TDW Pigging Products

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TDW Pigging Products, headquartered in Tulsa, Okla., specializes in the manufacturing of proprietary polyurethane products and assembly of pipeline pigs. The company has a more than 30,000-square-foot manufacturing plant, which focuses on the design and manufacture of pipeline closures, pig launching and receiving systems and PIG-SIG scraper passage indicators. It is a part of T.D. Williamson, a company that specializes in manufacturing pipeline equipment and maintenance products. Additionally, the company provides PIG-SIG NI indicators that utilize advanced technology for the detection of pig passages in pipeline systems. Its PIG-SIG NI nonintrusive pig passage indicator units have Satcom satellite uplink options to transmit the time and date of pig passages through Internet and other communication devices.