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- William M. Thompson ElectricRandleman, NC
- William Manuel VierraDurham, NC
- William Marion ErdelLocust, NC
- William Marion LytleFletcher, NC
- William Marshall See IIIWINSTON SALEM, NC
- William Martin AlmonCharlotte, NC
- William Marvin WheelerRoanoke Rapids, NC
- William Michael CorriherGreensboro, NC
- William Michael JonesSeagrove, NC
- William Michael McDonald IIGarner, NC
- William Michael Nowell Sr.Castle Hayne, NC
- William Mike GarrardDurham, NC
- William Nash DugginsAsheboro, NC
- William Nicholas MaioccoKings Mountain, NC
- William Nicholson Creel IIIRaleigh, NC
- William Norris Bullock, Jr.Julian, NC
- William O. Carter Jr.Kernersville, NC
- William O'Neal PriceSwansboro, NC
- William OceanDurham, NC
- William Odie BradleyWashington, NC
- William Oscar FloydRaleigh, NC
- William P. Spillane IIIStatesville, NC
- William Parrish Plumbing, Inc.Carolina Beach, NC
- William Patrick LutzShelby, NC
- William Patton Burgin Jr.Waynesville, NC
- William Paul LancasterNew Bern, NC
- William Paul VacaGastonia, NC
- William Preston HardisonLa Grange, NC
- William R Kisiah IVIndian Trail, NC
- William R. SimmonsCharlotte, NC
- William R. SummerlinDenton, NC
- William R. Woodard Jr.Stanfield, NC
- William Radford FrazierOxford, NC
- William Raeford JacksonBenson, NC
- William Randall CarleyMoyock, NC
- William Randall WrenSmithfield, NC
- William Randolph SartwellEmerald Isle, NC
- William Randolph StatenFayetteville, NC
- William Ray Turner IIIComo, NC
- William Renshaw MooreLincolnton, NC
- William Robert CoxMars Hill, NC
- William Robert ErwinNewton, NC
- William Robert KisiahMonroe, NC
- William Robert SwainOakboro, NC
- William Robert WalserLexington, NC
- William Robin PerkinsMaiden, NC
- William Robinson PridgenMurfreesboro, NC
- William Roger BurtonBethel, NC
- William Rufus Straughn JrSalisbury, NC
- William Russ PateRichlands, NC
- William S. AdamsBridgeton, NC
- William S. Milliken Jr.High Point, NC
- William S. Richard Electrical ContractorLawndale, NC
- William Scott PerkinsMorganton, NC
- William Sean SpidelMooresville, NC
- William Shawn WoodardLewisville, NC
- William Starnes Miller Jr.Mooresville, NC
- William T. Murphy PlumbingMebane, NC
- William Terry BrehmFayetteville, NC
- William Terry CarterCary, NC
- William Thomas BrittSanford, NC
- William Thomas DailRALEIGH, NC
- William Thomas EdwardsWashington, NC
- William Thomas Edwards IIGreenville, NC
- William Thomas FreyCharlotte, NC
- William Thomas Jones JrDover, NC
- William Thomas NeelyStatesville, NC
- William Thomas SkinnerKinston, NC
- William Thomas UnderwoodWilkesboro, NC
- William Thomas Winchester JrSpruce Pine, NC
- William Thomas Winchester Jr.Spurcetown, NC
- William Timothy WallWilmington, NC
- William Todd LedfordLincolnton, NC
- William Townsend ElectricLumberton, NC
- William Townsend ElectricLumberton, NC
- William Tyler ChappellApex, NC
- William Tyler SpencerMooresville, NC
- William Van ManuelBeaufort, NC
- William Vance ElectricNakina, NC
- William Wallace LawlerRAEFORD, NC
- William Wallace Wells IIIAsheville, NC
- William Wendell Spidel Jr.Davidson, NC
- William Woodrow Carriker IIIHarrisburg, NC
- William Young JonesLouisburg, NC
- William Zachary DavisLaurel Springs, NC
- William Zachary LanningLincolnton, NC
- William-Bradford Design-Build, LLCPfafftown, NC
- Williams & Lamm Electric CompanyRocky Mount, NC
- Williams & Son Electrical ContractorsNewport, NC
- Williams & Son Plumbing, Inc.Holly Ridge, NC
- Williams Construction & Cabinetry Inc.Robbinsville, NC
- Williams ElectricStokesdale, NC
- Williams Electric Service LLCDenton, NC
- Williams Electric Utility Services, LLCGastonia, NC
- Williams Electrical ContractingGrifton, NC
- Williams Electrical ServicesEveretts, NC
- Williams Excavating, L.L.C.Statesville, NC
- Williams Fire Sprinkler Co., Inc.WILLIAMSTON, NC
- Williams Fire Sprinkler Inc.-Automatic Fire SystemsWilliamston, NC
- Williams Fuel Acquisition Inc.Wadesboro, NC