The Marmon Group

What The Marmon Group does

The Marmon Group, formally Marmon Holdings, Inc., is a privately held, Berkshire Hathaway-owned diversified industrial conglomerate headquartered in Chicago, Illinois. Founded in 1953 when brothers Robert and Jay Pritzker acquired The Colson Company, the company operates 120+ autonomous businesses organized across 11 industry groups: Medical, Water, Foodservice Technologies, Retail Solutions, Transportation Products, Rail, Electrical, Plumbing & Refrigeration, Metal Services, Industrial Products, and Crane Services. Marmon employs 30,000+ people across 578 facilities and generates $13 billion in annual revenue. Notable sub-brands include Acumed and MicroAire Surgical Instruments (medical devices), EcoWater Systems and Graver Technologies (water treatment), Cornelius and Angelo Po (foodservice equipment), Union Tank Car Company (rail), Cerrowire and Marmon Utility (wire and cable), Marmon/Keystone (specialty metals distribution), and Sterling Crane (mobile lifting services). Angelo V. Pantaleo serves as Chairman and CEO, having led the company since 2019 after a 25-year Marmon career that included prior leadership of the Water Group and the post-Berkshire integration of Duracell.

Marmon's business model combines decentralized operational autonomy at the subsidiary level with shared group-level resources, group purchasing leverage, and Berkshire Hathaway's permanent capital base. Revenue is generated through manufacturing and sale of industrial products (hardware sales), railcar and crane leasing (managed services with multi-year contracts), aftermarket parts and remanufactured equipment (professional services), and direct enterprise field sales to OEMs, railroads, energy, mining, petrochemical, healthcare, and foodservice buyers. Distribution occurs via direct enterprise sales forces, dealer networks for consumer-facing products like water softeners, and direct leasing relationships for rail tank cars and mobile cranes. The company holds nearly 300 patents in its Medical and Water Groups, produces specialty products ranging from titanium orthopedic implants and power-assisted liposuction devices to high-temperature cables rated to 2,000-degree flames, and operates one of the world's top 10 mobile crane fleets with 100+ branch locations.

Recent strategic activity shows active portfolio management: the January 2026 divestiture of Store Opening Solutions to Koch Companies; the January 2025 acquisition of NEOSYAD by MicroAire; the May 2026 mHUB Energy Tech Accelerator partnership targeting AI-energy and data center efficiency startups; and continued medical device platform expansion dating to the 2019 Colson Medical acquisition. Geographic footprint spans North America, Europe, Asia, and Australia, with water treatment operations in 12 countries and transportation products manufacturing in 9 countries. Marmon's structure is characteristic of Berkshire Hathaway's industrial subsidiaries — large, multi-decadal, capital-intensive, and managed for durable cash generation rather than rapid top-line acceleration.

Name

The Marmon Group

Legal name

Marmon Holdings, Inc.

Website

https://marmon.com

Company type

Private

Founded year

1953

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

The Marmon Group is a Berkshire Hathaway-owned industrial conglomerate comprising 120+ autonomous companies across 11 industry groups, manufacturing medical devices, water treatment systems, foodservice equipment, rail services, electrical wire and cable, and industrial components for global B2B markets.

Ownership category

akta.pro rank

Headquarters

HQ city

Chicago

HQ country

United States

HQ region

North America

Offices12 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Manufacturing and Sale of Industrial Products: Marmon generates revenue through the manufacture and sale of diversified industrial products across 11 industry groups including medical devices, water treatment equipment, foodservice technology, rail services, electrical wire and cable, plumbing supplies, metal services, transportation components, industrial products, retail solutions, and crane services.
2. Railcar Leasing: Rail Group companies including Union Tank Car Company and Procor provide full-service leasing of railroad tank cars and specialized railcars for North America and Canada.
3. Crane Rental and Services: Mobile crane solutions including crane rentals, operators, and related crane and lifting services serving energy, mining, petrochemical, construction, and industrial markets.
4. Aftermarket Parts and Services: Many Marmon companies provide aftermarket parts, technical support, repair services, and remanufactured equipment to support their installed base.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels4 records

Core offering

Marmon Holdings operates as a diversified industrial conglomerate that manufactures and sells specialty industrial products through 120+ autonomous companies organized into 11 industry groups. Its offerings include specialty medical devices, water treatment systems, foodservice equipment, retail fixtures, transportation components, railroad tank cars, electrical wire and cable, plumbing and HVAC components, specialty metals, industrial products, and crane rental services. Revenue is generated through product sales, equipment leasing (railcars), and aftermarket services to enterprise, OEM, and industrial customers globally.

