| Business | Phone |
| Avnet Cm 13750 Shoreline Dr, Earth City 63045 | (314) 770-6400 |
| Uca Comuter Systems 13266 Lakefront Dr, Earth City 63045 | (314) 344-2957 |
| Sagenet Llc 13519 Lakefront Dr, Earth City 63045 | (314) 209-0841 |
| Cds Office Systems 13625 Lakefront Dr, Earth City 63045 | (314) 739-4093 |