A-TEK Co

In the late 1970s, HoffmanControls received two patents and introduced the first electronic analog variable air volume control system. HoffmanControls conceives, designs and manufactures special purpose electronic controls for commercial and industrial markets. The company designs and builds all of its tools, dies, moulds, castings, extrusions and test/calibration instrumentation. Its product line includes motor speed, motor protection, step and sequence controls, manual and variable motor/fan speed controls and digital (microprocessor) controls. HoffmanControls is located in Dallas.

Flow-Dyne Engineering is a leading manufacturer of calibration software and primary flowmeters, offering precise measurement and control of gases and liquids to meet ISO and quality system requirements for NIST traceability. Their comprehensive range of products includes sonic nozzles, venturi tubes, flow nozzles, orifice plate flanges, meter runs, NIST traceable flow standards, custom test benches, stands with software, and critical flow nozzles. With a plant address in Fort Worth, Texas, Flow-Dyne Engineering is dedicated to providing reliable and accurate flow measurement solutions. Their expertise in design, testing, and development ensures the highest level of performance and customer satisfaction.Generated from the website

Polyspede Electronics Corporation, based in Dallas, Texas, has been a leading manufacturer of AC and DC motor speed controls and engineered systems since 1959. With a comprehensive line of options, they can meet any design specifications, offering individual motor controls and accessories to complete automation requirements. Constantly improving their product lines, Polyspede Electronics Corporation has expanded their business to include the distribution of branded products from Hitachi Japan and Invertek UK. Their e-commerce channel, Driveswarehouse.com, provides a one-stop online shop for AC Drives, DC Drives, AC Motors, DC Motors, Panels, Soft Starters, and Accessories, all backed by a 12-month warranty and 24/7 support from their professional team of drive experts.Generated from the website