Product overview

The Marmon Group is a holding company comprising 120+ autonomous manufacturing and industrial service businesses organized into 11 industry groups: Medical (specialty medical devices including Acumed, MicroAire, ScottCare), Water (water treatment systems including EcoWater, Graver, KX Technologies), Foodservice Technologies (beverage dispensing and cooking equipment including Cornelius, Angelo Po, Prince Castle, Silver King), Retail Solutions (fixtures and displays including L.A. Darling, Unarco, Cannon Equipment), Transportation Products (automotive/transportation parts including AP Emissions, Fontaine, Kentuck y Trailer, Marmon-Herrington, Sisu Axles, Webb Wheel), Rail (railroad tank cars and services including Union Tank Car, Procor, Railserve, Trackmobile, EXSIF), Electrical (wire and cable including Cerrowire, Marmon Utility, Harbour Industries, Marmon Defense), Plumbing & Refrigeration (copper tubing and fittings including Cerro Flow, RLS, Heat Pipe Technology), Metal Services (specialty pipe and tubing distributor including Marmon/Keystone, Future Metals), Industrial Products (gears, fasteners, gloves including Amarillo Gear, Nylok, Wells Lamont, Atlas Bolt), and Crane Services (mobile crane rental including Sterling Crane, Freo Group, Joyce Crane). The company generates $13 billion in annual revenue and is a Berkshire Hathaway subsidiary.

Differentiator

Problem solved

Functional benefit

Brands

• Acumed: Specialty medical devices for orthopedic surgery
• MicroAire Surgical Instruments
• ScottCare
• EcoWater Systems
• Graver Technologies
• Cornelius
• Prince Castle
• Angelo Po
• L.A. Darling
• Unarco
• Fontaine Fifth Wheel
• Kentucky Trailer
• Union Tank Car Company
• EXSIF
• Cerrowire
• Marmon Utility
• Cerro Flow Products
• Marmon/Keystone
• Wells Lamont
• Sterling Crane
• Freo Group

Products and services

• Marmon Medical Devices Specialty medical devices including orthopedic implants, titanium plates, screws, nails, surgical instruments, power-assisted liposuction equipment, adipose tissue processing systems, specialty plating for facial/head surgeries, and cardiovascular monitoring technologies, sold under Acumed, MicroAire Surgical Instruments, and ScottCare brands for hospitals, surgeons, and medical professionals.
• Marmon Water Treatment Systems Residential, commercial, and industrial water treatment systems including water softeners, drinking water filtration products, sulfur processing, and custom industrial water systems ranging from 4-foot-tall home units to 78-foot-tall industrial softeners, sold under EcoWater Systems, Graver Technologies, KX Technologies, and Marmon Industrial Water brands.
• Marmon Foodservice Equipment Commercial foodservice equipment including beverage dispensing and cooling, cooking ranges, commercial refrigeration, toasting, holding, slicing, grilling, frying, and timing solutions sold under Cornelius, Angelo Po, Prince Castle, and Silver King brands for restaurants, fast-food chains, and food retailers.
• Marmon Retail Fixtures and Solutions Strategic retail fixtures, custom merchandising displays, shopping carts (introduced to the world in 1937), material handling carts, security carts, merchandising bins, and bulk department supplies sold under L.A. Darling, Unarco Industries, Cannon Equipment, and Trade Fixtures brands for grocery stores, supermarkets, and retailers.
• Marmon Transportation Components Automotive and heavy-duty transportation components including emissions and exhaust products, fifth wheel coupling devices, custom trailers and truck bodies, severe-duty axles, wheel hubs, brake drums, disc brake rotors, and calipers sold under AP Emissions Technologies, Fontaine Fifth Wheel, Kentucky Trailer, Marmon-Herrington, Sisu Axles, and Webb Wheel brands for automotive OEMs, aftermarket, and aerospace markets.
• Marmon Railroad Tank Car Leasing and Services Full-service leasing, design, manufacturing, and repair of railroad tank cars, specialized railcars, and intermodal ISO tank containers; on-site rail switching, material handling, and track maintenance at industrial plants; and railcar moving equipment, sold under Union Tank Car Company (UTLX), Procor, Railserve, Trackmobile, and EXSIF brands for railroads, energy, and chemical companies.
• Marmon Electrical Wire and Cable Copper electrical building wire and cable, aerial cable systems supporting spans up to 1,600 feet, electronic cables rated for 2,000-degree-flame exposure, and specialty wire and cable for the aerospace, defense, transit, and nuclear utility industries (with 50+ years of continuous nuclear service), sold under Cerrowire, Marmon Utility (Hendrix & Kerite), Harbour Industries, and Marmon Defense brands.
• Marmon Plumbing, HVAC, and Refrigeration Components Copper tubing, press-to-connect fittings for high-pressure air-conditioning and refrigeration lines, energy recovery systems, and dehumidification systems for commercial applications, sold under Cerro Flow Products, RLS LLC, and Heat Pipe Technology brands for plumbing contractors, HVAC installers, refrigeration service providers, and industrial manufacturers.
• Marmon Metal Services Specialty pipe and tubing distribution with 150+ value-added metal services including bending, boring, drilling, honing, grinding, machining, beveling, and heat treating across 30+ North American service centers; aerospace-quality metals and materials supply sold under Marmon/Keystone and Future Metals brands.
• Marmon Industrial Products Spiral bevel right angle gear drives, resin/adhesive/lubricant coatings for threaded fasteners, industrial gloves and personal protective equipment, metal and wood fasteners, closures, venting, sealing, flashing, and exterior building solutions, sold under Amarillo Gear Company, Nylok, Wells Lamont Industrial, and Atlas Bolt & Screw brands.
• Marmon Crane Rental and Lifting Services Mobile crane rental, crane operators, lift engineering, transportation, and rigging services with lifting capacity from 8 tons to 900 tons, offered from 100+ branch locations across multiple countries through Sterling Crane (Canada/US), Freo Group (Australia), and Joyce Crane brands for energy, mining, petrochemical, construction, and industrial customers.

