Advanced Network Cabling
- Michigan Network cable company with over 10 years of experience in structured wiring as communication contractors. Taylor
- http://www.ancmich.com/

Ipanema Solutions
- A services firm specializing in implementing Voice over Internet Protocol (VoIP) telephone systems for small and midsize firms. Located in Ann Arbor.
- http://www.ipanemasolutions.com/

Intelesys, Inc.
- Specializes in communications, phone systems and networks in Madison Heights and Kalamazoo.
- http://www.ivdsystems.com/

Teoma Systems
- Designs, implements, and supports communication solutions in IP telephony systems, unified messaging, CRM, call center, WLAN, and Multi-site applications.
- http://www.teomasystems.com/

T&D Technologies
- Providing telecommunication installations and services.
- http://www.tdtechnologies.net/

MPR Communications, Inc.
- Midwest Company specializing in Telephone and Computer equipment sales and services. Located in Southwestern Michigan serving Michigan, Indiana, Ohio and Illinois.
- http://www.mprcommunications.com/