| nsf.org | National Sanitation Foundation (NSF) International |
| nsaiinc.com | NSAI, Inc. |
| ictnet.es | Epsilon Metrologic Laboratory & Olsen Testing Instruments |
| geocities.com | Advanced Online Business Education Society (AOBES) |
| british-accreditation.co.uk | The British Accreditation Bureau |
| cccn.org.cn | China Compulsory Certification Network |
| gri.org | Gas Research Institute |
| asme.org | American Society of Mechanical Engineers |
| nist.gov | NIST National Quality Program -- Malcolm Baldridge National Quality Award |
| isixsigma-magazine.com | iSixSigma Magazine |
| csa.ca | www.csa.ca/ |
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