Machine Service, Inc
Manufacturer of drive shafts, couplings, universal joint, driveshafts, propeller shafts, spindle shaft couplings, slip drivelines, metric drive shafts, mechanics driveshafts, dana spicer shafts, GWB driveshafts
http://www.machineservice.com/

Great Lakes Forge Inc.
Produce crank shafts, blocks, squares, rectangles, eccentric shafts, step down shafts, double end hubs, rounds, mandrel rings, hubs and covers.
http://www.glforge.com/

NCT Friction Welding Company
NCT specializes in the innovative and proven welding process known as friction welding or friction forging. In addition to producing more then 750,000 welds annually, we provide full service general machining, having the capacity to purchase and cut material, finish machine(CNC turning/miling), induction/furnance temper/anneal, UT inspect, dye penetrant inspact, and bend/tensile test-all in-house.
http://www.nctfrictionwelding.com

Industrial Brakes Limited - Wolverhampton, West Midlands
Established in 1983 Industrial Brakes Ltd. has over 20 years experience and is ISO9001 approved in the friction business
http://www.industrialbrakes.co.uk

Center for Advanced Friction Studies
Southern Illinois University - The role and scope of the facility involves the education of undergraduate and graduate students in the science of friction materials and training through the research experience.
http://frictioncenter.siu.edu/

Foote Axle and Forge LLC.
Manufactures axle shafts, input and output shafts, and specialty parts for the heavy duty truck industry.
http://www.footeaxle.com/

Gecko-Inspired, High-Friction Microfibers
Inspired by the hairs that allow geckos to hang single-toed from sheer walls and scamper along ceilings, a UC Berkeley-led team of researchers has created an array of synthetic micro-fibers that uses very high friction to support loads on smooth surfaces without the stickiness found in adhesives. The fibers in the array, packed 42 million per square centimeter, are about 100 times thinner than a human hair.
http://www.eurekalert.org/pub_releases/2006-08/uoc--ecg082206.php

Tom Woods Drive Shafts
Tom Wood's Custom Drive Shafts, The finest quality custom driveline products at the best possible price.
http://www.4xshaft.com/

New Gear Company
Prabha Engineering Company - Tractor gears manufacturer, tractor shafts, tractors gears exporter, tractors shafts supplier, tractor gears manufacturers, tractor shafts india, tractors gears exporters, tractors shafts suppliers, gear shafts manufacturer, steering shafts exporter, gear shafts exporter, steering shafts from india, pinion gears manufacturer, spiral bevel gears, pinion gears exporter, bevel gears from india
http://www.tractorgears.com

Thompson Friction Welding
Thompson specialise in providing friction welding solutions, boasting over 40 years' experience in developing advanced manufacturing processes for a wide variety of industrial components. With more than 500 machines supplied worldwide, Thompson is the technology partner of choice and has established an enviable track record of bringing friction welding process innovations to market. Thompson, part of the IWKA Group, produce a full range of manufacturing solutions
http://www.thompson-friction-welding.co.uk