Profile: Walker Jas Mfg. Co. is a manufacturer of marine packings and seals. We offer a broad range of molded seals in NBR, HNBR & fluorocarbon elastomers, both homogenous & textile reinforced, as well as in various other materials. These molds are AutoCAD designed, cast and machined in-house. With our molding techniques, we develop solid, fully molded rings up to 14 feet in diameter. We also provide a wide range of oil field products.