Concepts NREC, Inc. designs and develops turbomachinery. It offers air, process, and axial compressors; gas turbines, steam turbines, expanders, hydraulic turbines, and hydroelectric turbines; turbochargers; single and multistage, in-line, axial-flow, and mixed-flow pumps; fans, blowers, and vacuum systems; and propulsors and propellers; wind turbines and compressors; solar turbines; tidal-current and wave-compressor turbines; geothermal pumps and turbines; biomass steam turbines and biogas turbines; and other turbo-green machinery. The company also provides engineering services, which include product design, performance testing, turbomachinery upgrades, chiller rerating, reverse engineering, and research and development services. In addition, it offers an Agile Engineering Design System, a suite of tools and programs for computer-aided engineering and computer-aided manufacturing; MAX-PAC, a CAM software for 5-axis milling of turbomachinery impellers, blisks, and rotors; GasTurb, a gas turbine cycle program; and TurboMatch, a turbocharger design system package. Concepts NREC, Inc. offers its products through sales representatives in the United States, China, India, the United Kingdom, Sweden, Australia, Singapore, Czech Republic, Italy, Japan, Korea, Switzerland, Russia, Spain, Taiwan, and Turkey. The company was formerly known as Concepts ETI, Inc. and changed its name to Concepts NREC, Inc. in June 2000. The company has facilities in Wilder, Vermont; and Chelmsford, Massachusetts.