Your Partner for OEM Compressors and Pumps

About Thomas – your partner for OEM compressors and pumps for more than 60 years

Thomas, a brand of Ingersoll Rand, has been meeting OEM compressor and pump needs for over 60 years. Simply put, we are specialists in serving original equipment manufacturers to get their job done with over 90% of everything we produce goes into an OEM product.

We know that the performance of our customers' design ultimately depends on the quality and dependability of its components. That's why so many OEMs serving the medical, laboratory, food and beverage, environmental, and automotive/mobile markets have entrusted their reputations to Thomas.

With a wide range of pressure, vacuum and liquid technologies including WOB-L piston, articulated piston, diaphragm, miniature diaphragm, rotary vane, linear and peristaltic, Thomas offers the broadest oil-less product range in the industry. With this vast product offering, Thomas can design an ideal, custom pressure or vacuum solution that can be prototyped and manufactured to meet our customers' precise needs.

We employ over 900 people worldwide. With three manufacturing facilities in North America, Germany, and China, 18 wholly owned group companies, and authorized distributors, Thomas is uniquely positioned to serve customers worldwide.

Ingersoll Rand Inc. (NYSE:IR), driven by an entrepreneurial spirit and ownership mindset, is dedicated to helping make life better for our employees, customers and communities. Customers lean on us for our technology-driven excellence in mission-critical flow creation and industrial solutions across 40+ respected brands where our products and services excel in the most complex and harsh conditions. Our employees develop customers for life through their daily commitment to expertise, productivity and efficiency. For more information, visit