hi, here are a few more to add to your list:
Anter Corporation - http://www.anter.com/
Beaglehole Instruments - http://www.beaglehole.com/index.html
Buehler - http://www.buehler.com/
Capco Test Equipment Ltd - http://www.capco.co.uk
Corvib - http://www.corvib.com/
CSM Instruments - http://www.csm-instruments.com/
Electronic Instrument Research - http://www.e-i-r.com/
EMIC - http://www.emic.com.br/
Epsilon Technology Corp. - http://www.epsilontech.com/
Fischer Technology, Inc. - http://www.fischer-technology.com/
Formulaction - http://www.formulaction.com/
Frazier Precision Instrument Co. - http://www.frazierinstrument.com/n-frazier2000.htm
Gearing Scientific Ltd. - http://www.capricorn-ts.com/dmta/index.html
Geotest Instrument Corp. - http://www.geotestusa.com
Industrial Measurement Systems, Inc. - http://www.imsysinc.com/
Instron Corporation - http://www.instron.com/index1.html
Instrument Specialists Incorporated - http://www.instrument-specialists.com/
Instrumentation for Thermal Analysis - http://www.e-thermal.com/
James Instruments Inc. - http://www.ndtjames.com/
Kuka Industries - http://www.kukaindustries.com/
Laser Comp - http://www.lasercomp.com/
Linseis Thermal Analysis - http://www.linseis.com
M.E. Taylor Engineering, Inc. SEMicro Division - http://adhesiontesting.com/
Materials Testing Equipment Ltd. - http://www.materialstestingequip.com/
Micro Materials - http://business.virgin.net/micro.materials/
Qualitest - http://www.qualitest-inc.com/home.htm
Ray-Ran Test Equipment LTD - http://www.ray-ran.com/
South West Research Institute (SwRI) - http://nasgro.swri.org/
Tensilkut Engineering - http://www.tensilkut.com/
The Gilson Company - http://www.globalgilson.com/
TA Instruments - http://www.tainst.com
Vecomtech - http://www.vecomtech.com
Anter Corporation - http://www.anter.com/
Beaglehole Instruments - http://www.beaglehole.com/index.html
Buehler - http://www.buehler.com/
Capco Test Equipment Ltd - http://www.capco.co.uk
Corvib - http://www.corvib.com/
CSM Instruments - http://www.csm-instruments.com/
Electronic Instrument Research - http://www.e-i-r.com/
EMIC - http://www.emic.com.br/
Epsilon Technology Corp. - http://www.epsilontech.com/
Fischer Technology, Inc. - http://www.fischer-technology.com/
Formulaction - http://www.formulaction.com/
Frazier Precision Instrument Co. - http://www.frazierinstrument.com/n-frazier2000.htm
Gearing Scientific Ltd. - http://www.capricorn-ts.com/dmta/index.html
Geotest Instrument Corp. - http://www.geotestusa.com
Industrial Measurement Systems, Inc. - http://www.imsysinc.com/
Instron Corporation - http://www.instron.com/index1.html
Instrument Specialists Incorporated - http://www.instrument-specialists.com/
Instrumentation for Thermal Analysis - http://www.e-thermal.com/
James Instruments Inc. - http://www.ndtjames.com/
Kuka Industries - http://www.kukaindustries.com/
Laser Comp - http://www.lasercomp.com/
Linseis Thermal Analysis - http://www.linseis.com
M.E. Taylor Engineering, Inc. SEMicro Division - http://adhesiontesting.com/
Materials Testing Equipment Ltd. - http://www.materialstestingequip.com/
Micro Materials - http://business.virgin.net/micro.materials/
Qualitest - http://www.qualitest-inc.com/home.htm
Ray-Ran Test Equipment LTD - http://www.ray-ran.com/
South West Research Institute (SwRI) - http://nasgro.swri.org/
Tensilkut Engineering - http://www.tensilkut.com/
The Gilson Company - http://www.globalgilson.com/
TA Instruments - http://www.tainst.com
Vecomtech - http://www.vecomtech.com