| Business | Phone |
| Atlas Copco Regional Office 2115 Maverick Dr # A, Maryland Heights 63043 | (314) 439-9569 |
| Kaeser Compressors Inc 42 Worthington Access Dr, Maryland Heights 63043 | (314) 514-1000 |
| Hughes Machinery Co 48 Worthington Access Dr, Maryland Heights 63043 | (314) 579-4112 |