| Business | Phone |
| Stewart Industrial Hygiene 9508 Grandview Rd, Kansas City 64137 | (816) 763-4440 |
| Clayton Group Svc Kansas City 64114 | (913) 451-3600 |
| Rmk Consultants 6009 Central St, Kansas City 64113 | (816) 363-1409 |
| Erio Consulting 3927 Kenwood Ave, Kansas City 64110 | (816) 753-9030 |