| Business | Phone |
| Advantage Computer Supplies 101 S River Rd, Mchenry 60051 | (815) 363-5300 |
| All In One Computer 5005 W Orchard Dr, Mchenry 60050 | (815) 385-4510 |
| Avocation Software 5705 Fieldstone Trl, Mchenry 60050 | (815) 385-4022 |
| Cil Technologies Mchenry 60051 | (815) 344-5773 |
| Shopware Inc 760 Ridgeview Dr, Mchenry 60050 | (815) 759-3932 |
| Sitebuilder Org 2416 Orchard Beach Rd, Mchenry 60050 | (847) 487-2300 |
| Ranker Software 3616 James St, Mchenry 60050 | (815) 385-1527 |
| Fenetrix Inc 926 Donnelly Pl, Mchenry 60050 | (815) 363-9554 |
| Preview Systems Inc 3010 Kama Ave, Mchenry 60050 | (815) 344-5705 |
| Kisssoft 3719 Spring Grove Rd, Mchenry 60050 | (815) 363-8823 |
| Lunar Code Corp 1402 N Riverside Dr 203, Mchenry 60050 | (815) 759-0995 |