Millerbernd Manufacturing Co.

What Millerbernd Manufacturing Co. does

Millerbernd Manufacturing Co. is a third-generation, family-owned heavy steel manufacturer founded in 1933 in Winsted, Minnesota, operating two divisions: Transportation and Infrastructure, and Circular Products. The Transportation and Infrastructure division produces DOT-certified steel poles and structures for traffic signals, roadway and interstate lighting, high mast lighting, decorative lighting, overhead catenary systems for mass transit, and intelligent transportation system hardware. The Circular Products division manufactures precision-rolled and welded steel rings (8 to 144 inches in diameter), circular weldments, rolled plate, ASME-certified pressure vessels, and FAA-certified airfield ground lighting components. The company employs 625-700 people across its Winsted headquarters and Sauk Rapids facility, operates 900,000+ square feet of manufacturing capacity, rolls approximately 30,000 tons of USA steel per year, and holds DOT certifications in 40+ states along with full Tier 1 Build America Buy America compliance.

The business operates on a project-based, quote-driven hardware sales model. Products are custom-fabricated to project specifications and sold through a network of regional sales representatives across most US states, supplemented by direct enterprise quote requests, with payments on net 30 terms and pricing valid for 45-90 days per quote. The customer base is bifurcated between government clients (state DOTs, transit authorities, FAA-certified airports, military bases) and enterprise OEMs (John Deere, ABB, Nidec, Trane, Con-Tech) across infrastructure, defense, wind energy, rail, HVAC, mining, and construction equipment verticals. Strategic growth has been driven by acquisitions (Olson Companies' Airport Ground Lighting division in 2017; C4 Welding in May 2025), expansion of in-house capabilities through proprietary processes such as flash welding, the Millerbond coating system, and a 5-axis HGG ProCutter, and ongoing state-by-state DOT certification expansion.

Millerbernd's competitive position rests on regulatory barriers (40+ state DOT certifications, FAA, ASME, AAR), capital-intensive manufacturing scale (specialized equipment including one of the largest plate rollers in the US), and 92 years of domain specialization in circular and transportation products. The company maintains a 60-year no-layoff track record and 100% domestic steel sourcing, supporting both BABA compliance and supply chain reliability for time-sensitive infrastructure projects. Distribution is exclusively domestic through direct enterprise sales and a rep network, with no public pricing, no software platform, and no disclosed external funding.

Name

Millerbernd Manufacturing Co.

Legal name

Millerbernd Manufacturing Company, LLC

Website

https://millerbernd.com

Company type

Private

Founded year

1933

Operating status

Operating

Headcount range

251–500 employees

Short description

Millerbernd Manufacturing Co. is a family-owned, 92-year-old heavy steel manufacturer producing DOT-certified traffic and lighting structures and precision-rolled circular products (rings, weldments, pressure vessels, airfield lighting) for state DOTs, transit authorities, airports, and industrial OEMs across the United States.

Ownership category

akta.pro rank

Product category

Steel Infrastructure & Circular Metal Products Manufacturing

NAICS

Plate Work and Fabricated Structural Product Manufacturing (33231), Ornamental and Architectural Metal Products Manufacturing (33232)

SIC

Fabricated Structural Metal Products (3440), Sheet Metal Work (3444), Steel Pipe & Tubes (3317)

akta.pro primary industry

Bridge & Infrastructure Steel Components (IMADACAL)

Keywords

• Steel pole manufacturing
• Traffic signal structures
• Roadway lighting poles
• Circular metal fabrication
• Industrial steel manufacturing

Headquarters

HQ city

Winfred

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Transportation & Infrastructure Products: Design, fabrication, and delivery of DOT-certified traffic structures, roadway lighting, high mast lighting, decorative lighting, overhead catenary system poles, and intelligent transportation system hardware. Products are sold as one-time purchases with custom specifications per project.
2. Circular Products: Manufacturing of rings, circular weldments, rolled plate, and pressure vessels for various industries including defense, wind energy, rail, HVAC, construction, mining, and airfield ground lighting. Revenue generated through custom fabrication orders.
3. Airfield Ground Lighting Components: L-867 and L-868 base cans, base plates, covers, mud plates, accessories, tip down poles, and fixed beacon poles for airports, sold through partnership with Airside Solutions.
4. ASME-Certified Pressure Vessels: Manufacturing of pressure vessels for oil, gas, chemical, power generation, water treatment, and HVAC industries with ASME U STAMP and R STAMP certifications.

