George E Booth Co Inc

Magnetic Instrumentation Inc. is a provider of engineered solutions and custom systems for magnetic applications. Based in Indianapolis, Ind., the company supplies calibration equipment, gaussmeters, analyzers, fluxmeters, reference magnets, coil systems, hysteresisgraphs, permeameters and testers. It offers a range of services, including magnetic testing services, prototype fixture development, instrument calibration, online technical support, technical field service and magnetizing service. Magnetic Instrumentation Inc. operates a calibration laboratory that offers National Institute for Standards and Technology (NIST) traceable calibration of gaussmeters, fluxmeters, hall-effect probes and reference magnets.

Worldwide Filters, located in Indianapolis, IN, is a leading distributor of filtration products catering to both residential and commercial customers. The company is dedicated to providing the correct filter at competitive prices, whether it's for an individual homeowner or a business requiring bulk shipments. With a focus on customer service, Worldwide Filters specializes in custom-sized filters and offers tailored membership options for both commercial and residential clients. Their knowledgeable staff is ready to assist customers in finding the ideal filtration solutions for their needs. Generated from the website

Proportion-Air, Inc. is the world's leading manufacturer of electronic pressure control valves, which allow you to convert an electronic input signal into a precisely controlled pressure output. Our regulators provide pressure control that is reliable, repeatable, and accurate. We often custom build our systems to address the unique parameters of your particular application. Proportion-Air closed loop mass electronic air flow control valves also have quick response and control air flow rates from SCFH to 250 scfm. Install our air piloted regulators (also called volume boosters) for high pressure, high flow, quick relieving, and ratio operation. Proportion-Air also manufactures and supplies pneumatic control valve accessories such as DC power supplies, analog command modules, mounting brackets, and power cords. We are leaders in the field, offering innovation in design, engineering, and product implementation for today's aircraft, trucks, cars, and locomotive technology. Our engineers also designed key components for a recent Space Station project.