| Business | Phone |
| Gray Woodworks Ltd 100 Monaco Dr, Roselle 60172 | (630) 539-0055 |
| Intellireach Corp 800 Lake St 112, Roselle 60172 | (630) 295-8112 |
| Oparc 25w775 Lake St, Roselle 60172 | (630) 295-9306 |
| V & H Enterprises Roselle 60172 | (630) 307-1169 |
| Microselle Systems 788 Overland Ct, Roselle 60172 | (630) 894-4048 |
| Qualifine Industries Inc 975 E Nerge Rd W10, Roselle 60172 | (630) 295-8450 |
| Takefive Software 975 E Nerge Rd, Roselle 60172 | (630) 893-0210 |