Telecommunications CVBA is a partnership between the Chambersburg and Greencastle-Antrim chambers of commerce. go Results Found: 4 Button group with nested dropdown Tele-Plus Corporation Tele-Plus Corporation 916 Eldridge Drive Hagerstown MD 21740-6842 (800) 542-2733 Visit Website Advocate Phivtech Solutions Full service provider of I.T. infrastructure solutions. Full service provider of I.T. infrastructure solutions. 200 Jordan Drive Gilbertsville PA 19525 (717) 497-2508 Glessner Technologies Glessner Technologies 1216 Sherman Avenue Hagerstown MD 21740 (301) 797-1280 Visit Website Brightspeed Business Brightspeed Business 250 Lincoln Way East Chambersburg PA 17201 (833) 692-7773