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Before you dig, every dig. It's the law. 1.800.257.7777

Maryland

Maryland Member Utilities

  • 24/7 Mid-Atlantic Network, LLC.
  • A&B Realty Partnership
  • A & N Electric Coop.
  • Adelphia Communications
  • AERO Energy
  • AES Warrior Run, Inc.
  • AiNet LLC
  • Allegany County Utilities Division
  • Allegheny Power
  • Amelano Water Company
  • Ameresco Federal Solutions
  • American Water Operations & Maintenance
  • Anne Arundel County Department of Public Works
  • Antietam Cable
  • AOC Connect
  • Arlington County Dept of Public Utilities
  • Armstrong Telephone Company
  • Artesian Water
  • AT&T
  • Atlantic Broadband
  • Baltimore County Department of Public Works
  • Baltimore Gas & Electric
  • Bay Country Communications
  • Beaches Water Company
  • Becton Dickinson
  • Big Savage, LLC.
  • Black & Decker
  • Bonnie Ridge Apartments
  • Boulden, Inc.
  • Broadstripe
  • Burtonsville Edens & Avant
  • Bureau of Utilities, Carroll County Office Building
  • Calvert County Water & Sewer Authority
  • Campus Hills Waterworks
  • Carefirst BlueCross BlueShield
  • Caroline County DPW
  • CATO, Inc.
  • Cavalier Telephone
  • Cecil County Department of Public Works
  • CECO Utilities, Inc.
  • Charles County Government
  • Charter Communications
  • Chesapeake Energy
  • Chesapeake Ranch Water Company
  • Chesapeake Utilities
  • Chestertown Utilities Commission
  • Choptank Electric
  • City of Aberdeen
  • City of Baltimore Department of Public Works
  • City of Bowie
  • City of Brunswick
  • City of Crisfield
  • City of Cumberland
  • City of Frederick Department of Public Works
  • City of Frostburg
  • City of Fruitland
  • City of Hagerstown
  • City of Havre De Grace
  • City of Laurel
  • City of Rockville
  • City of Salisbury
  • City of Takoma Park
  • City of Taneytown
  • City of Westminster
  • Colonial Pipeline
  • Columbia Gas of Maryland
  • Columbia Gas Transmission
  • Comcast Cable TV
  • Commissioners of Leonardtown
  • Communications Technology, Inc.
  • COPT Property Management
  • CPV Maryland, LLC.
  • Crown Castle
  • DC Water Authority
  • D. E. Harris & Co
  • Deep Creek Mountain Utilities
  • Delaware Electric Coop.
  • Delmarva Power
  • Delta Borough Water Company
  • DirectMail
  • Discovery Communications, Inc.
  • Dominion Transmission, Inc.
  • Dorchester County Sanitation
  • Eastern Shore Natural Gas
  • Easton Utilities Commission
  • Elkton Gas
  • Ellicott City Cable Company
  • Energy Recovery Operations, Inc.
  • Extenet
  • Fairfax County Water
  • Fibergate, Inc.
  • Fiberlight
  • Fibertech Network
  • Frederick County Water and Sewer
  • Frostburg State University
  • FTS Fiber
  • Garrett County Dept. of Public Utilities
  • Goff Network Technologies
  • Great Bay Solar
  • GreenRidge Utility, Inc.
  • Harford County Public Works
  • Housing Authority of Crisfield
  • Howard County Utilities
  • Johns Hopkins Applied Physics Lab
  • Johns Hopkins University
  • Kent County Sanitary District
  • Keys Energy
  • Kinder Morgan
  • Kleinfelder
  • Level 3 Communications
  • Lightower Fiber Networks II, LLC and NEON Transcom, Inc.
  • Lumos Technologies
  • Maryland American Water Co.
  • Maryland Aviation Authority
  • Maryland Broadband Cooperative
  • Maryland Department of Information Technology
  • Maryland Department of Natural Resources
