Open Source Testing
Features details of Open Source testing tools for functional, performance and security testing, link checking, test management and bug tracking systems.
http://www.opensourcetesting.org/

Web Test Tools
Listing of 390 web test tools and management tools - load testing, java testing, link checking, html validation, security testing, publishing control, content management.
http://www.softwareqatest.com/qatweb1.html

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/

Advanced NDT Instruments UK - Non-Destructive Testing Equipment
Advanced NDT Ltd specialising in Non Destructive Testing (NDT) Equipment such as Ultrasonic Thickness Gauges, Ultrasonic Flaw Detectors, Ultra Violet UV lights, Bond Testers and much more from Advanced NDT Ltd.
http://www.advanced-ndt.co.uk

MTS Systems
MTS Systems Corporation is the leader in material, component, and structural tensile and fatigue testing for the automotive, aerospace, biomedical, civil engineering, and consumer product fields. MTS also provides the best liquid level, and linear position sensors. Systems for testing materials, components and full structures. Mechanical testing and simulation.
http://www.mts.com/

ETS Interlaken Technologies
ETS Interlaken Technologies - electronic testing equipment, testing equipment manufacturer, electronic testing equipment supplier, testing equipment exporter, metal testing equipment, paint testing equipment, concrete testing equipment, petroleum testing equipment, rubber testing equipment, leather testing equipment, wood testing equipment, plastic testing equipment, paper testing equipment, textile testing equipment, universal and tensile testers
http://www.ets-test-equipments.com/

IITC inc.
Analgesia testing equipment,restrainers, mouse and rat tail bp, behavioral equipment, activity equipment, rodent restrainers and animal testing equipment
http://www.iitcinc.com/

PowerCheck
Helicopter engine performance / power check / trend monitoring program.
http://www.v-planner.com/powercheck/

PFI Pirmasens eV
Germany. Non-profit institute for testing and research, active in analytical chemistry, microbiological studies, biotechnology, certification of product and systems, testing equipment and special machinery, and software development. Also, marketing a wide range of testing instruments, materials and equipment. English and German.
http://www.pfi-pirmasens.de/typo3/index.php

Timco
Offers EMC testing, equipment certification, emissions testing, CE mark testing and is accredited by A2LA.
http://www.timcoengr.com