- Coretest Systems, Inc.
 - Manufacturer of core analysis and geological laboratory test equipment. - Crossbow Technology, Inc
- Provides a line of solid state silicon micromachined accelerometers and tilt sensors for applications in vibration, navigation, medical, control of heavy equipment, and computer gaming.
- EG3 Communications, Inc.
- Keeps track of, organizes, and promotes the wealth of information available on the Internet for practical EE design in the Electronic Engineers Toolbox.
- Engineering by Design
- Offers custom machinery and automation for industrial and extreme environments.
- Microsystems Development
- Electronic design of consumer products. Specializing in embedded controllers.
- Productive Systems Engineering
- Helping private and public organizations improve productivity and quality, especially with product development.
- Spectral Dynamics
- Supplier of systems and software for vibration testing, structural dynamics, and acoustic analysis.
- Sputtering Materials Incorporated (SMI)
- Works with production and research engineers to develop sputtering target processes.
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