Lake Gasket Company Manufacture to order all types of gaskets and seals from most rubber materials.

Lamons Gasket Company Manufacturer of spiralwound, heat exchanger, ring joints and Kammpro industrial gaskets in North America servicing the refining, chemical, power generation and pulp & paper industries.

LaserTechUSA, LLC Manufacturers of laser welded metal bellows.

Leak-Proof Engineering Pvt Ltd. Manufacturer of various mechanical seals including metal bellow seals, multiple coil spring seals and rubber bellow seals. Full line of braided packings also available.

Ley Rubber Ltd Extruder and molder of rubber and silicone products including laboratory and industrial tubing, cord, profile, stoppers, washers, gaskets and seals.

M-Cor,Inc. A comprehensive technical resource regarding Teflon encapsulated o-rings. Complete with automated engineering tools for specifications, secure online pricing and ordering.

Manufacturers Rubber & Supply Distributes rubber 'O' rings, bumpers, grommets, seals, open- and closed-cell sponge vibration mounts, rubber sheet stock, custom-molded rubber and extruded rubber products

Marco Rubber & Plastic Products A full service, stocking distributor of o-rings and seals in various materials and sizes.

Martin Fluid Power Part numbers and pricing for all styles of inch and metric seals, packings, and gaskets. Hydraulic and pneumatic cylinder kits are also available.

Maryland Flex-Tech, Inc. Installation and vulcanization process of condenser expansion joints. Primary applications in the nuclear power and fossil fueled industries.

Mc Gaskets & PTFE Specialties, Inc. Gaskets, 'O' rings and tank supplies in an assortment of elastomers including epdm, viton, and nitrile. ptfe gaskets in standard and custom sizes.

McMasters Koss Co. A QS-9000 and ISO-9002 registered provider of seals for OEM and aftermarket automotive, industrial, utility, hydraulic, and pneumatic applications.

Melrath Gasket Manufactures metallic, non-metallic & jacketed gaskets & shims. Metal stamping, die, laser & water jet cutting service.

Michael-Stephens Company Replacement seal repair kits for most manufacturers of cylinders, pumps and valves.

Miller Products Ltd. Manufacturer of rubber or plastic molded and extruded parts. Offer a large inventory of bumpers, caps, tips, suction cups, grommets and gaskets.

Minnesota Rubber Manufacturer of Quad Rings, Quad Brand and custom molded rubbers and thermoplastic elastomers.

MMI rubber and plastic products Manufacturing and design of pipe gaskets for the polyethylene and pvc industries.

Moontown Ltd. Manufactures a range of ptfe spring energised, hydraulic and metal csed ptfe lip seals, metal 'O' and 'C' rings. For service in rotary, high pressure and temperature sensitive applications. [requires flash]

Moriteq USA Rubber Co. Manufactures rubber packing, sealing, buffers, and shock absorbers.

Moss Seal Company Supply of quality seals and packings.