Great Prices on Pest Control Services For Your Home or Business Unitech Pest and Termite Services is a full-service, professional pest management company located in St. Louis, Missouri. We stand prepared to eliminate unwanted pests in your home or business. Our fast, courteous and professional staff will listen to your concerns and promptly answer any questions you have regarding our methods of pest removal and the costs associated with it. Whether it is ants, roaches, bed bugs, termites, or rodents that are giving you problems, Unitech Pest and Termite Services has an exterminator plan that’s right for you.