Registered public work contractors in Ontario, New York
20 contractors and subcontractors based in Ontario hold a certificate of registration in the state file of Oct 1, 2026; 1 are MWBE owned and 4 are associated with an apprenticeship program.
| Contractor | Certificate | Expires |
|---|---|---|
| ACIA Construction LLC | 25-64VK3-CR | Jan 7, 2027 |
| Best Construction of Wayne County Inc. | 24-639JJ-CR | Dec 29, 2026 |
| C P Kelly & Associates, LLC CP Kelly & Associates LLC | 26-69BR9-CR | May 29, 2028 |
| CMI Structural Solutions | 24-639JT-CR | Dec 29, 2026 |
| Connors-Haas, Inc. | 24-63AGH-CR | Dec 29, 2026 |
| Douglas C Bond Black Dog Trucking | 25-65L58-CR | May 14, 2027 |
| Flower City Elevator, Inc. | 26-676VU-CR | Feb 2, 2028 |
| FRED A. NUDD CORPORATION | 26-64DX5-CR | Dec 29, 2028 |
| GreenSpark Solar SUSTAINABLE ENERGY DEVELOPMENTS, INC. | 24-64GVZ-CR | Dec 29, 2026 |
| Hamel Powerflow LLC | 25-654I7-CR | Jun 5, 2027 |
| JKR Controls | 24-64BX6-CR | Dec 29, 2026 |
| JOSEPH ARTUSO DBA JM ARTUSO TRUCKING | 25-65O4Y-CR | Apr 30, 2027 |
| Keaton Hawk Trucking | 25-6H8OQ-CR | Jul 21, 2027 |
| NRDB Utilities LLC | 26-66NU8-CR | Feb 17, 2028 |
| Nuts and Volts Electrical Inc. | 26-664VI-CR | May 6, 2028 |
| SCHREIBER EXCAVATING, LLC | 25-67DIZ-CR | Oct 29, 2027 |
| SCHUMAKER CONSTRUCTION TS INC. | 25-641AC-CR | Jan 28, 2027 |
| THURSTON DUDEK, LLC | 26-634UE-CR | Dec 29, 2028 |
| Van Hee Heating Service, Inc. | 25-64PT1-CR | Jan 13, 2027 |
| VT. Costanzo Trucking | 25-64JAX-CR | Jan 2, 2027 |
Alphabetical order — this site ranks no one. Certificates in the New York State Department of Labor file of Oct 1, 2026. Absence from a list is not proof a contractor is unregistered. How to read this.