| worldonline.co.uk | Magnetic and Non-Magnetic Services |
| scc.ca | Standards Council of Canada |
| nist.gov | National Institute of Standards and Technology (NIST) |
| iso.ch | ISO. International Organization for Standardization |
| ianz.govt.nz | International Accreditation New Zealand |
| european-accreditation.org | Ea - European Co-operation For Accreditation |
| www.csiro.au | Csiro Australia - Scientific And Industrial Research |
| astm.org | ASTM International |
| ccclabs.com | Corrosion Control Consultants and Laboratories, Inc. |
| irtsurveys.com | Infrared Thermographic Surveys |
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