Founded in 1976, Kirksey Machine Co. Inc. is a full-service, one stop valve modification specialist. The firm s more than 30,000 square foot facility offers a complete range of valve modifications and testing services. It offers a full range of gate, globe, ball and check valve modifications, such as trim conversions, RTJ conversions, extended bonnets for cryogenic service, flange attachments, oxygen and chlorine cleaning, gear mountings, extensions, packing and gasket changes, by-pass installations, purge connections, soft seating, disc and seat inserts, acid shields and testing among others. Based in Houston, Texas, Kirksey Machine Co. Inc. is an ISO 9001:2000 certified facility.