  • Maryland Environmental Svcs.
  • Maryland Port Authority
  • Maryland State Highway Administration
  • Maryland Transit Administration
  • Maryland Transportation Authority
  • Maryland Water Service
  • Mattawoman Energy
  • MCI
  • MediaCom of Lower Delmarva
  • Metrocast
  • Mobilitie
  • Mount Saint Mary's University
  • Mountain Communications
  • Municipal Utilities Commission
  • Nelpine Park Rentals
  • NextG Networks
  • North Shores Board of Governors
  • NRG Piney Point
  • NuStar
  • Parkside Condominiums
  • PEG Bandwidth, MD, LLC
  • PEPCO
  • Petroleum Fuel & Terminal Company
  • Peninsula Oil and Propane
  • P.F. Net Networks Services Corp.
  • Pocomoke City
  • Poores Propane
  • Port Deposit Water & Sewer Authority
  • Potomac Electric Power Company
  • Praxair
  • Prince Georges County Internet
  • Princess Anne Townhomes
  • Provinces Utilities, Inc.
  • QCOL, Inc.
  • Queen Annes County Sanitary District
  • QwestCommunications
  • Qwest Government Services
  • Redspeed Maryland, LLC
  • Saint Mary's Metropolitan Commission
  • Saint Mary's County Government
  • Saint Mary's County Public Schools
  • Schagin Gas
  • Severn Water Company
  • Sharp Energy
  • Shentel Communications LLC
  • Sherwood Forest Water Company
  • Somerfield Cable TV
  • Somerset County Maintenance
  • Somerset County Sanitary District
  • Somerset Rural Electric
  • Southern Maryland Electric
  • Sprint Government Systems Division
  • Sprint Nextel
  • Starpower Communication, LLC
  • Steeplechase Waterworks
  • Stevenson Crossing HOA
  • Sunesys
  • T & C Utility Corporation
  • Talbot County Sewer
  • Texas Eastern Transmission
  • Thompson's Gas & Electric Service, Inc.
  • Toro Energy
  • Town of Accident
  • Town of Bel Air
  • Town of Berlin
  • Town of Betterton
  • Town of Boonsboro
  • Town of Cecilton
  • Town of Centreville
  • Town of Charlestown
  • Town of Chesapeake Beach
  • Town of Chesapeake City
  • Town of Church Hill
  • Town of Denton
  • Town of Elkton
  • Town of Emmitsburg
  • Town of Federalsburg
  • Town of Galena
  • Town of Grantsville
  • Town of Greensboro
  • Town of Hampstead Water Department
  • Town of Hurlock
  • Town of Indian Head
  • Town of LaPlata
  • Town of Loch Lynn Heights
  • Town of Lonaconing
  • Town of Manchester
  • Town of Middletown
  • Town of Millington
  • Town of Mountain Lake Park
  • Town of Mount Airy Department of Public Works
  • Town of Myersville
  • Town of North Beach
  • Town of Ocean City
  • Town of Perryville
  • Town of Pittsville
  • Town of Poolesville
  • Town of Preston
  • Town of Queenstown
  • Town of Ridgely
  • Town of Rising Sun
  • Town of Secretary
  • Town of Smithsburg
  • Town of Snow Hill
  • Town of Thurmont
  • Town of Trappe
  • Town of Union Bridge
  • Town of Walkersville
  • Town of Willards
  • Town of Williamsport
  • UGI Central Penn Gas Inc.
  • University of Maryland, Office of IT
  • Veolia Energy
  • Verizon Communications
  • Verizon Wireless
  • Washington County Public Schools
  • Washington County Department of Water Quality
  • Washington Gas
  • Washington Suburban Sanitary Commission
  • Water Services, Inc.
  • Wenona Harbor Pointe Condominium Association
  • Williams Gas Pipeline
  • W.L. Gore & Associates, Inc.
  • Worcester County Public Works
  • Zayo Bandwidth Northeast LLC.
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