Founded in 1952, Ellis & Watts Global Industries is a Batavia, Ohio manufacturer known for engineering equipment that must perform reliably in nuclear, military, aerospace and medical settings. The company designs custom HVAC systems and related equipment for demanding environments, then supports those installations with service and replacement parts throughout their working lives. Its 175,000-square-foot facility operates under an ISO 9001-registered quality program that meets ASME NQA-1 requirements.
ISO 9001 Registered
Registration
ASME NQA-1
Compliance program
NUPIC Approved
Compliance program
NIAC Approved
Compliance program
10 CFR 50 Appendix B
Compliance program
ASME Section III
Compliance program
ASME Section VIII
Compliance program
IEEE Standards
Compliance program
UL, CSA, and NFPA Requirements
Compliance program
NEC Requirements
Compliance program
CE Marked
UL
Quality certification
CSA
Quality certification
NEC
Quality certification
ECU CorporationECU Corporation designs and manufactures custom-engineered HVAC systems and nuclear-rated equipment for demanding environments. It serves defense, government, nuclear power, industrial, and commercial customers, and provides engineering, testing, commissioning, training, reverse engineering, and remote monitoring services.CINCINNATI, OH
Tactical Environmental Systems, IncFrom Milford, Ohio, Tactical Environmental Systems, Inc. designs and manufactures HVAC and environmental control systems for military, aerospace, and commercial applications. The SAM-registered small business combines custom engineering with manufacturing and system integration, building solutions that range from trailer-mounted systems to equipment for hard and soft shelters. Its quality program uses ISO 9001:2008 and AS 9102 processes, with global logistics and support for customers.MILFORD, OH
Northern Air Systems LLCFor nearly three decades, Rochester-based Northern Air Systems has manufactured custom HVAC systems for mission-critical settings, from aviation ground support to mobile medical units and hazardous industrial environments. Its Tru-Temp™ systems are built for continuous operation in temperatures ranging from -40°F to 131°F, with thousands operating worldwide. Northern Air designs, builds, and tests its equipment in-house and holds ISO 9001:2015 certification.ROCHESTER, NY
Graham ManufacturingGraham Manufacturing traces its roots to 1936 and has kept its headquarters in Batavia, New York, since 1942. As GHM Corporation’s original operating business, it has built a reputation around mission-critical vacuum and heat-transfer equipment for demanding defense and industrial customers, backed by a dedicated service team and decades of engineering experience. The company’s quality program includes the world’s sixth-oldest ASME stamp, continuously held since 1958, along with ISO 9001:2015 certification.BATAVIA, NY