Profile: Concepts NREC is a full-service turbomachinery design and development organization. We provide prototype & short-run manufacturing, CAM & CAE software, engineering services, testing, audits & inspection services, education and technical publications.We offer engineering development with a reputation for advancing and applying technologies to turbomachinery such as air, process and axial compressors, gas & steam turbines, expanders, hydraulic and hydroelectric turbines.