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- Knox CountyMount Vernon, OH
- Knox County 9-1-1Mount Vernon, OH
- Knox RoofingDayton, OH
- KNS SERVICES INCPlain City, OH
- Kns Services Inc.Plain City, OH
- Knueve & Sons IncDefiance, OH
- Knueve & Sons IncPaulding, OH
- Knueve & Sons Inc Plumbing-HeatingFindlay, OH
- Knueve & Sons Inc.Findlay, OH
- Knueve & Sons Inc.Kalida, OH
- Knueve & Sons Inc.Kalida, OH
- Knueve and SonsFindlay, OH
- Kobella Plumbing Heating CoolingChesterland, OH
- Kobella Plumbing Heating CoolingPainesville, OH
- Koble Plumbing LLCCovington, OH
- Koby Electric, Inc.Massillon, OH
- Koch Aluminum Manufacturing, Inc.Sandusky, OH
- KOCH REFRIGERATIONCincinnati, OH
- KOCH REFRIGERATIONCincinnati, OH
- Koch RefrigerationCincinnati, OH
- Kochis Appliance Heating & AirMillfield, OH
- Kodash Excavating, Inc.Mantua, OH
- KODIAK CONSTRUCTION INCAvon, OH
- Kodiak Construction Inc.Avon, OH
- Kody Beal LLCReynoldsburg, OH
- Koehler Plumbing Ltd.Powell, OH
- Koehler Surveying, Inc.Upper Sandusky, OH
- Koenig Professional PaintingWesterville, OH
- Koenig Security and Electronics, Inc.Paulding, OH
- Koepfer Brad WNew Riegel, OH
- Koester Electric Inc.Coldwater, OH
- Koesters SpoutingCelina, OH
- Kogge ElectricSaint Marys, OH
- Kogge Plumbing & Heating, Inc.St. Marys, OH
- Kohli Masonry IncPandora, OH
- Kohn's Heating and Cooling LLCWaverly, OH
- KOI ELECTRIC LLCMadison, OH
- Koi Electric LLCMadison, OH
- Kokhanevich Electric,LLCMedina, OH
- Kokosing Construction Co.inc.Fredericktown, OH
- KOKOSING CONSTRUCTION COMPANY, INCWesterville, OH
- Kokosing Construction Company, Inc.Westerville, OH
- Kokosing Industrial IncWesterville, OH
- Kokosing SolarAthens, OH
- Kokosing SolarWesterville, OH
- Kolb Electric Inc.Bryan, OH
- Kolker Plumbing Inc.Dayton, OH
- Kollstedt PlumbingFairfield, OH
- Kollstedt Plumbing & SonHamilton, OH
- Kolorworks LLCColumbus, OH
- Komar Anchor PlumbingYoungstown, OH
- Konecranes IncSpringfield, OH
- KONECRANES, INCSpringfield, OH
- Kool Ease Inc.Middletown, OH
- Koontz Wagner ElectricLima, OH
- Koop’s Septic ServiceHolgate, OH
- Koop's Septic Service LLCHolgate, OH
- Koops's Septic ServicesHolgate, OH
- Koorsen Fire & SecruityMansfield, OH
- Koorsen Fire & SecurityColumbus, OH
- Koorsen Fire & SecurityBlue Ash, OH
- Koorsen Fire & SecurityCincinnati, OH
- Koorsen Fire & SecurityColumbus, OH
- Koorsen Fire & SecurityDayton, OH
- Koorsen Fire & SecurityDover, OH
- Koorsen Fire & SecurityHolland, OH
- Koorsen Fire & SecurityMansfield, OH
- Koorsen Fire & SecurityWadsworth, OH
- Koorsen Fire & Security Inc.Columbus, OH
- Koorsen Fire And SecruityMansfield, OH
- Koorsen Fire And SecurityDayton, OH
- KOORSEN FIRE and SECURITYBlue Ash, OH
- Koorsen Fire And SecurityDayton, OH
- KOORSEN FIRE AND SECURITY INCCleveland, OH
- Koorsen Fire And Security IncColumbus, OH
- Koorsen Fire And Security Inc.Cleveland, OH
- Korman Construction CorporationColumbus, OH
- Korosy Handyman Services LLCAlliance, OH
- Korrect Plumbing Heating & Air CondDayton, OH
- Korrect Plumbing Heating And Air CondDayton, OH
- Korrect Plumbing, Heating & A/C, Inc.Dayton, OH
- Korrect Plumbing, Heating & Air Conditioning, Inc.Dayton, OH
- Korrect Plumbing, Heating & Air Conditioning, Inc.Troy, OH
- Korte Heating & CoolingWest Milton, OH
- Kortokrax Plumbing Heating & Air ConditioningHaviland, OH
- KOSSLER ELECTRIC LLCGreenville, OH
- Kossler Electric LLCGreenville, OH
- Kostoff Construction, LLCCincinnati, OH
- KOTASEC INCORPORATEDDayton, OH
- Kotasec IncorporatedDayton, OH
- Kotz Electrical & Mechanical Services Inc.Fairfield, OH
- KOTZ ELECTRICAL AND MECHANICAL SERVICES INCWest Chester, OH
- Kotz Electrical And Mechanical Services Inc.West Chester, OH
- Koury, Jack:tarr, David T (dba Perry Storage Mgmt Inc)Massillon, OH
- Kovacs <em>Lawn</em> <em>Care</em>, LLCCincinnati, OH
- Kowall Contracting Ltd.Seven Hills, OH
- Kozik Plumbing & Heating Inc.Galion, OH
- KOZIK PLUMBING and HEATING INCGalion, OH
- KOZIK PLUMBING and HEATING INCGalion, OH
- KOZIK PLUMBING and HEATING INCGalion, OH