Colonial Seal Co. is an ISO 9001:2015 Certified specialty distributor of rotary shaft seals, oil & grease seals, hydraulic seals, custom large diameter metal cased seals and non-metallic gaskets. Since 1994, we have been offering a comprehensive range of brand name oil seals such as SKF / Chicago Rawhide(CR), Garlock, JM Clipper, James Walker, Hallite, National, Federal Mogul and Timken.