| Accurate Instrument | | Specializing in the calibration, repair and sales of precision measuring tools and equipment. |
| American Instrument Corp. | | Offers instrument calibration solutions, infrared analyzing, hardness testing equipment and related products. |
| Anderson Materials Evaluation, Inc. | | Information about surface analysis, thermal analysis, SEM microscopy, white light interference microscopy profilometry, and electrochemistry. |
| Blanke Industries | | Manufacturer of carbon monoxide gas analyzers for engine tune-ups that reduce emissions. |
| Calibration Services | | Calibration services, materials testing machines, load cells and weighing equipment. Impact, torque and load cell calibration. Australia based. |
| Cargo Inspections Group. | | Independent inspection of crude oil, petroleum products and petrochemicals in the Black Sea, Mediterranean (inc N. Africa), Northern Europe and Baltic Sea. |
| Ce-Test | | Testing and consultancy services in ce marking for electric and electronic equipment in compliance with European Directives. |
| Challenge Innovations | | Test equipment for semiconductor devices such as IGBTs, power FETs, power rectifiers and bipolar transistors widely used in the traction, motor control and energy control industries. |
| CIMTEK Automation Systems | | ISO9001 engineering based company focusing on supplying electronics manufacturers with turn-key test solutions, end-of-line functional testers, durability testers, and burn-in systems. |
| CMA Testing & Certification Laboratories | | Provides comprehensive testing and inspection services in toys, textile and garment, electrical and electronic products, food and drugs, materials and other commodities, and environmental testing. Hong Kong. |
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