Stephen Krosoczka - President
At Sem-Tec, we pride ourselves in providing custom made valve balls manufactured in the USA along with world-class support.
Deborah Dowdy - Sales Coordinator & Office Manager
Deb's detail-oriented personal approach guarantees our customers receive the products they require in a timely fashion.
Jeff MaNcini - Plant General Manager
Jeff's dedication to efficiency and loyalty to our company is paramount in ensuring effective production. His creative-minded approach ensures our customers needs are met. Jeff's 40 years of experience at Sem-Tec makes him our greatest asset!