MCI Metro Ats

Grid4 Communications Inc. is a provider of facilities-based IP communications services in Troy, Mich. The firm provides an advanced and comprehensive portfolio of IP voice (VOIP), hi-speed dedicated Internet access (broadband), private data networking services (IP virtual private networks - MPLS-VPN) unified communications, hosted IP-PBX, security and managed solutions for business. It offers advanced network reliability, business telephony and advanced data solutions. Grid4 Communications Inc. provides a wide range of business services, such as voice, data, unified communications, hosting and carrier services.

Founded in 1993, Teoma Systems is an IT systems integration company offering voice, data and video solutions, support services and IT (information technology) to businesses and organizations throughout greater Michigan, The United States, Mexico and Canada. Solutions offered include IP (Internet Protocol) communications, infrastructure/networking, servers & virtualization, storage, hosted solutions, cabling, security and video surveillance. The firm is associated with Avaya, Axis Communications, Ruckus Wireless, Barracuda Networks, Brocade, Dell Compellent, HP, IBM, Juniper Networks, Microsoft, NetApp, ONSSI, Quantum and VMware, amongst others.