Founded in Biedenkopf in 1943 as Bolenz & Schäfer, Roth Hydraulics develops and manufactures hydraulic accumulators and custom accumulator systems in Germany. The company has been building hydraulic components and piston accumulators since 1952, combining in-house production with design, approvals and service for customers worldwide. Today, Roth Hydraulics operates three production sites and 16 sales offices as part of the family-owned Roth Industries group.
DIN EN ISO 14001 – Environmental Management
DIN EN ISO 9001 – Management Systems
DIN EN ISO 9001 – China Site
PED Module D – Bladder Accumulators
Compliance program
Module A2 – Pressure Equipment Testing for Diaphragm Accumulators
Compliance program
ASME U – Pressure Vessels
ML China
ABS Marine – Bladder Accumulators
ABS Marine – Piston Accumulators
EAC
KGS Korea – Pressure Vessels
Bureau Veritas Marine and Offshore – Bladder Accumulators
DNV Ships – Bladder Accumulators
DNV Ships – Piston Accumulators
UA Module B+D – Piston Accumulators
UA Module B+D – Bladder Accumulators
UA Module B+D – Diaphragm Accumulators
UA Module D
GKV Code of Conduct Certification
Compliance program
ABS
Quality certification
GPM ControlsFounded in Carlisle, Pennsylvania, in 2016, GPM Controls manufactures the Schrupp bladder accumulator and serves as Roth Hydraulics’ exclusive North American representative for piston accumulators. Led by president Dan Turner, who entered his family’s hydraulic service business in the early 1980s, the company supplies accumulator repair kits and related components through distributors while also helping customers configure specialized hydraulic projects.CARLISLE, 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
J.D. Neuhaus GroupSince 1745, family-run J.D. Neuhaus Group has developed and made pneumatic and hydraulic hoists, crane systems, and conveying solutions from its headquarters in Witten, Germany. Its equipment is built for demanding industrial work, including continuous-duty lifting and hazardous environments, while the company supports customers through a global service and partner network spanning more than 90 countries. The eighth generation of the Neuhaus family joined management in 2025, continuing an unusually long independent manufacturing tradition.SPARKS GLENCOE, MD
HUNGER Hydraulik GroupFounded in 1945, HUNGER Hydraulik Group develops and manufactures hydraulic components and complete systems, with a particular focus on custom large and special cylinders. From its origins in Walter Hunger’s postwar forge and first hydraulic truck-tipping plant, the group has grown to 14 companies and about 400 employees worldwide. Its Lohr-based core company produces cylinders up to 4,000 millimeters in diameter and 30 meters long, while specialized coating technologies support demanding applications in environments ranging from offshore projects to hydroelectric construction.