Custom Threading Inc (CTI) is your one-stop shop for threading and premium threading needs. We hold the majority of the current industry threading Licenses as well as our API Monogram. Please visit here to see the complete list of threads we offer. For over 55 years CTI continues to be experts in Premium Threading and is known in the industry for executing the toughest jobs. Anything from a simple crossover to a complex Inconel casing hanger is achievable at CTI. We are able to thread a wide range of material from L80 to Inconel and titanium!