What Riester does

Riester GmbH is a German family-owned (Familienunternehmen) special purpose machine builder headquartered in Aspach, Baden-Württemberg, operating since 1981 in the design and manufacture of capital equipment for the assembly and reinforcement of fluid hose line systems serving the global automotive and commercial vehicle industries. The company's product portfolio centers on crimping presses (MCR/HDFS force-stroke series co-developed with Oetiker, HDSP/HESP horizontal crimping machines, RPS radial presses), high-frequency drilling machines (HFB), modular automation and assembly systems, and test stations (PLUW underwater leak monitoring), with the diversification product ecell-guard extending into electric vehicle fire safety. Machines integrate Siemens S7 and B&R industrial controls, with high vertical integration including in-house 5-axis machining and 3-shift production enabling short response and delivery times.

The business operates on a project-based B2B capital equipment sales model with multi-year contracts and individual quotations based on machine specifications and customization level; revenue is generated primarily through one-time equipment sales supplemented by professional services including process consulting, servicing, and training. Direct enterprise sales engagement spans from design consultation through installation and international servicing for what the company describes as world-renowned global manufacturers of fluid hose line systems; specific customer logos are not publicly disclosed. The company recently onboarded an undisclosed international strategic partner as an equity stakeholder to support international expansion, holds DIN EN ISO 9001:2015 quality certification, and continues active hiring across CNC machining, controls engineering, and service technician roles.

Name

Riester

Legal name

Riester GmbH

Website

https://riester-sondermaschinen.de

Company type

Private

Founded year

1981

Operating status

Operating

Headcount range

101–250 employees

Short description

Riester GmbH is a German family-owned special purpose machine manufacturer founded in 1981, designing crimping presses, high-frequency drilling machines, and modular assembly systems for global automotive and commercial vehicle fluid hose line system producers, with diversification into EV fire safety via ecell-guard.

Ownership category

akta.pro rank

Product category

Special Purpose Industrial Machinery

NAICS

Other General Purpose Machinery Manufacturing (3339)

SIC

Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050)

akta.pro primary industry

Hoses, Tubing & Fittings (Hydraulic/Pneumatic Lines & Connectors) (IMAHAGAH)

Keywords

• Special purpose machines
• Hose crimping machines
• Radial crimping presses
• Hose assembly automation
• Industrial drilling machines

Headquarters

HQ city

Aspach

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. Special Purpose Machine Sales: Design, manufacture, and sale of custom special purpose machines for hose line system assembly and reinforcement. Machines include stand-alone units and modular assembly systems. Revenue generated from equipment sales with significant project customization.
2. Process Consulting Services: Process consulting, servicing, and training services related to special purpose machines and production optimization.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Riester designs and manufactures special purpose machines for the assembly and reinforcement of fluid hose line systems, primarily for automotive and commercial vehicle manufacturers. Its product portfolio includes force-stroke crimping machines (MCR/HDFS series), horizontal crimping machines (HDSP/HESP), radial crimping presses (RPS), high-frequency drilling machines (HFB), modular automation and assembly systems, and leak test stations, with the ecell-guard automatic fire blanket for EVs as a related diversification.

Product overview

Riester specializes in special purpose machines for hose line system assembly and reinforcement in the automotive and commercial vehicle industry. The product portfolio centers on crimping machines (MCR/HDFS, HDSP/HESP series for horizontal pressing, RPS for radial pressing) and high-frequency drilling machines (HFB), supplemented by automation/assembly systems and test equipment. The ecell-guard represents a diversification into electric vehicle fire safety. All products are manufactured in Germany at the Aspach facility.

Differentiator

Problem solved

Functional benefit

Brands

• ecell-guard: Automatic fire blanket product for electric vehicle fire safety, deployed automatically when heat and smoke are detected

