Oil States Barlow-Hunt, 10322 E 58th St, Tulsa, OK 74146, US

Established in 1993, Sigma Stretch Film is a film manufacturing division of Sigma Plastics Group, one of the largest, privately owned film extrusion group in the United States. It specializes in classic blown, world wrap, extended core hand films. The company s Stiff-N-Strong film is used for wrapping hard to hold load and to provide enhanced protection for regular loads. Sigma Magnum Stretch 300 is a high performance film that is cast and co-extruded from high-technology resins. The company provides summit, secure, select cast and Magnum Stretch 300 machine films. It also offers specialty films, such as colors, wide web, UVI, bundling film, rollwrap, narrow banding and silage. Sigma Stretch Film maintains a location in Tulsa, Okla.