LTX Corporation
- Designs, manufactures and markets automatic semiconductor test equipment which is used to test digital, linear and mixed signal integrated circuits and discrete semiconductor components. (Nasdaq: LTXX).
- http://www.ltx.com/

InTest Corporation
- Designs, manufactures and markets docking hardware and test head manipulators for automatic test equipment by semiconductor makers. (Nasdaq: INTT).
- http://www.intest.com/

Cohu, Inc.
- Holding company with subsidiaries which design and manufacture electromechanical handling systems used in testing semiconductor devices. (Nasdaq: COHU).
- http://www.cohu.com/

DPA Components International
- Specializes in the area of military IC test, semiconductor testing screening and mil-spec testing services.
- http://www.dpaci.com/

XJTAG
- Offers fast, simple, effective JTAG boundary scan tools.
- http://www.xjtag.com/

W. M. Hague Company
- Bare board test and semiconductor substrate test and inspection systems.
- http://www.wmhague.com/

VI Technology, Inc.
- Supplier of automated test system products and engineering services for test, measurement, automation, and test data management.
- http://www.vi-tech.com

Stridge
- A provider of test bridging tools also provides engineering services and develops custom test tools.
- http://www.stridge.com/

Sonix Inc
- Manufacturers of scanning acoustic microscopes for internal inspection of packaged ICs, SOI, silicon-on-silicon and mems.
- http://www.sonix.com

Trio-Tech International
- A testing equipment manufacturer and reseller.
- http://www.triotech.com.sg/

Signatone
- Provides semiconductor probing and testing equipment including manual and semiautomatic probe stations, probe tips, four point probes, resistivity test equipment, micropositioners.
- http://www.signatone.com/

Testmetrix
- Manufactures equipment for testing memory chips and computer cards and for testing and programming semiconductors.
- http://www.testmetrix.com/

Roos Instruments, Inc.
- Automated RF test systems for wireless IC production. Measures DC to 40 GHz. (registration required for full use)
- http://roos.com/web/site.nsf/index.html?OpenPage&charset=iso-8859-1

Robson Technologies, Inc.
- Custom and standard interface solutions for LSI testing needs in the QA lab, failure analysis, package development, prototype engineering, wafer sort, and final test areas.
- http://www.testfixtures.com/

Random Test Generator
- Provides semiconductor verification tools and contract services.
- http://www.obsidiansoftware.com/

Lital Electronics, Inc.
- Developer and manufacturer of electronics products and single board VME based computer test systems.
- http://www.lital.com/

Frothingham Electronics
- Component and diode testing equipment.
- http://www.frothingham.com/

Geotest - Marvin Test Systems, Inc.
- PC-based automated test equipment (ATE) instrumentation, software, and test systems for electronics, aerospace, semiconductors, communications, medical, industrial, and military applications.
- http://www.geotestinc.com/

Hesper Technologies, Inc.
- Microprocessor controlled automatic test system for classifying, analyzing, and testing semiconductors. Test stations, fixtures, and ATE software.
- http://home.earthlink.net/~hestech/

Innovations Inc.
- Computer memory tester for testing SDRAM DIMMs, SIMMs, chips, including PC133 and PC100. For testing all types of computer memory.
- http://www.innoventions.com/

Inovys Corporation
- Designs and sells automated test equipment (ATE) systems and software for structured functional testing of semiconductor chips.
- http://www.inovys.com/

Integrated Production and Test Engineering
- Provides inline fixtures for ICT and FT test applications and programming services for Scorpion, GenRad Viper and FT based on PXI.
- http://www.ipte.com/

International Test Technologies
- Functional test and diagnostic solutions for microprocessor and DSP-based boards (via JTAG).
- http://www.intertesttech.com/

Lemsys SA
- Supplier of test equipment for power semiconductors, for discrete devices and modules.
- http://www.lemsys.com/

N and K Technologies, Inc.
- Manufactures equipment for thin film metrology and characterization, critical dimension and optical properties measurements.
- http://nandk.com/

Accuprobe
- Manufactures fixed pattern probecard, wafersort, and lasertrim assemblies and repair equipment for use by semiconductor producers.
- http://www.accuprobe.com/

Ardent Concepts, Inc.
- Designs and builds custom interfaces for the semiconductor industry using proprietary technology.
- http://www.ardentconcepts.com

Aseco Corp.
- Design, manufacture and market a range of integrated circuit test handlers and wafer inspection and handling systems for the semiconductor industry.
- http://www.aseco.com/

CREA
- Manufactures automatic testers for power semiconductors, modules, mosfet, IGBT,diode, SCR. From Italy.
- http://www.crea-test.com/

DB Design Group
- Designs and manufactures device change kits for the semiconductor test industry. Devices can be designed for many different types of ATE.
- http://www.dbdesign.com/

Microworld
- Specializing in providing products and services for the manufacture characterization and tests of microelectronic devices.
- http://www.microworldgroup.com

SOF-TEK Integrators, Inc.
- Designs, builds and supports custom turn key automated test and measurement equipment for the semiconductor manufacturing industry.
- http://www.sof-tk.com/

CS Products
- Supplier of complete NDT and radiographic inspection systems and consultancy.
- http://www.csproducts.co.uk/

Brumley South, Inc.
- Remanufactures and upgrades Estek, ADE and Tencor wafer inspection tools, produces latex sphere calibration standards, type gauges and particle deposition systems.
- http://www.brumleysouth.com/