| Business | Phone |
| Alpha Communications Inc 718 E Rollins Rd, Round Lake 60073 | (847) 546-8044 |
| Cellular Advantage 524 E Rollins Rd, Round Lake 60073 | (847) 740-8299 |
| Mutual Cellular 960 E Rollins Rd, Round Lake 60073 | (847) 543-0664 |
| Ilink Networks Inc Round Lake 60073 | (847) 270-0173 |