Metal Hardness Tester and utilities
State of the art metal hardness tester featuring the Equotip and Equostat Hardness Testers
http://www.corvib.com/equotip

Bulut Makina Ltd.
BULUT MAKINA is a leading company for manufacturing Hardness Testers and was established in 1992 by h. Eng. Metin Bulut. MR.Bulut is first man who designed and manufactured HardnessTester in Turkey. BULUT MAKÝNA and its experienced team manufactured and exported variety of Hardness Testers.
http://www.bulutmak.com/

Online Calibration
online calibration/verification for industrial and structural test instrumentation in adherence to ISO Quality Programs
http://www.corvib.com/calibrate

Phase II Machine Tool
MATERIAL TESTING INSTRUMENTS, MACHINE TOOL ACCESSORIES, PRECISION MEASURING TOOLS, HARDNESS TESTERS, THICKNESS GAGES, SURFACE ROUGHNESS TESTERS, FIBEROPTIC BORESCOPES, METROLOGY, CUTTING TOOLS, SHOP SUPPLIES
http://www.phase2plus.com

Micro Photonics Inc.
Porvider of Wide Range of Testing Instruments including Scratch, Wear, Friction, Hardness Testers, Profilometer, Ellipsometer, Micro-Ct, Microtomographe, camera, Film Thickness Tester
http://www.microphotonics.com/

Udeyraj and Sons
Manufacturers of panel meters, insulation, earth testers, multimeters, transformers, oil testers, HV testers, relay and secondary testers.
http://www.udeyraj.com/

PTC Instruments
PTC Manufactures Durometers, Surface Thermometers, Steel Hardness Testers, Optical Instruments, Data Loggers, Recording Thermometers & Practcial Training Handcuffs.
http://www.ptc1.com

McGoff-Bethune
Specialist temperature control. Supplies controllers, portable hardness testers, signal conditioners, thermocouples, RTDs.
http://www.mcgoff-bethune.com/

Newage Testing Instruments Inc.
Hardness testers product and technical reference information: For common and unusual scales and for all tester configurations.
http://www.hardnesstesters.com/

Hardness Testing
Guide to hardness testing. Links to test methods and useful tables and charts.
http://www.gordonengland.co.uk/hardness/