4.9 
24 *The Angi rating for Pest Control companies in Mount Vernon, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Pest Control needs.
*The HomeAdvisor rating for Pest Control companies in Mount Vernon, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Pest Control needs.
Last update on May 28, 2026
Serving Mount Vernon, IL and surrounding areas
Approved
In business since 1927
Free estimates
Warranties offered
"Very knowledgeable guy who seem to know what he’s doing. Don’t know results of spraying. Have had much rain since. Will have to see if it worked. Terminex will spray again the beginning of next month."
+2
Serving Mount Vernon, IL and surrounding areas
In business since 1927
Free estimates
Credit card accepted
"We found evidence of termite infestation. They responded quickly and inspected property the following day. Price was reasonable and employee was knowledgeable. He explained scope of work and options thoroughly. We added pest control as additional price was very reasonable. Work was performed the following day and we are satisfied with service."
+2
Serving Mount Vernon, IL and surrounding areas
In business since 1913
Free estimates
Credit card accepted
"Tech was on time and professional, did his job quickly. Now only time will tell if it ends my big problem, they do have a monthly payment plan and come out quarterly with garinty to stop any pest problem Thanks RP"
Serving Mount Vernon, IL and surrounding areas
In business since 1927
Free estimates
Warranties offered
"Terminix provides excellent pest extermination and mosquito control services. They investigate and give comprehensive treatment services. I highly recommend their services."
+8
Serving Mount Vernon, IL and surrounding areas
In business since 1927
When it comes to protecting homes, Terminix has satisfied more customers than any other insect and pest control company in the industry, with more than 15 million service visits annually.
Serving Mount Vernon, IL and surrounding areas
In business since 1971
Credit card accepted
"United Air Temp was able to procure a replacement furnace controller board in a couple of days and Zachary was out within 4 days of the initial visit. The furnace now works very well."
+2
From average costs to expert advice, get all the answers you need to get your job done.
Whether you have bugs, bats, or rodents invading your home, you’ll want to contact an exterminator quickly. Find out how much pest control costs.
Pest control services offer a professional option to eliminate serious infestations in your home. Here’s what to expect.
Are pest control services safe? Learn the risks of using pest control, common types of treatment, and ways to make it safer.
Is pest control worth it? Learn how a pest control plan works, how much it can cost, and the benefits of calling in the pros.
Considering do-it-yourself pest control? Find out the best DIY pest control methods for various pests and when to call in a pro instead.
If you’ve noticed pests in your home, it’s time to take immediate action. But how can you prevent a huge bill? There are a few ways.
