Personal page on precision of tools, and related links, from Mechanical Systems Support Group, at the National Synchrotron Light Source, Brookhaven National Laboratory.

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.

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.

Independent group of companies active in measurement, calibration, testing, certification, training and related consulting in The Netherlands.