- Cooper Research Technology Ltd
 - Manufactures asphalt laboratory equipment used by national laboratories, universities, oil companies, contractors, and consulting engineers worldwide. - Design Environmental
- Manufacturer of environmental-climatic test equipment such as walk-in and drive-in temperature chambers, humidity chambers, and more.
- GDS Instruments Ltd.
- Geotechnical testing systems manufacturer, computer controlled, for the laboratory and the field.
- Inspection Services International
- Offers safety examinations of plants and equipment for insurance brokers. Also carries out risk and hazard assessments and noise surveys.
- Lavender International
- Training, examination, and testing services for the non-destructive testing industry.
- Thermotron Industries
- Manufacturer of environmental test, stress, simulation, and screening equipment.
- Unicorn Automation (NDT) Ltd.
- Design and manufacture of ultrasonic test equipment for steel products, specialising in online testing of tubes using rotary probes.
- Water Weights, Inc.
- Load testing specialists who use water weights technology in place of traditional solid weights.
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