ESCO Technologies, a manufacturer of highly-engineered filtration and fluid control products for the aviation, agreed to acquire Phenix Technologies, a designer and manufacturer of stationary and portable test systems and components supporting the electric industry. Financial terms are not disclosed. “I’m excited to welcome the dedicated employees of Phenix, and I look forward to working with the management team who has worked diligently and successfully over the years to grow this outstanding company into what it is today," Vic Richey, ESCO’s Chairman and CEO.