| Business | Phone |
| Ayres Associates 916 Willard Dr 200, Green Bay 54304 | (920) 498-1200 |
| Community Engineering Conslnts 500 Ams Ct, Green Bay 54313 | (920) 434-8500 |
| Efj Consulting Engineers 735 E Walnut St, Green Bay 54301 | (920) 884-3183 |
| Facility Engineering Conslnts 2301 Riverside Dr, Green Bay 54301 | (920) 445-0430 |
| Graef Anhalt Schloemer & Assoc 1150 Springhurst Dr 201, Green Bay 54304 | (920) 592-9440 |
| Infinity Machine & Engrg Corp 994 Parkview Rd, Green Bay 54304 | (920) 965-0222 |
| Jfk Environmental Engr 1243 Kenwood St, Green Bay 54304 | (920) 497-4667 |
| Key Railroad Development 2671 Continental Dr, Green Bay 54311 | (920) 406-9520 |
| Lang Associates 1496 Bellevue St 502e, Green Bay 54311 | (920) 468-6808 |
| Mead & Hunt Inc 1345 North Rd B, Green Bay 54313 | (920) 496-0500 |
| Nrp Environmental Consultant 1140 Ashwaubenon St, Green Bay 54304 | (920) 339-9212 |
| Packerland Engineering 2670 Packerland Dr, Green Bay 54313 | (920) 490-7773 |
| Professional Control Solutions 1295 N Kimps Ct, Green Bay 54313 | (920) 434-9507 |
| River Valley Testing Corp 2193 Starr Ct, Green Bay 54303 | (920) 497-9395 |
| Romes Design Inc 1600 Shawano Ave, Green Bay 54303 | (920) 592-9630 |
| Zepnick Solutions Inc 416 Security Blvd B, Green Bay 54313 | (920) 662-1682 |