About Whitman Controls

Whitman Controls specializes in the manufacture of miniature pressure, vacuum, temperature, and liquid level switches. The company prides itself on the diversity and quality of its product offering, proven by its ISO 9001 certification and the industry leadership position the firm has held for over 40 years. As a Service-Disabled Veteran-Owned Small Business, we believe in applying the same principles of military service to our every day 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. 

Whitman is built on our extensive offering of high quality, customized switches. We can build and ship a switch to your exact specifications in two weeks or less, with overnight shipping on in-stock models! Don't choose a competitor switch 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 Whitman 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 Whitman was built: high quality products with an unrelenting focus on customer service. Thank you for your commitment and loyalty to Whitman Controls over the years. 


The Whitman Value - High Quality Switches, Fully customizable, with an unrelenting focus on Superior Service

Whitman Controls has been a leader in the pressure, vacuum, and liquid level switch industry for over 40 years. The Whitman Value is built on our differentiated offering of high quality switches, and the ability to deliver product to EXACT customer specifications in two weeks or less. Off the shelf switches 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, designed to customer specifications in two weeks or less, with an unrelenting focus on superior service - Together they add up to the Whitman Value.


ISO 9001 Certified - We Hold Ourselves, and Our Products, to the Highest Standards

Whitman Controls is ISO 9001:2015 Certified, which gives 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 regulatory requirements and will outperform your desired expectations. 


Experience And Knowledge, That's Invaluable.

Whitman Controls 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. In addition, our exceptional mechanical abilities allow us to perform additional assemblies and deliver more complete tested systems and subassemblies.


Diversified Product Offering - More Choices and More Savings.

We offer the most extensive pressure, vacuum, and liquid level switch offering in the industry. What does this mean for you? The ability to identify a switch that is suited perfectly for your application at a price that doesn't break your budget. At Whitman, 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 12" standard offering? Looking for a 1/4" NPT fitting instead of 1/8" NPT? Need Teflon tape or Loctite Vibraseal on your fitting? 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 any end-user requirements.


At The Other End, Whitman Can Handle Wire Harness Assemblies Too.

As a UL and CSA approved harness assembly house, Whitman can do your next level of assembly. With our capabilities we can provide "value-added" benefits top to bottom. Whitman can guarantee leak free subassemblies and can handle a wide variety of switch mounts in customer designed systems. From T's to elbows, we will purchase and assemble parts and switches to your specifications.


If you have any questions, we encourage you to contact us directly at 860-583-1847 or [email protected]


We look forward to building our partnership with you.




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