- A.P. O’Horo Company
- Adelta Construction
- Al Neyer
- All Aspects Contracting
- Allard Excavation LLC
- Armstrong Steel Erectors Inc.
- Axis Civil Construction LLC
- Barrett Paving Materials Inc.
- Beaver Excavating Company
- Beaverdam Construction Inc.
- Brumbaugh Construction
- Capital Construction Services, LLC..
- Cash Services Excavating, LLC.
- CG Construction & Utilities, INC.
- City of Fairfield, Ohio
- City of Lebanon, Ohio
- City of Zanesville, Ohio
- Columbus Asphalt Paving Inc.
- Complete General Construction Company
- D.G.M., INC.
- Darby Creek Excavating, Inc..
- Decker Construction Company
- Digioia-Suburban Excavating, LLC
- Double Jay Construction Inc.
- Double Z Construction Co.
- Driven Excavating LLC.
- Dugan & Meyers Construction Co.
- Eagle Bridge Company
- Eaton Asphalt Paving Co., Inc.
- Fabrizi Trucking Paving Co., Inc
- FCL Builders
- Fields Excavating Inc
- Fillmore Construction, LLC
- Geddis Paving & Excavating, Inc
- George J. Igel Co., Inc
- Gerken Paving, Inc.
- Global Outdoor Solutions, LLC
- Great Lakes Construction Co.
- Great Lakes Crushing, Ltd.
- Great Parks of Hamilton County
- Hamilton County Soil and Water
- Helms & Sons
- Hillabrand & Sons Construction
- Howell Contractors, INC
- Independence Excavating
- D. Williamson Construction Company Inc.
- S. Bova Excavating, LLC
- John R. Jurgensen Company
- Jutte Excavating Inc
- Kanawha Stone Company
- Karvo Companies
- Kelchner/ Wood Excavating
- Kenmore Construction Co.,Inc
- Kokosing Construction Company
- J. DeWeese Co.Inc.
- Liberta/Coiffi Construction
- Lindy Paving
- Lockhart Concrete Co.
- Mark Haynes Construction
- Marucci & Gaffney Excavating Company
- Milcon Concrete, Inc.
- Miller Brother Construction, Inc.
- Mosser Construction
- Nationwide Construction Group
- Nickolas Savko And Sons,Inc.
- O’Rourke Wrecking Co.
- Ohio-West Virginia Excavating
- Peterman Associates, Inc.
- Perk Company, INC
- Pond
- Prus Construction
- Queen City Mechanicals, Inc.
- Rack & Ballauer Excavating Inc.
- Rudzik Excavating
- E.T. Inc
- Schirmer Construction LLC
- Shelly and Sands INC
- Skeens Excavating
- Sona Constructions, LLC
- Strawser Paving, Inc.
- Suburban Maintenance & Construction, Inc.
- Sunesis Construction Company
- The Righter Company, Inc
- The Ruhlin Company
- The Shelly Company
- Tom’s Construction, Inc
- Trax Construction Company
- Tri Mor Corporation
- Trucco Construction
- Underground Utilities,Inc.
- Vernon Nagel, Inc
- VTF Excavation, LLC
- Walsh Construction Company
- Ward Construction Co.
- Welsh Excavation Company, Inc
- WG Stang, Inc.
