MFS Services, Inc.;MFS Intelenet, Inc.;WorldCom Technologies, Inc.;MCI WorldCom Communications, Inc.;MCI Communications Services, Inc.

Cross Telephone Company, L.L.C.; Cimarron Telephone Company, L.L.C.; The Pottawatomie Telephone Co, L.L.C.; Cross Cable Television, L.L.C.; Cross Wireless, L.L.C. d/b/a Bravado Wireless; Cross Valliant Cellular Partnership; Cim Tel Cable, L.L.C.; MBO Video, LLC d/b/a MBO Networks; OpticTel Long Distance, L.L.C.; NBVDS Investment, L.L.C.; MBO Holdings, L.L.C.; MBO, L.L.C.; Jacob Baldwin, CEO; R. David Wright, CTO; Edward McLaughlin, COO; V. David Miller, II, Chairman; H. Gene Baldwin, VP

Principals: CEO: Monte Brown Affiliates: None Subsidiaries: Rapier Technology Group, LLC: 100％ ownership. Monte Brown serves as CEO. The company is primarily engaged in the commercialization of software products. Cooper33, LLC: 100％ ownership. Monte Brown serves as CEO. The company handles payroll operations. Sensor Biometrics, LLC: 100％ ownership. Monte Brown serves as CEO. This subsidiary is focused on the commercialization of software products. Parent Companies: None

Maxsip Tel LLC (P.K.A. Maxsip Telecom Corp.) is wholly owned by Maxsip Telecom Holdings Inc. Its affiliates include T-Wire., Terracom Inc., and Yourtel America Inc.

Action Gator Tuffy Tire Gateway Tire Jack Williams Kauffman Tire Cole Muffler Brake Somerset Tire Service Dekalb Tire Savannah Tire Family Tire & Auto Service

Mauritius Telecom Ltd. Subsidiaries: Cellplus Mobile Communications Ltd, Telecom Plus Ltd, Call Services Ltd.

Enreach Oy - Prior (Benemen Oy) Enreach Communications AB - Prior (Benemen Sweden AB) Enreach SP z.o.o. - Prior (Benemen Poland Sp z.o.o.) Benemen Denmark ApS - Prior Benemen ApS Enreach B.V. - Prior (Voiceworks B.V.)

The Marlink Group (including Marlink-ITC, Inc.) is for the majority owned by investment funds that are managed and controlled by Providence Equity Partners ("Providence") and Seven2. Providence and Seven2 are regulated private equity investment advisers/fund managers subject to extensive (US and EU) anti-money laundering laws and regulations. Providence, together with its co-investor Ardian Holding, controls around 58％ of Marlink, Seven2 around 36％ and the remaining percentages of around 6％ is held by other minority shareholders including senior management and employees of Marlink. The following person(s) are Marlink's directors: Alexande De Luca: Director - Vice President Erik Ceuppens: Director - Chief Executive Officer Herve Nays: Director - Chief Financial Officer and Treasurer Stein Anderssen: Director (chairman) - President Tore Morten Olsen: Director - Vice President

Margaretville Telephone Company wholly owns and MTC Cable. There are no owners with an excess of 10％ ownership interest in Margaretville Telephone Company.

Doug Albregts, James Bainbridge, Trevor Akervik, Tim DeVries, Beth Lesniak, Kevin Routhier, John Brownschidle, Jeff Gau, Marco Holdings, LLC

Marchex, Inc. (parent company) Edwin Miller (CEO), Holly Aglio (CFO), Francis J. Feeney (Chief Corporate and Legal Affairs Officer), Troy Hartless (CRO), Russell Horowitz (Chairman of the Board), Mike Arends (Vice Chairman of the Board), Dennis Cline (Director), M. Wayne Wisehart (Director), Donald P. Cogsville (Director), Operating subsidiaries: Marchex Sales, LLC, Callcap, LLC, Sonar Technologies, Inc., and Telmetrics Corp.