About ATC Pest Control

Your trusted source for full-service pest control solutions.

Providing You With The Pest Protection Your Property Needs

When pests invade your home, you want them gone – fast. That’s why ATC Pest Control is here. We’re a local and family-owned pest control company that provides comprehensive, reliable pest solutions in Baltimore, MD and surrounding areas with quality customer service. We’ll work quickly to identify the source of your problem and provide effective solutions so you can enjoy a safe and comfortable living environment again.

Our team of experts specializes in both preventative and corrective pest control measures. From insects to rodents, we guarantee results with a 100% satisfaction promise. Contact us today to keep your pest problem from getting out of hand. We’re here for you!


Reasons To Choose ATC Pest Control

At ATC Pest Control, we understand how overwhelming it can be when pests invade your property and the threats they can pose to health and safety. That’s why we strive to provide our customers with the best possible service and results. Our team of highly trained technicians is dedicated to providing excellent customer service, quality workmanship, and safe pest control solutions that are tailored to your individual needs.

When you entrust us with your pest control needs, you can expect:

  • Fast, reliable service
  • High-quality, long-lasting results
  • Affordable rates and convenient payment plans
  • Safe and effective pest control solutions
  • A 100% satisfaction guarantee on all services

We take pride in being a locally owned and family-operated business, committed to protecting homes and businesses from pests while providing superior customer service every step of the way. So when quality counts, count on ATC Pest Control. Get in touch today for more information or to schedule an appointment. We look forward to serving you.

Count On Our Commitment To Excellence In Pest Control

At ATC Pest Control, our commitment to customer satisfaction has earned us a reputation as one of the most trusted and reliable pest control companies in the region. We never cut corners when it comes to quality, and we always strive to provide superior service.

We value you and your safety above all else, so we go out of our way to ensure that our services are always effective, efficient, and safe for both people and pets. Contact us today to experience the ATC Pest Control difference.

Satisfaction Guaranteed

We are so confident in the quality of our work that we stand behind it with a 100% satisfaction guarantee. If the pests come back, so do we – free of charge.

Customized Solutions

We know that no two pest issues are the same. Our team of experts will work with you to develop a customized plan that meets your individual needs. We’ll identify the source of the problem and provide effective solutions designed to match your needs.

Children and Pets Prioritized

Your family’s health and safety are top priorities. All of our pest control solutions are effective yet pet and child friendly, so you can rest assured knowing your family is safe.

Meet The Team

Get to know the talented and passionate individuals who make up our team. From experienced professionals to creative minds, each member brings a unique set of skills and expertise to our organization. We believe in the power of collaboration and teamwork, and our team is dedicated to delivering exceptional results and exceptional service.

Caryn and Bryan Guderjohn

Caryn Guderjohn is the President of ATC and oversees all HR programs. She is Bryan’s wife (of 31 years) and the mother of Ashley, Tyler, and Christopher. Caryn enjoys spending time with all her grandchildren and watches them during the day for Ashley and Wynter while they work in the office.

Bryan Guderjohn is the CEO of ATC. He is the Chief International Bird Engineer and travels the world for bird work. He is the host for ATC’s weekly radio show and oversees our Mold and Construction divisions. Bryan is Caryn’s husband (of 31 years) and the Father of Ashley, Tyler, and Christopher. He was in the US Army for 12 years and enjoys camping and anything to do with his Jeep.

Ashley and Matt Almony

Ashley Almony is the Office Manager for ATC and oversees the DIY (Do-it-yourself) Kits, A/R, A/P, as well as licensing. She is also the hostess for ATC’s weekly radio show. Ashley has been married to Matt for the past 10 years and they have two children, Jaxon (8) and Mackenzie (6). She is also on her way to becoming an IBCLC (International Board-Certified Lactation Consultant) but has no plans on leaving ATC.

Matt Almony is ATC’s Senior Technician and is responsible for all our commercial business accounts. He has been married to Ashley for the past 10 years and is the father to Jaxon (8) and Mackenzie (6). Matt enjoys his bowling league and is captain of his team.

Wynter and Tyler Guderjohn

Wynter Guderjohn is the Assistant Manager in the office and oversees all daily operation goals. She is a master at reporting and handles all filing. Wynter has been married to Tyler for the past 5 years and they have two children, Grayson (3) and Iyla (2). 

Tyler Guderjohn is the Operations manager, Termite Expert, as well as the K9 handler. He maintains all of Lewy’s Bed Bug training and performs all of ATC’s termite treatments and K9 inspections. He has been married to Wynter for the past 5 years and is the father to Grayson (3) and Iyla (2)

Christopher Guderjohn

Christopher Guderjohn is our Bed Bug Specialist and handles all our Bed Bug treatments. His vast knowledge of a Bed Bug’s chemistry and biology makes him a Bed Bug Specialist at the top of his field. Chris is a drummer in his band, Morimvr, he also works in the Solar Panel field and enjoys long walks on the beach.

Dorian Chase

Dorian Chase is ATC’s Scheduling Coordinator and handles all our daily activities and schedules. He has been with our ATC family for 2 years now and has a degree in Engineering and a degree as an IT Specialist/Data Analysis.

Ian Woolhouse

Ian Woolhouse (Woolie) is our newest Technician and member to the ATC family. Several years ago, he moved here from London, England right next door to Tyler and Wynter. Woolie has been married to his wife Laura for 2 years.


Lewy is our 8-year-old Bed Bug detector. He can locate just 1 live Bed Bug or egg and is toy rewarded. Lewy is constantly trained to the highest standards and is over 99% accurate. He lives with Tyler and Wynter.