Pricing tiers

Go-to-market motion3 records

Distribution channels2 records

Marketing channels8 records

Core offering

Millerbernd Manufacturing Co. designs, fabricates, and delivers DOT-certified steel transportation infrastructure products (traffic structures, roadway lighting, high mast lighting, decorative lighting, overhead catenary systems, ITS hardware) and precision circular metal products (rolled rings, circular weldments, rolled plate, ASME-certified pressure vessels, airfield ground lighting components). The company sells custom-manufactured steel structures and components to state DOTs, airports, transit authorities, and industrial OEMs across the United States.

Product overview

Millerbernd Manufacturing Co. operates two integrated divisions: Transportation & Infrastructure and Circular Products. The Transportation & Infrastructure division manufactures DOT-certified steel poles and structures including Traffic Structures, Roadway Lighting, High Mast Lighting, Decorative Lighting, Overhead Catenary Systems (OCS), and Intelligent Transportation System (ITS) hardware. The Circular Products division produces precision-rolled and welded circular metal products including Rings, Circular Weldments, Rolled Plate, Pressure Vessels (ASME-certified), and Airfield Ground Lighting components. The company guarantees lowest total cost and operates distribution centers for circular product inventory management. Products serve Department of Transportation infrastructure, mining, construction, wind energy, rail, HVAC, defense, forestry, and aviation industries.

Differentiator

Problem solved

Functional benefit

Brands

• Millerbernd Circular Products: Expanded circular manufacturing division including ASME-certified pressure vessels, formed from the acquisition of C4 Welding in Sauk Rapids, MN.

Products and services

• Traffic Structures DOT-certified steel structures designed to support traffic signal lights, signs, and luminaries, featuring AASHTO-certified breakaway bases and best-in-class field fit-up through pre-assembly. Sold to state DOTs and transportation infrastructure contractors.
• Roadway Lighting DOT-compliant steel poles and structures for interstate highway, street, and area illumination, certified in over 40 states with dedicated project coordinators. Sold to state DOTs and roadway lighting contractors.
• High Mast Lighting Tall steel lighting structures for airports and interstate exchanges featuring proprietary stainless steel lowering devices for maintenance without cranes and dual-cable safety-redundant design. Sold to DOTs, airports, and interstate lighting contractors.
• Decorative Lighting Structures Custom and standard decorative steel poles including contemporary designs, turn-of-the-century lamp posts, and tapered fluted walkway poles available in galvanized/painted, stainless, and weathered steel. Sold to municipalities, downtown districts, and developers.
• Overhead Catenary System (OCS) Steel poles and structures engineered for mass transit electrical systems, supporting light rail and heavy rail station lighting and signaling with safety, visibility, and long-term performance. Sold to transit authorities and rail contractors.
• Intelligent Transportation System (ITS) Hardware Pole and structure solutions providing the critical foundation for ITS technologies including adaptive signals and automated traffic monitoring, engineered for reliability in high-traffic DOT environments. Sold to state DOTs and ITS integrators.
• Rings Precision-rolled and welded steel rings ranging from 8 inches to 144 inches in diameter, available in carbon steel, stainless steel, and aluminum with tolerances within two thousandths of an inch. Sold to industrial OEMs across defense, wind energy, rail, HVAC, construction, and mining.
• Circular Weldments Precision-fabricated circular weldments including motorhousings, industrial adapters, and water boxes/headers, featuring CNC machining, heat-treated surfaces, and pressure flow testing. Sold to OEMs in HVAC, construction, and industrial machinery.
• Rolled Plate Heavy plate fabrication capable of single-piece plates up to 156 inches wide, diameters from 7 inches to 144 inches, and wall thickness from .25 inches to 4 inches, using DAVI MCB X-42 plate roller technology. Sold to industrial OEMs and pressure vessel manufacturers.
• Pressure Vessels ASME-certified pressure vessels for oil, gas, chemical, power generation, water treatment, and HVAC industries, manufactured by ASME-certified welders holding U STAMP and R STAMP certifications. Sold to industrial customers and EPC contractors.
• Airfield Ground Lighting FAA-certified airfield lighting components including L-867 and L-868 base cans, base plates, covers, mud plates, spacer rings, conversion rings, tip down poles, beacon poles, and installation tools. Sold to airports, military bases, and airfield contractors through partner Airside Solutions.

