Maysteel Industries, LLC

What Maysteel Industries, LLC does

Maysteel Industries, LLC is a Wisconsin-headquartered custom sheet metal fabricator founded in 1935, specializing in precision OEM enclosures, cabinets, and metal structures for enterprise customers. The company operates six North American manufacturing facilities spanning Wisconsin, Texas, Virginia, Colorado, and Monterrey, Mexico, with combined capacity exceeding 900,000 sq. ft. and approximately 800 employees. Maysteel serves five primary verticals: data centers (via the 30-year DAMAC sub-brand offering server racks, aisle containment, and modular structures), renewable energy (battery storage, solar inverters, EV charging enclosures), critical infrastructure (NEMA-rated enclosures for UPS, transformers, ATS, generators, switchgear), self-serve retail kiosks, and security enclosures for ATMs and safes. Its manufacturing capabilities span stamping (150-500 ton presses), CNC punching, fiber laser cutting, press brake forming, robotic and manual welding, in-house powder coat finishing (60 standard colors plus custom, passing a 1,500-hour salt-spray test), and assembly, supported by a dedicated 5,000 sq. ft. Innovation Center for prototyping and a certified Project Management Office.

The business model is project-based and custom: revenue is generated through large-scale, multi-year production programs priced by material types, program size, and product complexity, with no off-the-shelf catalog. Go-to-market is enterprise direct sales via cross-functional teams of account managers, engineers, manufacturing leaders, and customer service representatives. All North American facilities are ISO 9001:2015 certified, with NEMA 3/3R/4, ANSI, and UL credentials serving as gating qualifications for utility and enterprise buyers. Maysteel has been the subject of three acquisitions since 2017 (DAMAC, Porter's Group, Star Precision Manufacturing) and was itself sold by Littlejohn Capital to Steele Solutions (a Revelar Capital portfolio company) in April 2026, positioning the combined entity as a broader engineered products platform across material handling, data center, and electrical design markets.

Name

Maysteel Industries, LLC

Legal name

Maysteel Industries, LLC

Website

http://www.maysteel.com

Company type

Private

Founded year

1936

Operating status

Acquired

Headcount range

251–500 employees

Short description

Maysteel Industries designs, engineers, and manufactures custom precision sheet metal enclosures, cabinets, and metal structures for enterprise customers in data centers, renewable energy, critical infrastructure, self-serve retail, and security, operating six North American facilities with approximately 800 employees.

Ownership category

akta.pro rank

Product category

Custom Sheet Metal Fabrication and Metal Enclosures

NAICS

Sheet Metal Work Manufacturing (332322), Metal Can, Box, and Other Metal Container (Light Gauge) Manufacturing (33243)

SIC

Electrical Industrial Apparatus (3620), Miscellaneous Fabricated Metal Products (3490)

akta.pro primary industry

Enclosures, Boxes & DIN-Rail Hardware (junction boxes, cabinets, panel enclosures, DIN rail, gland plates) (IMAGAEAH)

akta.pro secondary industries

Industrial Control Panels & Enclosures (Panel Building, MCCs, Integration) (IMAGABAJ), Racks, Cabinets & Physical Enclosures (HDABAKAF)

Keywords

• Custom sheet metal fabrication
• OEM metal enclosures
• Data center server racks
• Precision metal fabrication
• Custom industrial enclosures

Headquarters

HQ city

Allenton

HQ country

United States

HQ region

North America

Offices7 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Custom Metal Enclosures and Fabricated Solutions: One-time project-based revenue from custom metal enclosure fabrication including data center products, renewable energy enclosures, essential infrastructure enclosures, self-serve retail kiosks, and security enclosures. Revenue is generated through large-scale production programs with pricing based on material types, program size, and product complexity.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Maysteel Industries designs, engineers, and manufactures custom, precision OEM sheet metal enclosures, cabinets, racks, and integrated fabricated solutions. Its portfolio spans DAMAC-branded data center products (server racks, aisle containment, modular structures), NEMA-rated essential infrastructure enclosures, renewable energy cabinets, self-serve retail kiosks, and tamper-resistant security enclosures, produced through in-house stamping, forming, welding, finishing, assembly, and design engineering across six North American facilities.

Product overview

Maysteel Industries is a complex sheet metal fabricator offering scalable fabrication for data centers, critical infrastructure, and diversified industrial markets. The product portfolio centers on custom metal enclosures and precision fabricated solutions organized around the DAMAC sub-brand for data center solutions and a broad enclosures product line. DAMAC-branded products include custom server racks (FasTrak, Axis, Seismic, OCP), aisle containment solutions, and modular structures. The core enclosures portfolio covers essential infrastructure enclosures (UPS, transformer, ATS, generator, switch gear), renewable energy enclosures (battery storage, solar inverters, EV charging), self-serve retail kiosks, and safes/security enclosures. Manufacturing capabilities include in-house metal stamping, forming/punching, welding/joining, finishing (powder coat paint), design engineering, prototyping, and project management. The company operates six North American facilities across Wisconsin, Colorado, Virginia, Texas, and Mexico.

Differentiator

Problem solved

Functional benefit

Brands

• DAMAC: Custom data center products including server racks, aisle containment solutions, modular structures, and network racks. Trusted by major tech companies for over 30 years.

