| Business | Phone |
| American Engineering Testing 1937 7th St Nw # 1, Rochester 55901 | (507) 281-3547 |
| Ayres & Assoc 1530 Greenview Dr Sw, Rochester 55902 | (507) 287-6542 |
| Controls Engineering Svc 109 22nd St Sw, Rochester 55902 | (507) 529-0785 |
| Engineered Concepts Inc 711 S Broadway, Rochester 55904 | (507) 285-0316 |
| Holabird & Root 400 S Broadway # 303, Rochester 55904 | (507) 288-8088 |
| Integrated Technology 4131 26th St Nw # 2, Rochester 55901 | (507) 282-5736 |
| Mc Ghie & Betts Inc 1648 3rd Ave Se, Rochester 55904 | (507) 289-3919 |
| Nnw Inc 1890 Bear Ridge Ln Se, Rochester 55904 | (507) 281-5188 |
| Ultimate Wood Design 2130 S Broadway, Rochester 55904 | (507) 281-4843 |
| Sebesta Blomberg & Assoc Inc 3535 40th Ave Nw # 102, Rochester 55901 | (507) 286-9244 |