| Business | Phone |
| American Engineering Testing 1730 1st Ave, Mankato 56001 | (507) 387-2222 |
| Bolton & Menk Inc 1960 Premiere Dr, Mankato 56001 | (507) 625-4171 |
| Mobile Engineering 906 Adams St, Mankato 56001 | (507) 345-7169 |
| Revolutionary Construction Inc 117 S Mayfair Dr, Mankato 56001 | (507) 388-6006 |