About Us


Industry Leader

Our products are used in critical and essential processes around the world. Perhaps most well-known is our Magnehelic® gage, which has been an industry standard since its introduction in 1953.


Dependable Support

We respect that our customers have a choice and we are honored that they choose the best products, manufactured by Dwyer, as a reflection of their own high standards. Available by phone or email, our team can help you with any account, product, or application questions.


Product Innovation

Dwyer has a long history of innovation in designing and manufacturing our own measurement sensors that provide superior product performance.


U.S.A. Manufacturing

We manufacture quality products. It's what we do. Since our founding in 1931, Dwyer manufacturing has expanded across several Midwest states, including Indiana, Michigan, and Missouri. For us, it’s not enough just to support U.S. based jobs. We focus on designing and assembling our products in the United States.

Some quick facts about us: 

  • We offer a 3 day average time for build to order
  • Our products are high quality, as expected from a domestic manufacturer
  • Dwyer holds over 650 technical patents, and that number grows every year

Why Dwyer

Dwyer delivers high value environmental solutions combined with the best experience in the industry for our customers and partners.

The attributes that will empower us to achieve our goals include customer focus, accountability, collaboration, innovation, and agility.



Indoor Environmental Quality

Dwyer Instruments is the premiere manufacturer and innovator of sensors that make up the heating, cooling, and ventilation systems found in our daily lives.


Critical Environments

Dwyer’s extensive range of monitoring equipment allows for precise control of contained environments, ensuring compliance with regulations.


Process & Environmental Industries

Our solutions can be found worldwide, improving the environment through the water we drink, the food we eat, the air we breathe, and the technology that we use.


Come Work With Us!

We are committed to developing and retaining people who bring a passion for excellence. One aspect that never changes is how much we value our employees. Here at Dwyer, employees are an important contribution to our continuing success and more than just a number on a paystub.

View Available Positions