Waare Instruments Limited
Manufactures pressure gauges, temperature gauges, needle valves, glass thermometers, capsule gauges, and diaphragm gauges.
http://www.waaree.com

Unik Gauges & Tools
manufacturer of thread plug gauges, thread ring gauges, plain plug gauges, plain ring gauges, snap gauges, special gauges, thread and plain ring gauges, msr and plain ring gauges, taper ring gauges, measuring pins, single ended plate snap gauges, gauges and accessories, thread gauges, plain gauges, ring gauges, non standard gauges, measuring instruments, india
http://www.unikgaugesindia.com/

Smart Gauges
Offering non - contact film and coating thickness gauges for high-speed precision thickness measurement and web inspection, with unparalleled accuracy and speed
http://www.smartgauges.com

Checkline Europe
Checkline Europe offers the highest quality tension meters, tachometers, stroboscopes, force gauges, coating thickness gauges, wall thickness gauges, textile test instruments.
http://www.checkline-europe.com

Precision thickness gauges
Thickness gauges, film thickness gauges, digital and portable hand held thickness gauges.
http://www.measureitall.com

Master Metrology
Thread Gauges, Gauges, Plug Gauges, Plain Plug Gauges, Pin Gauges, Snap Gauges, Ring Gauges, Slip Gauges, Special Gauges, Tungsten Carbide, india
http://www.emastermetrology.com

Orange Research Inc.
Orange Research manufactures a large family of differential pressure gauges, differential pressure switches, differential pressure transmitters, and differential pressure transducers, as well as flowmeters, flow switches and flow transmitters and liquid level float switches.
http://www.orangeresearch.com/

Taylor Hobson
Taylor Hobson Precision - Metrology, the science of measurement; science or system of weights and measures. Parameters can be separated into three basic types: Amplitude parameters, Spacing parameters and Hybrid parameters. The purpose of a parameter is to apply a number that can characterise and hence remove the need for somebody’s subjective assessment of the surface texture.
http://www.taylor-hobson.com/

A N Instruments Pvt. Ltd.
Established in the early 1970's, A.N. Instruments is the most trusted name in pressure and temperature gauges. Its product range includes special purpose pressure gauges, regulators and circular chart data recorders.
http://www.a-n-instruments.com

Stewart-Buchanan Gauges Ltd
Stewart Buchanan Gauges Ltd web site
http://www.stewarts-group.com/