| Business | Phone |
| Inventory Services Of America 4680 W Bradley Rd 202, Milwaukee 53223 | (414) 357-7980 |
| Wis Intl 6810 W Wedgewood Dr, Milwaukee 53220 | (414) 541-7711 |
| Registrar Accreditation Board 600 N Plankinton Ave, Milwaukee 53203 | (414) 272-3937 |
| R G I S Inventory Specialists 2675 N Mayfair Rd 308, Milwaukee 53226 | (414) 476-3301 |