| Business | Phone |
| B & M Construction Rr 4 Stn Main, Guelph N1H 6J1 | (519) 822-2007 |
| Glenwood Contractors 31 Glenwood Ave, Guelph N1H 4L4 | (519) 824-6554 |
| Harrington Construction Inc 80 Regal Rd #7, Guelph N1K 1C1 | (519) 837-3581 |
| Keith Mc Ewen Assoc Inc 550 Imperial Rd N, Guelph N1H 7M3 | (519) 821-5422 |
| King Inspection & Envrnmntl 83 King St #4, Guelph N1E 4P5 | (519) 837-2422 |
| Lafarge Canada Inc 163 Inkerman St, Guelph N1H 3E1 | (519) 759-1511 |
| Landev Construction Ltd 54 Monarch Rd, Guelph N1K 1S3 | (519) 763-9682 |
| Marshall Finamore Construction 2 Taggart St #8, Guelph N1L 1M5 | (519) 822-8279 |
| Masterpiece Cabinets Rr 7 Stn Main, Guelph N1H 6J4 | (519) 763-8475 |
| Mdma Inc 23 Victoria Rd N #D, Guelph N1E 5G6 | (519) 763-5223 |
| Priority Building Svc 8 Echo Dr, Guelph N1G 1H2 | (519) 822-3514 |
| Proson Utility Solutions 355 Elmira Rd N #138, Guelph N1K 1S5 | (519) 767-2843 |
| R & R Bellamy Construction 100 Arrow Rd #2, Guelph N1K 1T4 | (519) 837-1590 |
| Ron Marshall Construction 728 Victoria Rd S, Guelph N1L 1C6 | (519) 763-6430 |
| Beaton Roofing Rr 1 Stn Main, Guelph N1H 6H7 | (519) 856-9784 |
| Blair Construction Eastern 395 Michener Rd, Guelph N1K 1E8 | (519) 836-3610 |
| Spring Ridge Homes Inc 86 Brock Rd S, Guelph N1H 6H9 | (519) 826-5858 |
| Stonehedge Homes Rr 3 Stn Main, Guelph N1H 6H9 | (519) 763-7119 |
| T Dixon Renovation & Constr 28 Kensington St, Guelph N1E 3P4 | (519) 821-2489 |
| Tambro Construction Ltd 69 Regal Rd #1, Guelph N1K 1B6 | (519) 766-1234 |
| Terra View Homes Inc 45 Speedvale Ave E #203, Guelph N1H 1J2 | (519) 822-9006 |
| Thomasfield Homes Ltd 295 Southgate Dr #10, Guelph N1G 3M5 | (519) 836-4332 |
| Boston Bull Mechanical 45 Conroy Cres #203, Guelph N1G 2V5 | (519) 767-2739 |
| Brian Connors Construction Ltd Po Box 31004 Rpo Willow W Mall, Guelph N1H 8K1 | (519) 822-6641 |
| Bryco Construction Management 201 Alice St, Guelph N1E 3A7 | (519) 763-0800 |
| Crd Construction Ltd 170 Curtis Dr #1, Guelph N1K 1N5 | (519) 822-1801 |
| Cxd Construction Ltd 2 Cadillac Dr, Guelph N1E 2B5 | (519) 822-2333 |
| Degan Construction Ltd 25 Balmoral Dr, Guelph N1E 3N7 | (519) 824-4888 |
| Devlan Construction Ltd 54 Monarch Rd, Guelph N1K 1S3 | (519) 763-5800 |
| Dira Construction Ltd 200 Edinburgh Rd N, Guelph N1H 5R9 | (519) 836-0370 |
| Dunnink Homes Ltd 46 Hyland Rd, Guelph N1E 1T3 | (519) 821-7960 |
| Durante Construction & Masonry 226 Victoria Rd N, Guelph N1E 5J1 | (519) 767-0910 |
| Enviro-Con Ltd 290 Southgate Dr #5, Guelph N1G 4P5 | (519) 829-3904 |
| Fabbian Homes Inc 14 Malcolm Rd, Guelph N1K 1A9 | (519) 824-0789 |
| Finoro Custom Homes Inc 120 Malcolm Rd, Guelph N1K 1B1 | (519) 824-2961 |
| Fusion Homes 74 Elizabeth St, Guelph N1E 2X2 | (519) 826-6700 |
| G Gatto Construction Ltd 115 Pleasant Rd, Guelph N1E 3Z7 | (519) 824-0257 |
| Gary Kroezen Contracting 12 Maple Leaf Lane, Guelph N1H 6H9 | (519) 837-0819 |