| Business | Phone |
| Us Commodity Futures Trading 4900 Main St, Kansas City 64112 | (816) 931-7600 |
| Us Employment Standards Adm 801 Walnut St, Kansas City 64106 | (816) 426-3860 |
| Us Labor Dept 1100 Main St, Kansas City 64105 | (816) 426-5481 |
| Us Labor Dept Wage & Hour Div 911 Walnut St, Kansas City 64106 | (816) 426-5386 |
| Us Occupation Safety & Health 6200 E Connecticut Ave # 100, Kansas City 64120 | (816) 483-9531 |
| Federal Mediation Conciliation 801 Walnut St, Kansas City 64106 | (816) 374-6214 |