Test Mentor Java Edition
The Object Testing Company, World-Wide Leaders in Java and Smalltalk Testing
http://www.silvermark.com/Product/java/stm/index.html

SPS electronic UK limited
Automated and manual electrical safety test equipment. Flash test, earth bond test, insulation test and leakage test devices.
http://www.spselectronic.co.uk/

Automatiq Measurement Systems LLC
Manufactures and sells a PC-based functional test system featuring a benchtop test station, plug-in test modules, ready-to-wire test fixtures, and Windows test design, programming, and execution software.
http://www.automatiqsystems.com/

SPS Electronic GmbH
Sicherheitsprüfgeräte – Automation – Surgetester. Die SPS electronic GmbH entwickelt und produziert Prüftechnik im Bereich der elektrischen Sicherheit und bietet diese weltweit zum Verkauf an.
http://www.spselectronic.com/

OASIS XML Conformance Subcommittee XML 1.0 Test Suite, Second Edition
Contains over 2000 test files and an associated test report. The test report contains background information on conformance testing for XML as well as test descriptions for each of the test files included in this release. This test suite provides a set of metrics for determining conformance to the W3C XML 1.0 (Second Edition) Recommendation.
http://www.oasis-open.org/committees/xml-conformance/xml-test-suite.shtml

Sage Cornerstone Logic, LLC
Sage Cornerstone Logic LLC specializes in software that controls and tests hardware. We serve the world through embedded products, consulting, and contracting.
http://www.sagecornerstone.com

Reliability Qualification Engineering, Inc.
Reliability Qualification Engineering ( www.rqei.com )uses its extensive industry expertise to design, build, Testing and support Reliability Test Systems for Burn-In, Life Test, Environmental Test, Environmental Services, Product Screening, PCB Design, Customized printed board technology and Custom Test. Our full range of standard and customised systems is supported by Application Consultancy and Test Facilities.
http://www.rqei.com/

TestLog
Test plan and test case management software. Improve quality assurance and track your project
http://www.testlog.com/

Oppco
OPPCO sells Ultra320 SCSI Performance Analyzers, SCSI test equipment and SCSI performance analysis test software for Engineering and Management solutions
http://www.oppco.com/

Advanced Test Environments
Wireless security Alarm Systems, Broadband Surveillance, Avionics Test Systems, Vehicle Anti-Theft Devices/Systems, Portable Security and Surveillance Systems, Portable Video Recording System, Wireless Security Alarm Systems, Advanced Test Environment, ADVTE
http://www.advte.com