Visit the Missouri Public Service Commission Website Maryland Public Service Commission Visit the Maryland Public Service Commission Website The Commission regulates gas, electric, telephone, water, and sewage disposal companies. Also subject to the jurisdiction of the Commission are electricity suppliers, fees for pilotage services to vessels, construction of a generating station and certain common carriers engaged in the transportation for hire of persons. The PSC’s jurisdiction extends to taxicabs operating in the City of Baltimore, Baltimore County, Cumberland, and Hagerstown. The categories of regulated public service companies are listed below: electric utilities gas utilities combination gas and electric utilities telecommunications companies water, and water and sewerage companies passenger motor vehicle carriers (sedans, limousines, and buses) railroad companies taxicab companies other public service companies - Maryland Public Service Commission State Commissioners W. Kevin Hughes Chairman Harold D. Williams Commissioner Lawrence Brenner Commissioner Anne E. Hoskins Commissioner Jeannette M. Mills Commissioner Maryland Public Service Commission News Maryland PSCFollowMaryland PSC@MarylandPSC·13m Public comment hearing Mar. 6 in Kent County for Massey Solar project (Case No. 9407). https://t.co/iojiJlTzXJ #CPCN Reply on TwitterRetweet on TwitterLike on TwitterTwitterMaryland PSC@MarylandPSC·16 Feb The @MarylandPSC offices will be CLOSED Monday, February 19 for #PresidentsDay. Reply on TwitterRetweet on TwitterLike on TwitterTwitterRetweet on TwitterMaryland PSC RetweetedPeter Franchot@peterfranchot·18 Feb 2017 This weekend -> no sales tax on qualifying Energy Star products! #ShopMarylandEnergy https://t.co/EbpGa0aSWLReply on TwitterRetweet on Twitter5Like on Twitter4TwitterRetweet on TwitterMaryland PSC RetweetedSMECO@somdelectric·16 Feb Efficiency saves. This weekend, save even more with tax-free shopping on qualified ENERGY STAR appliances. #ShopMarylandEnergy https://t.co/euuA3hyEXzReply on TwitterRetweet on Twitter5Like on Twitter8TwitterMaryland PSC@MarylandPSC·14 Feb REMINDER: Public comment hearing Feb. 20 in LaPlata for MD Solar 2 project CPCN (Case No. 9463). https://t.co/iFwPO5E9Uy Reply on TwitterRetweet on Twitter1Like on Twitter2TwitterLoad More... Location Maryland PSCWilliam Donald Schaefer Tower6 St. Paul St., 16th FloorBaltimore, MD 21202 Contact Phone:(410) 767-8000MD Toll Free: 1-800-492-0474 File a Dispute MarylandUpdated on 2018-01-29T18:40:13+00:00, by Bailee Warsing.