Quantifiable outcome

• 40 days railcar repair anywhere in North America vs. 140 days industry average for third-party repairs
• +1 more outcomes

Named customers2 records

Segments11 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability4 records

Feature7 records

Partnerships

Two partnerships are on record, tiered minor.

• mHUB Energy Tech AcceleratorminorStrategic or Co-development Partner · 20 May 2026Marmon Holdings is one of five industry partners backing the mHUB Energy Tech Accelerator focused on AI-energy and sustainable infrastructure technologies. The accelerator invests in 6-10 early-stage startups developing solutions for data center efficiency, grid resilience, and sustainable energy systems.
• Koch CompaniesminorOthers · 12 January 2026Koch Companies acquired Store Opening Solutions (SOS) from Marmon Holdings in January 2026, as part of Koch's strategy to expand warehousing and fulfillment capabilities. The deal doubled Koch's nationwide warehouse presence.

Scale indicators25 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Dover Corporation: Dover is a diversified industrial manufacturer with segments spanning engineered products, fueling solutions, pumps and process solutions, and refrigeration and food equipment—directly comparable to Marmon's foodservice, transportation, and industrial product portfolios.
• Illinois Tool Works: ITW is a diversified industrial manufacturer with 80+ autonomous business units organized into segments such as automotive, construction, food equipment, and specialty products. Like Marmon, ITW operates a decentralized operating model with industry-leading brands across multiple niches.
• Roper Technologies: Roper is a diversified industrial technology company with niche-leading brands across medical, software, and industrial verticals. Like Marmon, Roper pursues a decentralized model of operating independent businesses with category leadership in fragmented markets.

Broad incumbents

• Danaher Corporation: Danaher is a diversified science and technology conglomerate with leading brands in life sciences, diagnostics, and environmental/industrial sectors. Comparable to Marmon's Medical Group (Acumed, MicroAire) and Water Group (Graver, EcoWater) through its Beckman Coulter, Hach, and similar niche industrial brands.
• Emerson Electric: Emerson is a global industrial technology company with automation solutions, instrumentation, and climate technologies. Comparable to Marmon's industrial process equipment businesses through its overlap in process automation, valves, and industrial measurement.
• Eaton Corporation: Eaton is a diversified power management company with electrical, aerospace, vehicle, and industrial segments. Comparable to Marmon's Electrical Group (Cerrowire, Marmon Utility) and Transportation Products Group (Marmon-Herrington axles, Webb Wheel) on the vehicle and electrical infrastructure side.
• Berkshire Hathaway: Berkshire Hathaway is Marmon's parent company and operates a similarly decentralized model with wholly-owned industrial subsidiaries (Precision Castparts, IMC, Lubrizol). Comparable as a holding company structure for industrial conglomerates, though at vastly larger scale.
• Parker Hannifin: Parker Hannifin is a diversified manufacturer of motion and control technologies with aerospace, industrial, and mobile segments. Comparable to Marmon's industrial products (fittings, gears, fasteners) and aerospace/defense cable businesses (Harbour Industries, Marmon Defense).
• Honeywell International: Honeywell is a much larger diversified industrial conglomerate with aerospace, automation, and specialty materials businesses. Overlap with Marmon exists in rail signaling-adjacent technologies, building wire, and process equipment, though Honeywell's scale and breadth is substantially greater.

Regional players

• Watts Water Technologies: Watts Water is a manufacturer of water and plumbing products including residential and commercial water treatment, similar to Marmon's EcoWater Systems and Cerro Flow Products. Comparable for the Water Group and Plumbing & Refrigeration segments specifically.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/the-marmon-group

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries11 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 The Marmon Group