Flatness Websites:
hn-metrology.com
HN Metrology Consulting
HN Metrology Consulting, Inc. provides consulting in measurement uncertainty, metrology quality systems, geometrical product specification and verification and GD&T.
broomfieldgauges.com
Broomfield Carbide Gauges Ltd.
Broomfield Carbide Gauges specialise in the development, manufacture and calibration of UKAS-certified tungsten carbide gauge blocks