| Business | Phone |
| Federal Mediation Conciliation 10000 W Innovation Dr, Milwaukee 53226 | (414) 771-7110 |
| Us Labor Management Standards 517 E Wisconsin Ave 118, Milwaukee 53202 | (414) 297-1501 |
| Us Occupation Safety & Health 310 W Wisconsin Ave 1180, Milwaukee 53203 | (414) 297-3315 |
| National Labor Relations Board 310 W Wisconsin Ave 700, Milwaukee 53203 | (414) 297-3861 |