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About Us

Thomas Products is now a brand of Industrial Control Solutions as it has merged with Whitman Controls. Industrial Control Solutions is excited to expand its product offerings, improve its time to market on new and custom products, and continue to provide exceptional customer experiences.

Thomas Products specializes in the manufacture of flow switches, level switches, pump controls, and sight window indicators. The company prides itself on the diversity and quality of its product offering and the industry leadership position its brands have held for over 40 years.

As a Service-Disabled Veteran-Owned Small Business, Industrial Control Solutions believes in applying the same principles of military service to our everyday practices: tireless dedication, rigorous standards of quality, and faithfulness to our values and mission. This translates into providing a high quality product to exact specifications that always exceeds performance expectations.

Industrial Control Solutions is built on our extensive offering of high quality, customized switches and sensors. We can build and ship a sensor solution to your exact specifications in two weeks or less, with same day factory expedite options available. Don’t choose a competitor solution with inferior versatility and performance when we can take into account your application, media environment, and dozens of other specifications to meet all your performance and application needs.

At Thomas Products & Whitman Controls, we are fiercely committed to our clients, particularly those who have been loyal partners for the entirety of our 40+ years of existence. Most importantly, we never lose sight of the core values upon which the Industrial Control Solutions brand was built: high quality products with a focus on customer service. Thank you for your commitment and loyalty to us over the years.

The Thomas Products Value – High Quality Switches, fully customizable, with a focus on Superior Service

Thomas Products has been a leader in the flow and level sensor industry for over 40 years. The Thomas Products Value is built on our differentiated offering of high quality solutions, and the ability to deliver product to EXACT customer specifications in two weeks or less. Off the shelf sensors limit an application’s functionality and versatility – Why choose a competitor switch that results in inferior performance? We take into account your application and media environment, as well as all desired specifications to design a switch that will meet performance needs and exceed your expectations.

Quality switches and sensors, designed to customer specifications in two weeks or less, with an unrelenting focus on superior service – Together they add up to the Thomas Products value.


Quality Guarantee – We Hold Ourselves, and Our Products, to the Highest Standards

Thomas Products uses stringent QC procedures, which give our customers the confidence that we hold our internal processes, and products, to the highest standards of quality and rigorous testing requirements. You can be confident that the product you receive has met all necessary requirements and will outperform your desired expectations.

Experience And Knowledge, That’s Invaluable.

Thomas Products directs its years of design and manufacturing experience toward providing value-added services to our customers. These services can help you lower costs and increase efficiency. Our engineering team will work intimately with you and your team to design a switch that will maximize application performance no matter what the environment. If you ever need immediate phone support, 5 days per week a Thomas Products customer rep is always seconds away.

Diversified Product Offering – More Choices and More Savings.

We have an extensive offering of flow, level, and pump control solutions. What does this mean for you? The ability to identify a switch or sensor that is suited perfectly for your application at a price that doesn’t break your budget. At Thomas Products, we are constantly evaluating our input prices to identify savings we can pass along directly to the buyer. And we do all of this without sacrificing performance and quality.

Numerous Choices & Additional Options – Have it your Way. 

Need additional wire on top of the 24″ standard offering? Need Teflon tape or Loctite Vibra-Seal on your application? Need a custom flow setpoint instead of standard the catalog offering? These are just a few of the numerous additional options that are available to customers on all our switch offerings. You have a need and we have an answer. All our switches can be customized to meet many end-user requirements.

At The Other End, Thomas Products builds custom switches and UL approved parts too.

The company holds numerous patents in its name and continues to provide leading-edge sensors to many customers worldwide. As a manufacturer of UL approved sensors, we can ensure an extra level of safety and compliance across our product offering. Additionally as a manufacturer, we have complete control over the design, engineering, testing, and quality process to offer you proven flow & level sensor solutions. Customers continue to stay with Thomas Products because of the company’s ability to constantly innovate and provide unique products after over 40 years in the flow & level sensor industry.


We can do it at a price that will save you money. Call or email us today and we will give you a quotation on your assembly project.

Quality products, fully customizable, with a commitment to superior service. Together they add up to the Thomas Products Value.