. . . "1990Z"^^ . . . . "Matrix Telecom, Inc"@en . "Matrix Telecom, Inc., operating as Matrix Business Technologies, Trinsic, Powered by Matrix, Excel Telecommunications and various other niche brands is a United States telecommunications firm that provides voice and data services to consumers and small and medium businesses as well as multi-location distributed enterprise markets (national chains)."@en . . . . . . . . . .