| Business | Phone |
| Account-Tax Svc 496 Taunton Rd E, Oshawa L1H 7K5 | (905) 434-4413 |
| Allen, Nigel Oshawa Centre, Oshawa | (905) 576-3430 |
| Andrew, Chris 57 Kenneth Ave, Oshawa L1G 5N3 | (905) 721-8646 |
| Gould, Doug 511 Bond St W, Oshawa L1J 2M2 | (905) 576-4619 |
| Hill, Thomas F G 200 Bond St W #208, Oshawa L1J 2L7 | (905) 579-5659 |
| Holden, James B 1050 Simcoe St N #111, Oshawa L1G 4W5 | (905) 579-6215 |
| Hosmar, Albert 496 Taunton Rd E, Oshawa L1H 7K5 | (905) 434-7383 |
| Middleton, J E Ian 337 King St W, Oshawa L1J 2J8 | (905) 728-6951 |
| Jackson, Keith A 125 Oshawa Blvd S, Oshawa L1H 5R4 | (905) 576-7520 |
| Jackson, Wayne 22 Stevenson Rd S, Oshawa L1J 5L9 | (905) 579-5531 |
| Laing & Rohr 419 King St W #102, Oshawa L1J 2K5 | (905) 579-6245 |
| Mac Leod, Norman J 884 Sorrento Ave, Oshawa L1J 6V8 | (905) 434-3933 |
| Mailer, Ann 172 King St E #104, Oshawa L1H 1B7 | (905) 571-4010 |
| Marsh, Deborah L 21 Gladstone Ave #306, Oshawa L1J 4E3 | (905) 720-0265 |
| Mokhtar, Mike 146 Simcoe St N, Oshawa L1G 4S7 | (905) 576-5033 |
| Morrison, Pat 1476 Lyncroft Cres, Oshawa L1K 2P4 | (905) 725-0223 |
| Newhouses, John C 1000 Simcoe St N #3, Oshawa L1G 4W4 | (905) 725-4615 |
| Patte, John G 511 Bond St W, Oshawa L1J 2M2 | (905) 723-9511 |
| Peace, Michael G 10 Colborne St E, Oshawa L1G 1L9 | (905) 433-0201 |
| Prentice, Jack 1491 Connery Cres, Oshawa L1J 8E6 | (905) 576-3108 |
| Bdo Dunwoody 419 King St W #502, Oshawa L1J 2K5 | (905) 619-6514 |
| Royce Group 633 King St E, Oshawa L1H 1G3 | (905) 404-8623 |
| Runcini, Leslie 57 Division St, Oshawa L1G 5L8 | (905) 433-8631 |
| Smith, Kenneth J 905 Grandview St N, Oshawa L1K 2J9 | (905) 725-1818 |
| Stastny & Co 187 King St E, Oshawa L1H 1C2 | (905) 436-0100 |
| Sutherland, Stephen J 13 John St W, Oshawa L1H 1W8 | (905) 721-8600 |
| Thomas Haar & Assoc 187 King St E, Oshawa L1H 1C2 | (905) 436-6836 |
| Williams, John 500 Mayfair Ave, Oshawa L1G 2Y2 | (905) 725-5551 |
| Clapp, Michael W 76 King St W, Oshawa L1H 1A6 | (905) 571-4423 |
| Clancy, J James 10 Colborne St E, Oshawa L1G 1L9 | (905) 433-2000 |
| Craven, Kenneth R 158 Centre St S, Oshawa L1H 4A4 | (905) 571-1531 |
| Durham Engineering 420 King St W, Oshawa L1J 2K8 | (905) 728-2255 |
| Fenemore, Lloyd D 172 King St E #105, Oshawa L1H 1B7 | (905) 434-6131 |
| Full Circle Accounting Svc 222 Highland Ave, Oshawa L1H 6A8 | (905) 404-9446 |