| Business | Phone |
| J P Design 3 Guy Rd, St Catharines L2N 7S3 | (905) 646-3551 |
| M H Drafting 4 Great Western St, St Catharines L2S 2K4 | (905) 685-3577 |
| Ra-Tech Cad Svc 3 Hanson Dr, St Catharines L2M 2W6 | (905) 646-6722 |
| Drafcon Detailing Ltd 27 Queenston St, St Catharines L2R 2Y8 | (905) 684-5359 |
| G Curnock & Assoc 268 Lakeshore Rd, St Catharines L2M 1R6 | (905) 935-8921 |