Lake Gasket Company Manufacture to order all types of gaskets and seals from most rubber materials. http://www.lakegasket.com

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. http://www.lamonsgasket.com/

LaserTechUSA, LLC Manufacturers of laser welded metal bellows. http://www.lasertechllc.com/

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. http://www.leakproofseals.com

Ley Rubber Ltd Extruder and molder of rubber and silicone products including laboratory and industrial tubing, cord, profile, stoppers, washers, gaskets and seals. http://www.leyholdings.com/

M-Cor,Inc. A comprehensive technical resource regarding Teflon encapsulated o-rings. Complete with automated engineering tools for specifications, secure online pricing and ordering. http://www.m-cor.com

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 http://www.manuf-rubber.com

Marco Rubber & Plastic Products A full service, stocking distributor of o-rings and seals in various materials and sizes. http://www.marcorubber.com/

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. http://www.MFPSEALS.COM

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

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. http://www.mcgaskets.com/

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

Melrath Gasket Manufactures metallic, non-metallic & jacketed gaskets & shims. Metal stamping, die, laser & water jet cutting service. http://www.melrath.com

Michael-Stephens Company Replacement seal repair kits for most manufacturers of cylinders, pumps and valves. http://www.sealkits.com/

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. http://www.millerproducts.com/

Minnesota Rubber Manufacturer of Quad Rings, Quad Brand and custom molded rubbers and thermoplastic elastomers. http://www.quadion.com

MMI rubber and plastic products Manufacturing and design of pipe gaskets for the polyethylene and pvc industries. http://www.mmi-rubber.com

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] http://www.moontown.co.uk

Moriteq USA Rubber Co. Manufactures rubber packing, sealing, buffers, and shock absorbers. http://www.moritequsa.com/

Moss Seal Company Supply of quality seals and packings. http://www.moss-seal.com/