| Business | Phone |
| Accell Contracting 76 Byron Ave E, London N6C 1C7 | (519) 434-0571 |
| A & K Roofing Co Ltd 1050 Hargrieve Rd, London N6E 1P5 | (519) 681-6570 |
| A & P Roofing 124 Millbank Dr, London N6C 4V5 | (519) 649-1513 |
| Adanac Roofing 234 Hill St, London N6B 1C9 | (519) 660-8546 |
| Amcauld Roofing 118 Paul St, London N6H 1L2 | (519) 432-5033 |
| H & N Roofing & Sheet Metal 29 Bayview Crt, London N5W 5W4 | (519) 453-1720 |
| Howarth Roofing & Renovations 581 Boler Rd, London N6K 3R8 | (519) 672-5236 |
| Hyman Roofing 27 Monterey Cres, London N6P 1C8 | (519) 652-0785 |
| La Fleche Roofing Ltd 1100 Progress Dr, London N6N 1B8 | (519) 681-7610 |
| London Roofing 814 Princess Ave, London N5W 3M4 | (519) 434-9105 |
| Lynch Roofing Inc 815 Central Ave, London N5W 3R1 | (519) 457-2124 |
| Merriam Roofing & Renovations 6806 Fisher Lane, London N6N 1G9 | (519) 685-3111 |
| Mid Town Roofing & Eavestrough 88 Appel St, London N5Y 1R2 | (519) 452-1421 |
| Murphy Exteriors 3 Langarth St W, London N6J 1N5 | (519) 913-4499 |
| Murray Shaw Roofing Inc 1900 Hyde Park Rd #6, London N6H 5L9 | (519) 473-7500 |
| Mustang Exteriors 1055 Sarnia Rd #3b, London N6H 5J9 | (519) 471-3969 |
| Rainbow Roofing 188 Irving Pl, London N5V 2H9 | (519) 455-9437 |
| Blythe Roofing 486 Chiddington Ave, London N6C 2W2 | (519) 764-2764 |
| Bob Wilkins Roofing 860 Commissioners Rd E, London N6C 5Y8 | (519) 685-5927 |
| Rouse Roofing & Siding 954 Willow Dr, London N6E 1P1 | (519) 649-7583 |
| Southwinds Roofing 1626 Gore Rd, London N5W 1T8 | (519) 451-4285 |
| Thomas Roofing London Ltd 31 Muir St, London N5W 4B8 | (519) 457-2650 |
| Titan Roofing 262 Ardsley Cres, London N6G 3W7 | (519) 657-7596 |
| Tooming Roofing & Siding 425 King St, London N6B 1S5 | (519) 672-3336 |
| True Seal Roofing & Home Enhnc Rr 41 Lcd 4, London N6H 5L2 | (519) 471-8668 |
| Williamson Bros Roofing Ltd 24 Thackerey Pl, London N6G 3E7 | (519) 473-9120 |
| Brydges Roofing & Sheet Metal 1000 Thistledown Way, London N6G 4L7 | (519) 452-3710 |
| Carrie Roofing 1302 Sandford St, London N5V 3T7 | (519) 455-5944 |
| Courtney Roofing Ltd 3392 Wonderland Rd S #1, London N6L 1A8 | (519) 652-6859 |
| D L Jeffery Roofing & Sheet 39 Harding Cres, London N6E 1G2 | (519) 686-5408 |
| Davidoff Roofing Ltd 861 Medway Park Crt, London N6G 5C7 | (519) 641-7663 |
| Deane Roofing Ltd 331 Aberdeen Dr, London N5V 4S4 | (519) 659-6631 |
| Delmage Roofing 15 Clemens St, London N5Y 1H5 | (519) 659-3632 |
| Eric's Roofing 62 Jutta Cres, London N6E 3S8 | (519) 668-7381 |
| Flynn Canada Ltd 550 Sovereign Rd, London N5V 4K5 | (519) 681-0200 |
| Forest City Roofing & Siding 3392 Wonderland Rd S #1, London N6L 1A8 | (519) 685-1797 |
| Forest City Window & Door 38 Cobblestone Rd, London N5Y 5M6 | (519) 659-6906 |
| Four Seasons Roofing Ltd 1993 Ashgrove Crt, London N6K 4S2 | (519) 474-4464 |
| G M Roofing & Siding 631 Widmore Dr, London N6J 3A7 | (519) 685-3535 |
| G-Mac Contracting 32 Langarth St E, London N6C 1Z1 | (519) 672-3059 |