Hitek Calibration Services
Calibration Equipment and electronic testing services - HITEK Calibration
http://www.hitek.co.uk

Quality Calibration Service
Quality Calibration Service is an ISO/IEC 17025 A2LA Accredited and ISO/IEC 9001:2000 Registered full service metrology laboratory specializing in all phases of Hard Gage and Electronic Instrument calibration, Hand Tool and Instrument Repair, Field Service Calibration and First Article Dimensional Inspection Services.
http://www.qualitycalibration.com/

Precision Calibration Services, Inc.
Our company provides sales, service, calibration, repairs, parts, of various measuring equipment such as, optical comparators, surface plates, hardness testers, gage blocks, gage pins, ring gauges, height gauges, torque wrenches, digital readouts and much more, we have over 50 years of experience and offer many measuring solutions or training for your particular application.
http://www.precisioncalibration.com

DH Instruments
DH Instruments, a leading manufacturer of pressure and flow calibration systems including calibration software. DHI offers metrology training courses.
http://www.dhinstruments.com

Stratco Inc.
Metrology, calibration, precision measuring equipment. Gage repair, calibration, service, sales. Optical comparator sales, service, certification. Professional representation of Starrett, Brown and Sharpe, Mitutoyo, Mahr, Fowler, Flexbar, others.
http://www.gage-sales-repair-calibration.com

DOX Calibration
Provide calibration and resurfacing service of granite surface plates. All calibrations are traceable to N.I.S.T. Comply to ISO/IEC 17025.
http://www.doxcalibration.com

Calibration Metrology Laboratory
Calibration and resurfacing of Granite Surface Plates. ISO/IEC Guide 25 registered. Full dimensional/electronic service.
http://home.socal.rr.com/cmsmetlab/

Marsh Metrology
DC + low frequency, physical/dimensional calibration services. NIST traceable calibration service on-site at your facility, or in our Burlington, Ontario laboratories.
http://www.marshmetrology.com

United Calibration Corporation
Calibration Service, Materials Testing and Hardness Testing provided by United Calibration Corp are unparalleled in quality and pricing. We offer the best in Calibration Service, Materials Testing, Hardness Testing, Universal Testing Machine and Rockwell Tester.
http://www.tensiletest.com

Self Calibration Resource Center
Self-Calibration for high precision metrology
http://www.selfcalibration.com/