Strainsert Co.
Manufactures gaged force transducers including load transducers, clevis pins, force sensing transducers and sensors.
http://www.boltonelectronics.com/
http://www.centoservizi.it/cram/
http://www.interfaceforce.com/
http://www.lorenz-messtechnik.de
http://www.musemeasurements.com/
http://www.novatechloadcells.co.uk
http://www.transducertechniques.com/
http://www.wagnerinstruments.com/