For 20+ years CM Service Company, Inc. has been servicing its customers with full service thread inspection and CNC Threading. We manufacture Pup Joints 2’-20’ API threads LC, SC & BC and we install hangers, running tools and float equipment with customer or manufacturer third parties welcome. We thread casing manufactured according to API Specification 5CT from mills authorized to use the API Monogram on API Specification 5CT Products. We offer the standard API range of round thread (SC and LC) and Buttress Threads: 4 ½” – 20”.