, Toronto M5C 1Y2 | (416) 368-1700 |
| Golder Associates 141 Adelaide St W, Toronto M5H 3L5 | (416) 366-6999 |
| H Sustronk & Assoc Ltd 401 Queens Quay W #511, Toronto M5V 2Y2 | (416) 593-6870 |
| Hargrave & Co 61 Brooklyn Ave, Toronto M4M 2X4 | (416) 466-5470 |
| Hcc Engineering Ltd 111 Eglinton Ave E, Toronto M4P 1H4 | (416) 932-2423 |
| Hepl Inc 366 Adelaide St E, Toronto M5A 3X9 | (416) 360-8070 |
| M D Beer Assoc Inc Consulting 586 Eglinton Ave E, Toronto M4P 1P2 | (416) 544-8050 |
| J W Cowie Engineering Ltd 3335 Yonge St #304, Toronto M4N 2M1 | (416) 487-4113 |
| Knight Piesold 20 Bay St #1205, Toronto M5J 2N8 | (416) 214-1121 |
| Kvaerner Engineering & Constr 480 University Ave #300, Toronto M5G 1V2 | (416) 340-1145 |
| L C Bachorz Assoc Ltd 575 Bloor St E, Toronto M4W 1J1 | (416) 922-2755 |
| Lapas Consulting Engineers Ltd 80 Richmond St W #509, Toronto M5H 2A4 | (416) 955-9088 |
| Lore 245 Roehampton Ave, Toronto M4P 1R6 | (416) 489-9008 |
| M G Pascoe & Assoc Ltd 224 Merton St #101, Toronto M4S 1A1 | (416) 362-2455 |
| Matus Associates Inc 63 Metcalfe St, Toronto M4X 1R9 | (416) 922-6379 |
| Mcw Consultants Ltd 156 Front St W #600, Toronto M5J 2L6 | (416) 598-2920 |
| Nck Engineering Ltd 10 Saint Mary St #505, Toronto M4Y 1P9 | (416) 964-3322 |
| Novus-Intersign Engineering 23 Morton Rd #A, Toronto M4C 4N7 | (416) 686-4911 |
| Ojdrovic Engineering Inc 326 Indian Grove, Toronto M6P 2H5 | (416) 925-0333 |
| P T Mikluchin & Assoc Ltd 485 Kingston Rd #203, Toronto M4L 1V6 | (416) 690-5266 |
| Paul Cs Lee Engineering Ltd 843 Gerrard St E #200, Toronto M4M 1Y8 | (416) 461-7226 |
| Quinn Dressel Assoc 1246 Yonge St, Toronto M4T 1W5 | (416) 961-8294 |
| R B Hope Industries Inc 131 Chester Ave, Toronto M4K 2Z8 | (416) 465-7603 |
| Raftery Engineering Invstgtns 37 Lola Rd, Toronto M5P 1E5 | (416) 483-3151 |
| Read Jones Christoffersen 144 Front St W #500, Toronto M5J 2L7 | (416) 977-5335 |
| Rocscience 31 Balsam Ave, Toronto M4E 3B5 | (416) 698-8217 |
| Simulent Inc 229 College St, Toronto M5T 1R4 | (416) 979-5544 |
| Smith & Andersen Consulting 505 Eglinton Ave W #504, Toronto M5N 1B1 | (416) 487-8151 |
| Stone & Webster Canada Ltd 2300 Yonge St #904, Toronto M4P 1E4 | (416) 932-4400 |
| Swider Richard C Consulting 80 Quebec Ave, Toronto M6P 4B7 | (416) 368-1033 |
| Test 65 Bellwoods Ave, Toronto M6J 3N4 | (416) 363-0404 |
| Tillyard & Partners Inc 150 Eglinton Ave E #801, Toronto M4P 1E8 | (416) 322-6112 |
| Virtek Engineering Sciences 1 Bedford Rd, Toronto M5R 2J7 | (416) 921-2224 |
| W M Slater & Assoc Inc 21 Garfield Ave, Toronto M4T 1E6 | (416) 487-9508 |
| Walters Forensic Engineering 277 Wellington St W, Toronto M5V 3E4 | (416) 971-8900 |
| Watts Griffis & Mc Ouat Ltd 8 King St E #100, Toronto M5C 1B5 | (416) 364-6244 |
| Willings & Assoc Ltd 1371 Bathurst St, Toronto M5R 3H8 | (416) 534-1727 |
| Yoon & Assoc Engineering Ltd 195 Glenview Ave, Toronto M4R 1R4 | (416) 322-9081 |
| Yolles Partnership Inc 163 Queen St E #200, Toronto M5A 1S1 | (416) 363-8123 |
| Borenstein, Rob 780 Eglinton Ave W #310, Toronto M5N 1E9 | (416) 782-9044 |
| Bremel Co Ltd 278 Avenue Rd #101, Toronto M4V 2G7 | (416) 964-6694 |
| Cogeneration Associates Ltd 30 St Clair Ave W #1402, Toronto M4V 3A1 | (416) 962-4411 |
| Conengr Inc 276 Carlaw Ave #206, Toronto M4M 3L1 | (416) 232-1085 |
| Ema Canada Inc 116 Spadina Ave #301, Toronto M5V 2K6 | (416) 214-0155 |
| Engineering Svc Inc 1 Bedford Rd, Toronto M5R 2J7 | (416) 595-5519 |
| Environmental Probe Ltd 20 Toronto St, Toronto M5C 2B8 | (416) 364-3633 |
| Generic Engineering 26 Wells Hill Ave, Toronto M5R 3A6 | (416) 534-3610 |
| Designlore Inc. 36 Eglinton Ave. West Suite 707, Toronto M4R 1A1 | (416) 489-9008 |