Extreme Testing
Software Quality Assurance. Software Testing Resources: Testing Methodology and Techniques, All that can be useful to any software tester. This site contains a lot of interesting information, including recommendations, a testing dictionary, links to shareware tool downloads, and reviews of books that are bound to interest software testers. Tutorials, Articles and Training. Some humor makes this site more valuable.
http://www.geocities.com/xtremetesting/

AdventNet QEngine
Load Testing and Functional Testing Tool For Web Applications and Web Services. Download Now. Supports HTTP/ HTTPs, SOAP Web Services Testing.
http://www.adventnet.com/products/qengine/index.html

BioDiagnostics, Inc.
BioDiagnostics, Inc. is the leader in genetic purity, trait purity, and standard seed testing.
http://www.biodiagnostics.net/

Sheffield Testing Labs
Providers of independent testing and calibration services. Mechanical testing, materials testing, corrosion testing and calibration service provided.
http://www.sheffieldtesting.com/

Clean Air Engineering
Environmental engineering, air testing, test equipment rental, EPA testing, stack testing, organics testing and particulate testing company. Strength lies in the synergy that comes from bringing these pieces together into an integrated whole.
http://www.cleanair.com/

Kidao Laboratories
Kidao Laboratories, Chennai, India, expertise in Chemical Testing, Mechanical Testing, Non - Destructive Testing, Metallography, Welders Qualification procedures, Corrosion Testing, Failure Analysis and Testing of rubber, plastics, paints and grease
http://www.kidaolabs.com/

The Original Software Group Ltd.
Original Software, redefining test automation - Industry estimates 30% of software testing is currently automated and manual software testing is still an important part of the process. The transition to automated software testing has, in the past, been time consuming and laborious, but it doesn't need to be. Our approach is based on actual need. We believe the key requirement is to align effort with benefit right from the very beginning. We call this approach Crawl, Walk, Run.
http://www.origsoft.com/

RN Electronics
EMC testing, R and TTE directive and VCA approved testing, UKAS accredited EMC testing for cable and antenna testing.
http://www.rfdesign.co.uk/

NSTL, Inc.
Large independent information technology testing organization. Provides hardware, software, e-commerce, internet and custom testing, government services, Multimedia Testing and Telecommunications Testing.
http://www.nstl.com/

Software Research, Inc.
The eValid Website Testing and Analysis Suite helps organizations maintain e-Business presence, improve website quality and integrity, reduce down time, control costs, and enhance quality and delivered performance to increase customer satisfaction and profits. The eValid Suite supports browser-based client-side functional testing and validation, page timing and tuning, transaction monitoring, web site spidering and analysis, and realistic server loading. eValid is comprehensive, easy to use, scalable, cost-effective, and applies to any web browser enabled applications.
http://www.soft.com/