Products and services

• DAMAC Server Racks Custom engineered server racks for data centers (including the FasTrak pre-populated 3,000-lb rack, Axis front-to-back airflow rack, NEBS GR-63 Zone 4 seismic rack, and OCP triple-wide 4,500-lb rack) available in 42U, 45U, 48U, and 52U heights, serving hyperscale, colocation, edge, cloud, and enterprise data center operators.
• Aisle Containment Solutions Custom hot and cold aisle containment systems including vertical panels, aisle top panels, and end-of-row door kits engineered to improve data center cooling efficiency and support high-density compute environments.
• DAMAC Modular Data Center Structures Prefabricated modular data center structures integrating cable management, aisle containment, and busway systems that streamline buildouts and can be deployed up to 75% faster than traditional data center construction methods.
• CableAxis Network Rack Wider-footprint network rack designed to accommodate the cabling requirements of routers, switches, and other network gear with side-to-side airflow for data center network infrastructure.
• Wall Mount Racks Heavy-duty and standard wall mount racks for storing network equipment in space-constrained data center and IT environments, with load capacities up to 300 lbs.
• Essential Infrastructure Enclosures Custom NEMA-rated metal enclosures for critical infrastructure including UPS systems, transformers, ATS, generators, switchgear, battery backups, and PDU applications serving municipalities, utilities, businesses, and homeowners.
• Renewable Energy Enclosures Custom enclosures and cabinets for renewable energy storage, generators, solar inverters, battery storage systems, and EV charging applications, manufactured to meet NEMA 3R and NEMA 4 weather-resistance ratings.
• Self-Serve Retail Kiosks and Enclosures Custom kiosks including point-of-sale kiosks, retail kiosks, wayfinding kiosks, self-checkout kiosks, outdoor retail kiosks, and vending units engineered for high-traffic durability, brand customization, and outdoor weather resistance.
• Safes and Security Enclosures Theft-resistant, tamper-proof metal enclosures including ATM enclosures, retail safes, and self-service lockers designed for durability under repeated use and environmental conditions, serving financial institutions and retailers.
• Star Precision Manufacturing (Sheet Metal Fabrication and Machining) Sheet metal fabrication and machining offering in-house fabrication, CNC machining, powder coat paint, and assembly solutions, with ISO 9001:2015-certified operations in Colorado; functions as an acquired brand serving data center and industrial customers.

Quantifiable outcome

• Engineering library and process allow delivery of custom server rack solutions in 8-10 weeks
• +4 more outcomes

Named customers5 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Star Precision ManufacturingcoreOthers · 16 January 2024Maysteel acquired Star Precision Manufacturing, Inc., a sheet metal fabrication and machining company, to diversify capabilities and markets. The acquisition included Star Precision's operations in Colorado.

Scale indicators6 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• Chatsworth Products (CPI): Chatsworth Products is one of the largest direct competitors to Maysteel's DAMAC line, specializing in server racks, cabinets, cable management, and aisle containment for hyperscale, colocation, and enterprise data centers. Their product portfolios and target customers (hyperscalers, colos) overlap closely with Maysteel's data center segment.
• Rittal (F. Rittal Foundation): Rittal is a global leader in industrial and IT enclosures, including server racks, outdoor enclosures (NEMA/IP-rated), and modular data center infrastructure. Comparable to Maysteel's DAMAC brand and broader enclosure offerings for power and renewables, though with much broader international reach and standardized product breadth.
• nVent Electric (Hoffman brand): nVent's Hoffman brand is a major manufacturer of electrical and industrial enclosures (NEMA-rated, modular, custom) used in power distribution, infrastructure, and renewable energy applications. Direct overlap with Maysteel's essential infrastructure enclosure business and outdoor/NEMA-rated cabinets.
• Hammond Manufacturing: Hammond manufactures standard and modified standard electrical/electronic enclosures, racks, and cabinets for industrial, datacom, and infrastructure markets. Overlaps with Maysteel on NEMA/IP-rated enclosures and data center cabinets, with strong distribution channels complementing custom shop business.
• Vertiv Holdings: Vertiv is a leading global provider of critical digital infrastructure, including server racks, integrated cabinet solutions, cooling, and power for data centers. Its rack and enclosure portfolio competes directly with Maysteel's DAMAC server rack family and targets the same hyperscaler and colo customers.
• Great Lakes Case & Cabinet: Great Lakes Case & Cabinet manufactures standard and custom NEMA-rated enclosures and cabinets for industrial, power, and renewables applications. A smaller, regional-scale competitor with similar custom fabrication capabilities as Maysteel's essential infrastructure and renewable energy enclosure lines.

Broad incumbents

• Schneider Electric: Schneider Electric is a global incumbent in electrical distribution and data center infrastructure, offering enclosures, switchgear cabinets, and integrated data center solutions under brands like APC and Square D. Overlaps with Maysteel's industrial enclosure work but as part of a much broader portfolio including power, building automation, and software.
• Eaton Corporation: Eaton is a diversified power management company whose B-Line, Hoffman, and Wrightlin brands compete with Maysteel's NEMA-rated enclosures for switchgear, transformers, and critical infrastructure. Comparable in the essential infrastructure enclosure segment but operating across a far larger electrical portfolio.
• Legrand (North America / Ortronics / Starline): Legrand provides data center, AV, and electrical infrastructure including server racks, cabinets, and cable management, competing with Maysteel in the data center segment while serving broader datacom and electrical infrastructure markets globally.

Emerging players

• Stahlin Enclosures: Stahlin specializes in non-metallic (fiberglass and polycarbonate) NEMA-rated enclosures for harsh-environment applications including renewables and infrastructure. Partial overlap with Maysteel's outdoor NEMA enclosure business but with a different material platform, representing a niche specialty competitor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/331967106882736
• Xx.com/MAYSTEEL_LLC
• LinkedInlinkedin.com/company/28090

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries1 record

Funding overview

Funding rounds2 records

Investors1 record

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

M&A3 records

Investments

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

Frequently asked questions about Maysteel Industries, LLC