- Magnesita Refractories Company
549300IN98U1ZL9H4R74United StatesYorkLapsed - not renewed
- Mahoning Valley Convalescent Home, Inc
254900EETY6L68A6R057United StatesLehightonLapsed - not renewed
- MAILING SERVICES OF PITTSBURGH, INC.
2549002Q6Z5KV39UF374United StatesMONACALapsed - not renewed
- MAINLINE METALS, INC.
549300LC5M6RYA55FE98United StatesBALA CYNWYDLapsed - not renewed
- Mainstream International Corp.
549300R6DX4BRJTDYK49United StatesStockertownLapsed - not renewed
- Mainstream Swimsuits, Inc.
549300FUWLUPO00O4F48United StatesEastonLapsed - not renewed
- MANCINI'S BAKERY, INC.
5493004JE5P4SD4V4F41United StatesMCKEES ROCKSLapsed - not renewed
- Maple Leaf Village, Inc.
549300G8YIRIZ64N5616United StatesOld ForgeLapsed - not renewed
- MARCKISOTTO MARKETS, INC.
549300RZ46EVY3MOIN02United StatesPittsburghLapsed - not renewed
- MARKEL CORPORATION
549300IETJ52ZAOKDZ18United StatesPLYMOUTH MEETINGLapsed - not renewed
- MARONDA, INC.
254900PMQPC3KB5LZL70United StatesIMPERIAL
- Mars Bancorp, Inc.
549300IQRNMQBE86XW17United StatesMarsLapsed - not renewed
- Mars Fishcare North America, Inc.
549300OON6WWAXHL4794United StatesHarrisburgLapsed - not renewed
- MARTIN'S FAMOUS PASTRY SHOPPE, INC.
549300CS9QNACP2WPC70United StatesCHAMBERSBURG
- Masser Farms Realty, Ltd.
5493006Q778HAJP58I37United StatesHUBLEY TOWNSHIPLapsed - not renewed
- Mastech Digital, Inc.
549300GD5HFB0F451006United StatesMoon TownshipLapsed - not renewed
- MATTHEWS INTERNATIONAL CORPORATION
549300ZVC5O0ATML6U61United StatesPITTSBURGH
- Mattioni Services, Inc
25490090R41B0LM4OV24United StatesDowningtownLapsed - not renewed
- MAUGER AND COMPANY, INC.
549300P1XP3UNKN5SF49United StatesPhiladelphiaLapsed - not renewed
- MAURER & SCOTT SALES, INC.
549300MKQK0PGKSCFI75United StatesCoopersburgLapsed - not renewed
- MAX International Converters, Inc.
5493003GFGOYSRFC3G50United StatesLancasterLapsed - not renewed
- MAXPRO TECHNOLOGIES, INC.
549300OZHP0HLLCT5E13United StatesERIELapsed - not renewed
- Maxx Orthopedics, Inc.
9845002F389F5LCS1F56United StatesNorristown
- McCarter Transit, Inc
549300IYQDQVT0CR7M49United StatesBeaver FallsLapsed - not renewed
- MCCARTHY TIRE SERVICE COMPANY
549300F8KUSMZVW4F530United StatesWILKES-BARRELapsed - not renewed
- MCCARTHY TIRE SERVICE COMPANY OF DICKSON CITY, INC.
549300I3XXCU4610Y894United StatesWILKES-BARRELapsed - not renewed
- McCARTHY TIRE SERVICE COMPANY OF NEW YORK, INC
5493003E6I5CURVG3C81United StatesWilkes-BarreLapsed - not renewed
- MCC International, Inc.
549300UH18MOGZK16N68United StatesCecil TownshipLapsed - not renewed
- McClarin Plastics, Inc.
5493007L2XCM7U12VF88United StatesHANOVERLapsed - not renewed
- MCCLEARY OIL CO. INC.
549300V34EBQ5N50TE71United StatesChambersburg
- McCormick Taylor, Inc.
549300B4GPXAT3AVUK71United StatesPHILADELPHIALapsed - not renewed
- MCCOY BROTHERS, INC.
549300VIFJBZ16EW9Z51United StatesCarlisleLapsed - not renewed
- MCGRORY GLASS, INC.
549300SLOXM2V3OLFU71United StatesASTONLapsed - not renewed
- MCLAUGHLIN'S HOME HEATING SERVICE, INC.
549300IV0MCTHTMLPI16United StatesROUZERVILLE
- McNeil Consumer Pharmaceuticals Co.
549300RY42KVW65NLU83United StatesFort WashingtonLapsed - not renewed
- MCS Far East, Inc.
54930087MHHCBCZ7K470United StatesEastonLapsed - not renewed
- MCS Industries, Inc.
54930071T705QE7CKH75United StatesEastonLapsed - not renewed
- M.D.F. TECHNOLOGIES, INC.
549300X8MDVFRX9TAI12United StatesPittsburghLapsed - not renewed
- Measel-Bruce, Inc.
54930076JCKHSSE2NY48United StatesNew CastleLapsed - not renewed
- Mechanicsburg Automotive, Inc.
254900E58W3JJT3JPS46United StatesDOYLESTOWNLapsed - not renewed
- MECKLEY'S LIMESTONE PRODUCTS, INC.
5493002X6CBM6EE65L93United StatesHerndonLapsed - not renewed
- MEDAMERICA INSURANCE COMPANY
254900E9EN9Q8DCFNH80United StatesPittsburgh
- Medical Service Associates Inc.
549300HC79N5XPMV4344United StatesPittsburghLapsed - not renewed
- Medtrition, Inc.
984500E570JEEC0F8439United StatesLANCASTER
- Megha Real Estate Holding Company
549300IRQECPBJJ6KT45United StatesBensalem TownshipLapsed - not renewed
- MELCON INVESTMENTS, INC.
549300GW6FD8OW9KNY18United StatesHARRISBURGLapsed - not renewed
- Melind Corporation
549300RFQCTSJKG1Y705United StatesHuntingdon ValleyLapsed - not renewed
- MENU MATE MUSHROOM FARMS, INC.
549300QW4J583YNICL84United StatesWEST GROVELapsed - not renewed
- MERCER COUNTY STATE BANCORP, INC.
549300UJ10PYJY7N1I77United StatesSANDY LAKE
- MERCER-VU FARMS, INC.
549300MVI8MS3RAFLQ84United StatesHarrisburgLapsed - not renewed
- Meridian Hotels Inc.
549300SQTZCVOZSXLR22United StatesChurchvilleLapsed - not renewed
- Messick Farm Equipment Inc.
254900SWNIU3TL0SQO79United StatesElizabethtownLapsed - not renewed
- METAL EDGE INTERNATIONAL, INC.
5493009XPR811D8NK551United StatesNORTH WALES
- Metal Traders, Inc.
549300O0KGH6JUN55U70United StatesHorshamLapsed - not renewed
- Met Prod Holdings, Inc.
549300IT6IENMGA1B457United StatesWest ChesterLapsed - not renewed
- Meyer Oil Company
549300H5H869SIPKM512United StatesLebanonLapsed - not renewed
- Mezan Management, Inc.
549300OYNQ404DSV0482United StatesPittsburghLapsed - not renewed
- M G B Realty, Inc.
549300PSV7X8NKTYPC78United StatesSelinsgroveLapsed - not renewed
- M. H. EBY INC.
5493006JZOTM5OP70K25United StatesBlue BallLapsed - not renewed
- MiCol, Inc
549300QXGA6PV3M49M36United StatesBeaver FallsLapsed - not renewed
