Hiller® is a Pennsylvania-rooted nuclear industry brand founded by Ralph A. Hiller in 1950. Its first actuation products appeared in 1962, and the company began supplying the nuclear power industry in 1966; today, Hiller serves commercial nuclear plants worldwide as part of Trillium Flow Technologies.
ISO 9001
ANSI N45.2
10 CFR50 Appendix B
Compliance program
ASME NQA-1
Dupill GroupFounded in 1985 by former Westinghouse project manager Raymond “Pete” Dupill, Dupill Group is a service-disabled veteran-owned company now led by Marines Chad and Cornell Dupill. For more than 35 years, it has built its reputation solving demanding valve problems for nuclear facilities, government agencies, and industrial customers, with work governed by ASME NQA-1 and ISO 9001:2015-compliant quality systems.331210LEECHBURG, PA
Curtiss-Wright Electro-Mechanical Systems (EMS) — Target RockPurchased by Curtiss-Wright in 1972, Target Rock manufactures highly engineered, critical-service valves and provides related services for nuclear safety-related markets. Its facility combines precision machining with in-house testing that can replicate reactor conditions, supported by engineers and technicians experienced in nuclear applications.FARMINGDALE, NY
NuVision EngineeringFounded in Pittsburgh in 1970 as O’Donnell & Associates, NuVision Engineering develops nuclear engineering services and specialized technologies for power plants, radioactive-waste cleanup, and hazardous environments. Its proprietary portfolio includes the patented MSIP® process for mitigating stress-corrosion cracking, Power Fluidics™ waste systems, and radiation-resistant remote manipulators. With facilities in Pittsburgh and Mooresville, North Carolina, the company has supported legacy-waste cleanup in North America and the United Kingdom for more than 30 years and has conducted over 100 large-scale demonstration programs.PITTSBURGH, PA
Homewood Energy ServicesFormerly part of Westinghouse, Pittsburgh-area Homewood Energy Services makes engineered replacement motors and emergency lighting for nuclear and industrial equipment, helping operators extend the life of legacy systems. Established in 2002, the company draws on more than 20,000 original Westinghouse drawings and specifications to reproduce direct replacements, while its 10CFR50 Appendix B Quality Program supports nuclear-grade, seismically qualified solutions. HES serves power plants in more than 50 countries.PITTSBURGH, PA