Electricity Conectiv Power Delivery and the Choptank Electric Cooperative, Inc. Gas Natural gas is available in Federalsburg from Chesapeake Utilities Corporation. Water Municipal systems in Denton, Federalsburg, Greensboro, Preston, and Ridgely. Sewer Municipal systems in Denton, Federalsburg, Greensboro, Preston, and Ridgely Telecommunications Local Carrier - Bell Atlantic-Maryland. Long Distance Carriers-AT&T, MCI WorldCom, Sprint and over 250 additional carriers and resellers of WATS and MTS.