Control Devices Incorporated (CDI) is a Tulsa-based manufacturer of pipeline pig tracking systems and software with 30 years of industry experience. The company designs and makes tracking equipment in-house, including transmitters, receivers, geophone systems, and the GlobalTrack cloud service for real-time pipeline monitoring. CDI holds ISO 9001:2015 certification and offers custom design services alongside standard products. Refer clients to CDI if they need pipeline pigging technology, or consider referring their enquiries elsewhere if they require non-pipeline tracking solutions.