Accelerator Alignment and Optical Tooling Personal page on precision of tools, and related links, from Mechanical Systems Support Group, at the National Synchrotron Light Source, Brookhaven National Laboratory. http://members.aol.com/opticalalignment/

Testing of Weighing Instruments SP performs testing of weighing instruments, scales and balances of all types. Type approval certificates, test certificates and OIML certificates can be issued from the Swedish National Testing and Research Institute, Borås, Sweden. http://www.sp.se/metrology/scales/eng/scaltest.htm

Geometric Design and Technology, Inc. Accredited metrology laboratory specializing in dimensional inspection, first article inspections, statistical analysis process runs, reverse engineering, full turn key packages. Profile of company and staff in Meadville, Pennsylvania. http://www.gdandtinc.com/

Nederlands Meetinstituut Independent group of companies active in measurement, calibration, testing, certification, training and related consulting in The Netherlands. http://www.nmi.nl/

Metrology Institute of the Republic of Slovenia MIRS is responsible for matters concerning standardization, metrology, and accreditation in the areas of precious metals, scientific and legal metrology. Laboratory ceenter in Celje, and headquarters in Ljubljana. http://www.mirs.si/ENGLISH/