Service companies specializing in material and component testing and instrument and system calibration.

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Analytical laboratory services detect, classify and/or assay chemical, material, biological, geological and environmental samples.
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Certification Services (494 suppliers)

Certification services include companies that test, inspect, register and/or certify products, components, equipment, instruments, processes, management systems or facilities. This area also includes organizations that evaluate, audit, assist, train and/or register companies on facility or system wide assessments such as ISO registration, process quality audits, health and safety assessment, and management systems evaluation.    
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Chemical testing services test, analyze, and certify a wide range of chemicals for purity, chemical compatibility, and environmental impact.
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Color swatches and reference systems consist of a set or palette of chips, swatches or panels with different colors for calibration of color instruments, painting blending systems, and for color selection.
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Condition monitoring and machine maintenance services monitor the condition of critical machines, battery banks, power supplies, processes and rotary equipment. They also perform predictive maintenance (PdM) and/or preventive maintenance.
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Dimensional measurement and metrology services use mechanical gaging, CMM measurement, non-contact imaging or other specialized methods to inspect and measure part dimensions and geometry.
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Electrical and EMC testing services evaluate parts and products for electromagnetic compatibility (EMC), electromagnetic interference (EMI), radio frequency interference (RFI), dielectric properties, conductivity, electrostatic discharge (ESD), insulation resistance, and other electrical characteristics.
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Environmental exposure (climatics) testing services use humidity, pressure, temperature, vibration, exposure to ultraviolet light (UV) and other climatic variables to test samples, parts and components, and finished products.
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Environmental testing and analytical services provide testing of environmental samples such as soil, water, air, and industrial wastes or byproducts.
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Flammability and fire testing services evaluate finished products or components through specialized environmental exposure tests.
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Flow and pressure (fluid dynamics) testing services evaluate the flow, pressure and fluid dynamics of components and products such as radiators, heater cores, lines and bottles.
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Hydraulic and pneumatic testing services test and evaluate hydraulic and pneumatic components and finished products through flow and pressure, performance, environmental exposure, dynamic, and other specialized tests.
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Inspection Services (1,293 suppliers)

Inspection services examine products, parts, equipment, repairs, services, installations, and facilities to ensure quality, consistency, and condition, as well as conformance to required standards and/or procedures.
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Instrument calibration services test equipment and calibrate them to various standards.  
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Material Testing Services (1,004 suppliers)

Material testing services test, analyze, and certify a wide range of materials for purity, chemical compatibility, and environmental impact.
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Mechanical testing services perform material and product testing that involve loading, impacting, bending, wear, twisting, or any other tests that are aimed at structural integrity.
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Non-destructive testing (NDT) services use test methods to examine an object, material or system without impairing its future usefulness.
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Package testing services evaluate the performance of packages and packaging materials using drop, transportation, thermal control, leak and other specialized packaging tests.
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Product and component testing services is the evaluation of a finished product or component through performance in electrical, life, environmental exposure, dynamic, ergonomic or other specialized tests.  Also testing to standards such as UL 489, CE or MIL-STD 810.
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Quality registrars and registration services certify that a company’s quality management system meets specific industrial standards. Management system registrars perform pre-assessments and gap assessments, define corrective action plans, and perform final assessments and registration.
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RoHS testing and compliance services providers test a manufacturer's products for restricted or hazardous substances and certify compliance to RoHS or WEEE standards.
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Shock and vibration (dynamics) testing services or dynamics testing of a finished product or component using shock, sine and random vibration or other dynamic test conditions.
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Test equipment rental and instrument rental services rent or lease test equipment for electrical, electronic, vibration, acoustic, dimensional, NDT, analytical, environmental, process, EMI/RFI, and other specialty testing, measurement or inspection applications.
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Wind tunnel testing services provide test facilities and technical staff for aerodynamic testing. Tests may be performed on prototype aircraft, helicopters, trains, cars, or buildings; or for research and development (R&D) purposes.
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