STEELDESIGN ExLine

What STEELDESIGN ExLine does

STEELDESIGN GmbH is a privately held German specialty manufacturer of stainless-steel enclosures and housings, headquartered in Troisdorf. The company designs, engineers, and produces both standard and custom enclosures — wall housings, terminal boxes, control cabinets up to 12m in size, and special housings — in stainless-steel grades 1.4301, 1.4404, and 1.4571, with operating-temperature ranges from -40°C to +170°C and ingress protection spanning IP54 through IP69K. Its core technology stack rests on a portfolio of patented sealing and construction innovations, including the claimed invention of the IP69K protection class for stainless housings, Gap-0 / convex-canting geometry, a 2-component knife-edge seal, sandwich double-sealing, and patented lifting-lowering hinges and slip-ring sash closures. Product lines include ExLine for explosion-protected applications (ATEX, IECEx, TÜV-certified for Zones 1, 2, 21, 22), HygienicLine for food and pharmaceutical hygienic environments (BGN-certified to DIN EN 1672-2:2009), and L.O.X / BDE / Panel-PC specials for industrial, outdoor, and transportation use cases.

The company operates a B2B direct-sales model with a small team (input data lists 6 employees; the company self-describes as medium-sized), led by Managing Director Marc Brelowski and supported by a technical field-sales representative (Philipp Straub) and an internal sales contact (Britta Stiller). GTM combines enterprise field sales, inside sales via phone/email and online consultation meetings with screen sharing, and presence at trade events in food, pharmaceutical, and industrial-manufacturing verticals. Revenue mechanics are entirely quote-based, one-time per project (no recurring license or service revenue), with prices set per specification, customization, and order quantity. Geographic footprint is anchored in Germany but sold as globally shipped from the Troisdorf facility.

STEELDESIGN's customer base spans food and beverage (primary vertical), pharmaceutical manufacturing, oil & gas and chemical operators requiring ATEX/IECEx housings, general industrial manufacturers needing IP-rated enclosures, and outdoor/transportation applications. The company holds multiple regulatory certifications — ATEX, IECEx, TÜV, BGN, NEMA 4X, VDE — alongside its patent portfolio, which collectively form the basis of its competitive positioning as a high-customization, certification-rich specialist in a niche dominated by larger but less customized enclosure makers.

Name

STEELDESIGN ExLine

Legal name

STEELDESIGN GmbH

Website

https://steeldesign.de

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

STEELDESIGN GmbH is a privately held German manufacturer of custom and standard stainless-steel enclosures for food, pharmaceutical, hazardous-area, industrial, and transportation customers, with patented sealing technology and ATEX/IECEx/BGN certifications.

Ownership category

akta.pro rank

Product category

Industrial Electrical Enclosures

NAICS

Sheet Metal Work Manufacturing (332322)

SIC

Electrical Industrial Apparatus (3620)

akta.pro primary industry

Substation Control Houses, Enclosures & Physical Infrastructure (EUADACAK)

Keywords

• Stainless steel enclosures
• Explosion-proof housings
• Industrial control cabinets
• Hygienic design enclosures
• Custom metal enclosures

Headquarters

HQ city

Troisdorf-Spich

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, Infrastructure

Revenue model

1. Custom Stainless Steel Enclosures: Manufacturing and sale of custom-made stainless steel housings tailored to customer specifications, including custom sizes, cut-outs, and equipment configurations.
2. Standard Enclosure Products: Production and sale of standard enclosure product lines including wall housings, terminal boxes, control cabinets, and special housings in various IP protection classes.
3. Configured/Equipped Housings: Pre-configured housings with installed components such as assembly plates, serial terminals, flange plates, sight glasses, and other accessories.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

STEELDESIGN GmbH manufactures custom and standard stainless steel enclosures (Wandgehäuse, Klemmenkästen, Schaltschränke) with IP protection classes from IP54 through IP69K, plus specialized explosion-protected (ExLine) and hygienic-design (HygienicLine) housings for food, pharmaceutical, chemical, and industrial customers. The company produces both standard catalog products and fully customized enclosures built to customer specifications, with sizes up to 12 meters.

Differentiator

Problem solved

Functional benefit

Products and services

• Wandgehäuse (Wall Enclosures) Stainless steel wall enclosures available in IP66 and IP69K protection classes, offered as standard versions or as individually customized (Individuelle Ausführung) solutions for industrial customers requiring equipment protection in harsh environments.

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Scale indicators3 records

Recent moves5 records

Expansion highlights6 records

Direct peers

• Fibox Oy: Fibox produces polycarbonate, aluminum and stainless steel enclosures for industrial and hazardous-area applications, with a focus on modular and customized solutions. Comparable offering to STEELDESIGN's wall and terminal enclosures, with similar mid-sized European manufacturer profile.
• Stahlin Enclosures (Robroy Industries): Stahlin specializes in non-metallic and stainless steel enclosures for industrial, hazardous and outdoor applications. Comparable mid-sized specialist to STEELDESIGN, with NEMA 4X ratings and customization services for similar end markets.
• Eldon Enclosures: Eldon manufactures steel, stainless steel and aluminum enclosures (wall, floor-standing, terminal boxes) for industrial automation. Overlaps directly with STEELDESIGN's standard and custom stainless enclosure lines across European industrial customers.
• Phoenix Mecano (Bopla): Phoenix Mecano's Bopla brand manufactures plastic, aluminum and stainless steel enclosures for industrial electronics. Overlaps with STEELDESIGN's industrial enclosure range, particularly for custom and hygienic/ATEX use cases in the DACH region.
• Rose Systemtechnik: Rose is a German manufacturer specializing in stainless steel and explosion-proof (ATEX/IECEx) enclosures for hazardous and hygienic environments. Closest direct peer to STEELDESIGN's ExLine and HygienicLine offerings, serving the same European industrial customers.
• Hammond Manufacturing: Hammond produces a wide catalog of standard and modified enclosures in steel, stainless and aluminum for industrial and hazardous environments. Comparable to STEELDESIGN on product breadth and customization model, though primarily North American in distribution.

Broad incumbents

• Rittal GmbH & Co. KG: Rittal is the global market leader in industrial enclosures and control cabinet technology, including stainless steel and ATEX lines. Directly comparable product portfolio (wall housings, terminal boxes, control cabinets) with substantially larger scale and global reach.
• nVent (Hoffman brand): nVent's Hoffman brand offers a broad portfolio of industrial enclosures including stainless steel and NEMA 4X-rated products for food, pharma and outdoor applications. Comparable in product category, but much larger, US-listed, and globally distributed.
• Schneider Electric (Spacial enclosures): Schneider's Spacial/Spacewall range covers steel and stainless steel enclosures for industrial automation and ATEX environments. Comparable product family with global service network, but distributed through a much broader electrical-equipment sales channel.

Emerging players

• Weidmüller Interface GmbH: Weidmüller offers industrial enclosures, terminal boxes and connectivity solutions, often paired with explosion-protection and EMC variants. Comparable DACH-based specialist in enclosures for industrial automation, with a deeper electronics/connectivity portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks1 record

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/steeldesign-exline

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 STEELDESIGN ExLine