John Crane is one of the world s largest manufacturers of mechanical seals and associated products. The company designs and manufactures mechanical seals and sealing systems, mechanical packing, lubrication systems and couplings. Its lubrication systems are sold under the brand names of John Crane, Sealol, Safematic, Flexibox, Metastream, Powerstream and Lemco. The company s products are sold widely into rotating equipment applications in the petroleum, pharmaceutical, chemical, pulp and paper, mining and mineral, transportation, industrial, water and waste, refrigeration, automotive, food and beverage, appliance and power generations industries. John Crane is a subsidiary of the United Kingdom s Smiths Group. The company has more than 25 offices across the United States.