Founded in Luxembourg in 1922 as Ceodeux, Rotarex is a family business that designs and manufactures gas-control products and systems. Across four generations of the Schmitz family, it expanded from producing carbon dioxide and cylinder valves into a global business whose valves, regulators, and gas-control systems are sold in more than 150 countries. The company describes in-house manufacturing and research and development as central to its work.
ISO 9001
ISO 13485
MDSAP
SELO
KGSC
Directive 2017/745 (MDR)
FM Approvals
UL
VdS
LPCB
RISE
KGS
Pressure Equipment Directive 97/23/EC (PED)
Transportable Pressure Equipment Directive (TPED)
U.S. Department of Transportation (DOT) compressed-gas vessel requirements
Compliance program
KFI Approval
MDR
Quality certification
PED
Quality certification
DOT
Quality certification
KFI
Quality certification
Sherwood ValveFormed in 1928, Sherwood Valve manufactures technical gas valves and flow-control components for system-critical industrial, specialty, medical, and appliance applications. Headquartered in Pittsburgh with a production facility in Cleveland, it is described as the only North American cylinder-valve manufacturer and has built its reputation around durable products for compressed-gas systems. Sherwood Valve operates as a Control Devices company.PITTSBURGH, PA
Roth North AmericaFounded in Germany in 1947, Roth is a family-owned manufacturer of energy, storage, and heating systems, with Roth North America producing and supplying systems for the United States and Canada since 1995. Its New York operation spans manufacturing facilities in Watertown and Syracuse and employs more than 50 people, with an in-house team that also provides radiant-system design and technical support. The company’s products are used in settings ranging from homes and schools to hospitals and stadiums.SYRACUSE, NY
Rexarc International IncBorn in a West Alexandria garage in 1924 as the Sight Feed Generator Company, Rexarc International now builds acetylene gas plants and custom pressure vessels for customers around the world. Still operating on the site of its original tobacco-barn factory, the four-generation-owned company has shipped acetylene plants to more than 80 countries and supports them with plant services, fabrication, and system integration. Rexarc also holds ASME “U,” “U2,” and National Board “R” stamps for in-house coded vessel work.WEST ALEXANDRIA, OH
Minivalve International B.VFamily-owned Minivalve International B.V. began about 25 years ago with a single-minded focus on miniature valve components and has grown from three colleagues into a 110-person manufacturer in Oldenzaal. The company develops and produces fluid-control components for OEMs, keeping its work under one roof and supplying customers in fields such as medical devices and automotive equipment. Its quality system is certified to ISO 9001, IATF 16949, and ISO 13485.CLEVELAND, OH