About Us

Passion. Experience. Diligence.


Larry Johonnesson first incorporated Interior Maintenance Specialists with his wife, Pam, in 1993. IMS continues to be family owned and operated in Texas. We consider ourselves craftsman first and foremost, with the goal of providing our customers with the highest quality possible to exceed their expectations.

Since the beginning, IMS has been very involved with many trade organizations including the Institute of Inspection, Cleaning, & Restoration, the International Stone Institute, and the Business Owners and Manager Association of Dallas. We pride ourselves in engaging with the community and often sponsor events.


Get in touch

We at Interior Maintenance Specialists know that finding an honest, efficient floor maintenance company who works to stay in your budget can be challenging. Please contact us to discuss your maintenance needs or to schedule a demo to see how our services can help you.

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Our Staff



Larry Johonnesson

Larry’s love for textiles began during his work in hotels as an engineer. He did carpet cleaning on the side and fell in love with helping people through finding new techniques and products that streamlined services. As he continued, he began including his children in his work. They expanded the company together to include natural stone work, concrete services, and flood services.




Pam Johonnesson

Pam has been integral in the family business since its inception. As she and her husband, Larry, grew the business, she learned the ins and outs of administration, accounting, and supporting the family. Pam amazingly works behind the scenes to make sure everyone is take care of. In her spare time, she can be found baking or spending time with her grandchildren.



Director of Sales and MArketing

Lauren Hampton

Lauren’s main focus is sales and marketing, although she can be found doing just about everything at IMS. She is unafraid to step in and get her hands dirty to make sure that we exceed our customer’s expectations. She is very active in BOMA. Her almost 20 years of experience with the company means that she knows every aspect of the business and uses this knowledge to help customers solve any issues they may have. In her spare time, she can be found caring for her children Ethan, John, and Jackson or watching horror movies.



Director of Research and Development

Jonathan Johonnesson

Jonathan has spearheaded finding new, environmentally friendly, and advanced techniques to streamline our procedures. His knowledge of interiors gives him an amazing amount of expertise, seemingly more than his 20 years in the company would lead you to believe. He’s constantly finding new ways to solve issues many of our customers face, often speaking with them directly to solve their problems. In his spare time, you may find him watching horror movies or spending time with his fiance, Angela.



Lead Administrator and production scheduler

Angela Hudson

Angela has been with IMS for nearly four years. Originally working in sales, she has formed great relationships with many clients. Now as the lead administrator and production scheduler, she keeps the business running through administrative support. She dedicates herself to her work, making sure that customers are promptly taken care through scheduling our demos and service appointments. When she’s not at work, she’s often found doing photography or fostering dogs.



Sales representative

Kaitlyn Neal

Kaitlyn represents the third generation of the family to grow IMS. She focuses on new sales and heads all communications with healthcare facilities, expediting chemical orders, following up with clients, and coordinating communications. In her spare time, she trains her dogs, Pugsley and Opal, and travels with her husband, Greg.



Production Manager

Esteban Lopez

After over 20 years with IMS, Esteban is the head of all of our production crews. He can also occasionally be found helping with sales and research and development. His experience and expertise makes him indispensable to IMS as he is always able to help with clients and our production team to facilitate customer satisfaction. He immigrated from Mexico and has built his life in Texas, where his daughters are now graduated from college or in nursing school. He can often be found spending time with grandchildren in his spare time.