Products and services

• MCR-50 / MCR-132 Force-Stroke Crimping Machines Radial crimping machines for pressing rings onto hose assemblies, developed jointly with Oetiker, serving automotive and commercial vehicle fluid hose line manufacturers. MCR-50 covers 5-50mm diameter and MCR-132 covers 50-132mm diameter, using a B&R control system with eight interchangeable segments for easy diameter changes.
• HDFS-01 Horizontal Force-Stroke Crimping Machine Horizontal force-stroke crimping machine for hose line system assembly, offering 35t maximum pressing force (65t for stainless steel), 176mm travel, and eight interchangeable segments per crimping ring, controlled by B&R control system.
• HDSP-07 Horizontal Double Crimping Machine Horizontal double crimping machine for simultaneous crimping on both ends of a hose line assembly, featuring 25t max pressing force (65t for stainless steel), 2kN insertion force, and sensor-based process monitoring on each side with technological data recording.
• HESP-04 Horizontal Single Crimping Machine Horizontal single crimping machine with one crimping ring, optimized for lines with molded hoses or very short/long hoses. Uses a hydraulic pressing process, open press system for good handling, automatic hose tensioning and plugging via servo axis, and Siemens S7-150F controller.
• RPS-04 Radial Crimping Press Radial press for pressing aluminum or steel sleeves onto pipes, with integrated O-ring control via camera system, servo motor setting for press dimension, minimum-quantity lubrication, and Siemens control with touch panel. Provides 2 tons of pressing force with noise emission under 50 dB.
• HFB-05 High-Frequency Drilling Machine High-frequency drilling machine for drilling aluminum pipes and hollow bodies with low wall thickness. Features a water-cooled HF spindle with 5,000-30,000 RPM range, programmable drill feed, cooling unit, and minimum-quantity lubrication system.
• Automation and Assembly Systems Flexible, modular assembly systems including assembly facilities, assembly lines, and robot cells. Built from standard modules to enable process swapping, part family flexibility, and space-optimized, process-monitored installations, including the Msys assembly line.
• PLUW-01 Underwater Leak Test Station Underwater leak monitoring system for testing reinforced piping systems. Features a Siemens S7-300 controller with 500 dataset memory capacity, Simatic HMI TP700 Comfort touch panel interface, and test pressures ranging from 8-40 bar.
• Test Equipment and Gauges Supporting test equipment and gauges including assembly gauges with monitoring, molded hose gauges, combi-gauges, prefabricated part gauges, pipe elbow gauges, pneumatically assisted mounting devices, drill devices, twin soldering devices, and hose marking systems.
• ecell-guard Automatic Fire Blanket Automatic fire blanket system for combating electric vehicle fires. Connects to a fire alarm control panel and deploys automatically when heat and smoke are detected, completely covering the vehicle to give fire brigades more reaction time.

Quantifiable outcome

• Short response and delivery times through high vertical integration
• +1 more outcomes

Named customers1 record

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature7 records

Partnerships

One partnership is on record.

• OetikercoreStrategic or Co-development PartnerGlobal leader in high-end connecting solutions for the vehicle industry and high-value industrial applications. Developed the MCR series radial crimping machine in close proximity with Oetiker for ring crimping applications. This partnership establishes Riester's technology leadership in crimping solutions for the automotive sector.

Scale indicators3 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Parker Hannifin: Global motion and control technologies leader with substantial industrial hose, fittings, and assembly-equipment divisions. Comparable customer base in automotive and industrial fluid handling; Parker both buys and builds competing hose-assembly technology.
• Schuler Group: Large global press technology and automation specialist whose press and forming equipment can serve automotive fluid and component manufacturers. Significantly larger scale and broader portfolio, but overlaps with Riester on press-based manufacturing systems for tier-1 automotive suppliers.
• Continental (ContiTech): German industrial conglomerate with a ContiTech division producing industrial hose, hose lines, and fluid conveyance systems for automotive and industrial customers. Highly comparable customer base and a potential in-house assembler that competes with Riester-supplied equipment.
• Danfoss: Danish industrial group with a strong fluid handling and power solutions portfolio serving automotive, mobile machinery, and industrial OEMs. Comparable end-customer relationships and an active acquirer/integrator in fluid-systems technology.
• Gates: Global industrial and automotive fluid power and power transmission manufacturer, with substantial industrial hose and connector offerings. Operates in the same downstream ecosystem and uses similar assembly equipment at scale for OEMs globally.
• Eaton: Large US-based industrial manufacturer with significant presence in industrial hose, fittings, and fluid conveyance for automotive and commercial vehicles. Overlaps with Riester's served customers and is a natural strategic counterpart given global scale.

Regional players

• REHAU: German polymer-based industrial solutions provider with adjacent industrial hose and connector solutions in DACH/EU markets. Regional overlap in customer base and serves as a comparable Mittelstand competitor for niche fluid systems work.

Direct peers

• Norma Group: German/Swabian-based manufacturer of engineered connecting technology (clamp, fastener, fluid handling) with deep presence in automotive and industrial fluid systems. Closely comparable customer base and a direct adjacent product portfolio to Riester's hose-line ecosystem.
• Oetiker: Global Swiss leader in connecting solutions (clamps, rings, quick connectors) and Riester's MCR/HDFS co-development partner. Operates in the same hose-connector ecosystem, serves the same automotive OEMs, and has in-house capabilities adjacent to Riester's assembly machinery, making it both a partner and a natural strategic comparator.
• WAFIOS AG: German family-owned mid-sized manufacturer of special purpose machinery for wire forming, bending, and tube processing. Comparable Mittelstand profile, similar scale, and serves overlapping automotive and industrial customers with similarly engineered custom machines.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/b.-riester-gmbh

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Riester