| Business | Phone |
| Business Systems Integrators 8762 Louisiana St # E, Merrillville 46410 | (219) 738-1105 |
| Millennium Technologies 1670 W 62nd Ave, Merrillville 46410 | (219) 981-2001 |
| Millennium Technology Merrillville 46410 | (219) 981-2004 |
| Think Tank Networking Tech 1575 E 89th Ave, Merrillville 46410 | (219) 736-2667 |