For more than 40 years, O'Keefe Controls Co. has been designing and manufacturing extremely reliable, long-life precision orifices and fluid control devices. The company is recognized worldwide as a leader in both standard and customized solutions where applications demand well-defined fluid flow and level monitoring.

Our products include Precision Orifices, Tamperproof Flow Controls, small and miniature Check Valves, miniature In-Line Screens and Breathers, miniature Stainless Steel Fittings & Bulkhead Connectors, and Pneumatic Float Valves & Level Sensors. The company is also highly regarded for its advanced engineering and technical consultative expertise; all of which is based in our Monroe, CT headquarters and fabrication center.

As an ISO 9001:2015 registered company and a Lean Enterprise, O'Keefe Controls Co. is committed to continuous improvement and customer satisfaction. To clearly convey our commitment to customer satisfaction and product quality, O'Keefe Controls Co. has adopted an organizational chart that puts our customers at the top, celebrates our workers and emphasizes the internal cooperation needed to bring this about.