Best Licensed Pest Control Companies in Ontario, CA
10 pest control companies registered in Ontario hold current SPCB licenses, verified against official records as of August 21, 2026. The 8 below are the top-ranked, ordered by years licensed.
How we chose: We identified 10 companies registered in Ontario. 10 passed license verification. The 8 below are the top-ranked of those. Our methodology
We earn a fee when you call businesses through numbers on this site. This never affects who is listed or how they rank.
- Verified
- August 21, 2026
- Licensed since
- 1996
- Verified
- August 21, 2026
- Licensed since
- 2006
- Verified
- August 21, 2026
- Licensed since
- 2010
- Verified
- August 21, 2026
- Licensed since
- 2013
- Verified
- August 21, 2026
- Licensed since
- 2014
- Verified
- August 21, 2026
- Licensed since
- 2016
- Verified
- August 21, 2026
- Licensed since
- 2017
- Verified
- August 21, 2026
- Licensed since
- 2018
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Dewey Pest Control Co-Dewey Services Inc. | #4562 | Exempt or none on file | 1996 |
| Impressive Exterminating | #5080 | Exempt or none on file | 2006 |
| Ants Plus Pest Control | #6029 | Exempt or none on file | 2010 |
| T&p Solutions Inc. | #6683 | Exempt or none on file | 2013 |
| John De Vries Pest Control | #6974 | Exempt or none on file | 2014 |
| Rest The Pest Pest Control | #7590 | Exempt or none on file | 2016 |
Other services in Ontario
- Plumbers in Ontario, CA
- HVAC Contractors in Ontario, CA
- Electricians in Ontario, CA
- Roofers in Ontario, CA
- Landscaping Contractors in Ontario, CA
- Painters in Ontario, CA
- Pool Contractors in Ontario, CA
- Concrete Contractors in Ontario, CA
- Tile Contractors in Ontario, CA
- Flooring Contractors in Ontario, CA
- Drywall Contractors in Ontario, CA
- Glass & Glazing Contractors in Ontario, CA
- Masonry Contractors in Ontario, CA
- Fence Contractors in Ontario, CA
- Door & Gate Contractors in Ontario, CA
- Cabinet & Carpentry Contractors in Ontario, CA
- Paving Contractors in Ontario, CA
- Stucco & Plastering Contractors in Ontario, CA
- Solar Contractors in Ontario, CA
- Tree Service Contractors in Ontario, CA
- Low Voltage Contractors in Ontario, CA
- Septic Contractors in Ontario, CA
Pest Control Companies in nearby cities
- Pest Control Companies in Chino, CA
- Pest Control Companies in Eastvale, CA
- Pest Control Companies in Montclair, CA
- Pest Control Companies in Upland, CA
- Pest Control Companies in Rancho Cucamonga, CA
- Pest Control Companies in Jurupa Valley, CA
- Pest Control Companies in Norco, CA
- Pest Control Companies in Claremont, CA