- Delta Control Products, Inc.
 - Offers electronic control ball, globe, and butterfly valves for electronic modulating and on/off control. Also offers retro-fits for globe and butterfly valves. - Stevens Engineering, Inc.
- Manufactures workholding devices for horizontal and vertical machining centres.
- Diversified Inspections, Inc.
- Specialises in safety inspections of aerial manlifts, digger derricks, and crane equipment. Also performs a variety of other industrial inspections.
- Treffers Precision, Inc.
- Precision plating for aerospace, computer, metal industries.
- RDC Electrical Corp.
- Offering electrical parts distribution, custom control panel design, and control integration services.
- Valley Bevelling Corporation
- Custom machine fabricator of flat glass and mirror products to customer specifications. Established 1980.
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