Quantifiable outcome

• Delivery reliability ensures no idle crews, no surprise costs, and no scrambling to make up lost time for contractors.
• +3 more outcomes

Named customers14 records

Segments3 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

Partnerships

Two partnerships are on record, tiered core.

• C4 WeldingcoreStrategic or Co-development Partner · 15 May 2025Acquired C4 Welding, a certified precision welding and machining manufacturer in Sauk Rapids, Minnesota. The acquisition added 154,000 square feet of production space, ASME-certified pressure vessel manufacturing capabilities, and expanded circular products capacity. All C4 workforce was retained and the facility was renamed Millerbernd Circular Products. This acquisition accelerates Millerbernd's long-term growth strategy with additional capacity and access to the area's larger pool of talent.
• Airside SolutionscoreChannel Partner/ Reseller/ DistributorAirside Solutions serves as the dedicated sales, training, and technical support partner for Millerbernd's airfield ground lighting products. They collaborate directly with Millerbernd's in-house team to build quotes, provide product advice, installation support, and ongoing technical assistance. The partnership enables Millerbernd to offer comprehensive airfield lighting solutions including L-867 and L-868 products, tip down poles, and fixed beacon poles. Airside Solutions is headquartered in Auburn, Washington.

Scale indicators11 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Trinity Industries: Large infrastructure and rail products manufacturer with highway structures and rail car divisions. Overlaps with Millerbernd's OCS pole and rail/AAR-certified circular product lines as a broader incumbent.
• Hubbell: Diversified electrical and lighting infrastructure company; the lighting structures and pole product range overlaps with Millerbernd's roadway lighting structures, but Hubbell serves a much broader portfolio.

Direct peers

• Sabre Industries: Fabricator of steel tubular structures and overhead catenary systems for mass transit, rail, and utilities. Directly comparable to Millerbernd's OCS and structural pole product lines.
• Hanna Cylinders: Specialty manufacturer of precision-rolled rings, cylinders, and circular weldments. Directly comparable to Millerbernd Circular Products' rings, weldments, and rolled plate offerings for industrial OEMs.
• Pelican Industries: Custom steel pole and traffic/lighting structure fabricator serving DOT and utility customers. Closely comparable to Millerbernd's Transportation & Infrastructure product set.
• Brandon Industries: Manufacturer of steel light poles, traffic signal structures, and decorative lighting poles. Competes head-to-head with Millerbernd in DOT roadway and decorative lighting accounts.
• StressCrete: Producer of concrete and steel lighting poles and traffic structures. Overlaps with Millerbernd's roadway and decorative pole portfolio across DOT and municipal accounts.
• Valmont Industries: Largest direct US competitor in steel poles, traffic and roadway lighting structures, and high-mast lighting. Operates multiple infrastructure segments that overlap directly with Millerbernd's Transportation & Infrastructure division.

Others

• Nucor: Largest US steel producer supplying domestic plate and structural steel. Vertically adjacent upstream supplier for Millerbernd's BABA-compliant steel inputs rather than a direct competitor.
• Olympic Steel: US metal service center and steel processor that supplies plate and structural steel to industrial OEMs and fabricators. Functionally adjacent to Millerbernd as a domestic steel supplier/process partner supporting BABA-compliant manufacturing.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@millerberndmfg
• Facebookfacebook.com/millerbernd-manufacturing-company-1483414205282465
• LinkedInlinkedin.com/company/1376385
• Instagraminstagram.com/we.are.millerbernd
• Xx.com/millerberndmfg

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

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

M&A1 record

Investments

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

Frequently asked questions about Millerbernd Manufacturing Co.