Our products are known for being reliable, economical and tough as nails. Manufacture of the Challenger Series Rotary Vane Va ... cuum Pumps, High Vacuum Tri-Lobe Blowers and Tank Components. We embody the spirit of American manufacturing and innovation. We design, build, support and ship our products from our state-of-the-art 120,000 square foot manufacturing facility in Traverse City, Michigan. We also have a warehouse and service location in Texas. Any issues or questions will be fielded by trained professionals within the United States. We are always close by and happy to accommodate your needs. After 40 years, we’re just getting started... read more