Heitz GmbH

What Heitz GmbH does

Heitz GmbH is a family-owned German Mittelstand manufacturer founded in 1945 in Rheinstetten, Baden-Württemberg, by Max Gustav Heitz, who was among the pioneers of metal bellows development in Germany. The company specializes in flexible tube components—metal bellows (Metallbälge), expansion joints (Kompensatoren), bellows assemblies (Balgkomponenten), corrugated tubes (Wellrohre), and customer-specific special form parts (Sonderformteile)—manufactured predominantly to customer specification using self-developed in-house forming equipment. The technology centers on ring-shaped parallel convolutions in thin-walled metal, applied across nine industrial use cases: mechanical/plant engineering, tube and pipe technology, pumps and valves, drive technology, measuring/sensing/control, heating/sanitary/solar, vacuum/energy, automotive, and medical technology.

The business model is B2B direct sales of predominantly custom-engineered components to industrial customers worldwide, with engineering involvement that begins in the customer's product development phase as a technical consultant. Pricing is private and customer-specific; no public list pricing is offered. Distribution is direct from the single Rheinstetten headquarters/manufacturing facility, and the firm holds ISO 9001:2015, AD 2000-HP0, DVGW (CP0601), and CE0036 certifications across German, English, and French documentation. The company is led by second/third-generation family managing directors Dr.-Ing. Max-Jürgen Heitz and Tobias Heitz, with no external shareholders, parent entity, subsidiaries, or venture funding disclosed. Operations are supported by a long-running apprenticeship program that has produced 87 graduates, recognized in 2020 by the Handwerkskammer Karlsruhe for vocational training excellence.

Name

Heitz GmbH

Legal name

HEITZ GmbH

Website

https://heitz-gmbh.de

Company type

Private

Founded year

1945

Operating status

Operating

Headcount range

1–10 employees

Short description

Heitz GmbH is a family-owned German manufacturer founded in 1945, producing custom metal bellows, expansion joints, bellows assemblies, corrugated tubes, and special form parts for industrial customers across nine application areas including mechanical engineering, piping, pumps, automotive, and medical technology worldwide.

Ownership category

akta.pro rank

Product category

Metal Bellows & Expansion Joints

NAICS

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel (331210)

SIC

Steel Pipe & Tubes (3317), Sheet Metal Work (3444)

akta.pro primary industry

Pipe & Tube Manufacturing (Seamless & Welded OCTG/Line Pipe/Structural Tube) (IMAKABAI)

Keywords

• Metal bellows manufacturing
• Expansion joints
• Flexible tube components
• Corrugated metal tubes
• Bellows assemblies

Headquarters

HQ city

Rheinstetten

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Infrastructure

Revenue model

1. Metal Bellows and Expansion Joints Sales: Direct B2B sales of custom metal bellows, expansion joints, bellows assemblies, corrugated tubes, and special form parts to industrial customers worldwide

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Heitz GmbH designs and manufactures custom flexible tube components for industrial customers worldwide. Its portfolio includes metal bellows, expansion joints, bellows assemblies, corrugated tubes, and customer-specific special form parts. Production is predominantly made-to-order based on individual customer specifications across multiple industries.

Product overview

Heitz GmbH is a medium-size company specializing in the production and worldwide distribution of flexible tube components, particularly Metal Bälge (Metal Bellows), Kompensatoren (Expansion Joints), Balgkomponenten (Bellows Assemblies), Wellrohre (Corrugated Tubes), and Sonderformteile (Special Form Parts). Founded in 1945, the company has over 70 years of experience in metal-forming technology. The product portfolio is predominantly customer-specific, serving industries including measuring/sensing/control, mechanical/plant engineering, drive technology, pumps & valves, tube & pipe technology, heating/sanitary/solar, vacuum & energy, automotive, and medical technology. The company offers both standard products and custom-engineered solutions.

Differentiator

Problem solved

Functional benefit

Products and services

• Metal Bellows (Metallbälge)

Segments9 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• JobRad DeutschlandminorGTM or Marketing Partner · 1 March 2025Company bicycle leasing partnership allowing employees to lease bicycles through JobRad Deutschland. Benefits include improved employee wellbeing and environmental sustainability through reduced CO2 footprint. Partnership implemented March 1, 2025.

Scale indicators5 records

Recent moves4 records

Expansion highlights3 records

Broad incumbents

• Crane Co. (Crane ChemPharma & Energy): US-listed diversified industrial group supplying process flow and fluid handling equipment, including expansion joints, to chemical, petrochemical, and power customers. Broader incumbent with overlapping product lines.
• Parker Hannifin Corporation: Global diversified industrial manufacturer with motion and control technologies that include expansion joint and sealing solutions. Overlaps with Heitz in fluid handling and plant engineering applications at much larger scale.

Direct peers

• Senior plc (Flexonics division): UK-listed engineering group with a Flexonics division producing metal bellows and expansion joints for piping, automotive, and industrial markets. Direct competitor in core product categories.
• Technoflex SAS: French manufacturer of metal bellows and flexible tube components for industrial and energy applications. Comparable custom-manufacturing model with regional European presence.
• Metraflex Company: US-based manufacturer of metal expansion joints and related flexible piping components. Comparable product range serving HVAC, industrial, and process piping markets.
• U.S. Bellows, Inc. US manufacturer of expansion joints and metal bellows for industrial piping systems. Directly comparable specialty manufacturer serving power, petrochemical, and process industry customers.
• Kompensatoren-Fabrik GmbH & Co. KG: German specialist manufacturer of expansion joints (Kompensatoren) for piping systems. Closest geographic and product-line competitor to Heitz with focus on industrial plant construction.
• BOA Group (BOA Metal Solutions / BOA Bellows): International manufacturer of metal bellows and engineered flexible components. Competes directly with Heitz in expansion joints and bellows assemblies across industrial end-markets.
• Witzenmann GmbH: Germany-based global leader in metal bellows, expansion joints, and flexible pipe elements. Directly comparable product portfolio with overlapping industrial customers and significantly larger scale.

Emerging players

• BellowsTech: US-based specialist in edge-welded and laser-welded metal bellows serving aerospace, semiconductor, and industrial OEM customers. Niche overlap with Heitz in custom bellows technology.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/heitz-gmbh-rheinstetten

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

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 Heitz GmbH