St. Marys Carbon
St. Marys Carbon is a privately held, 85-year-old custom carbon graphite manufacturer serving aerospace, automotive, power generation, robotics, and industrial OEMs globally with proprietary grades, in-house mixing, and Press-to-Size molding across brushes, bearings, seals, and turbine components.
- Company typePrivate
- Founded1939
- HeadquartersSaint Marys, United States
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
What St. Marys Carbon does
St. Marys Carbon Company, founded in 1939 and headquartered in St. Marys, Pennsylvania, is a privately held custom manufacturer of carbon graphite, electrographite, and metal graphite components. The company is one of the very few carbon manufacturers globally that develops and mixes its own proprietary carbon grades in-house — 476 unique grades at last count — and then converts those grades into finished engineered parts through a fully integrated production process spanning impregnation (resins, inorganic salts, and molten metals including antimony, babbitt, bronze, copper, silver, and molten ceramic), Press-to-Size molding, and CNC machining. Its product portfolio spans brushes, ARC™ and Talaris™ electrical contacts, bearings and bushings, mechanical seal rings, hot glass handling components, rotors and vanes, HALO™ turbine and compressor rings, wear plates and graphite plugs, custom components, carbon material blanks, and patented Silver Dot™ dryer bearings.
The company serves twelve primary and secondary verticals including aerospace (aircraft engines, auxiliary power units, gearboxes, space), automotive (including electric vehicle motors), power generation (turbines, wind energy), glass handling, fluid handling (chemical, marine), robotics and automation, construction, mining, transportation, medical and pharmaceutical, food and beverage, and oil and gas. Aerospace and defense exposure is supported by AS9100:2016 certification, ITAR registration, and SAM/CAGE codes. Quality systems are certified to ISO 9001:2015.
The business model is direct B2B sales with no intermediary resellers or distributors. Personal account managers work alongside Product Development and Operations to scope custom specifications, pricing is quote-based and not publicly disclosed, and orders are fulfilled from the single St. Marys manufacturing facility. The company claims global supply reach and supports customers through a website, knowledge base, social media, an Ask-an-Expert channel, request-quote forms, and direct phone contact. Product differentiators include the proprietary grade library, in-house vertical integration, Press-to-Size cost and lead-time advantages (claimed to reduce per-piece price by over 50% versus traditional machining), and specialized performance properties including self-lubrication, temperature resistance up to 5,000°F in neutral atmospheres, and corrosion resistance.
St. Marys Carbon firmographics
Firmographics- Name
- St. Marys Carbon
- Legal name
- St. Marys Carbon Company
- Website
- https://stmaryscarbon.com
- Company type
- Private
- Founded year
- 1939
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- St. Marys Carbon is a privately held, 85-year-old custom carbon graphite manufacturer serving aerospace, automotive, power generation, robotics, and industrial OEMs globally with proprietary grades, in-house mixing, and Press-to-Size molding across brushes, bearings, seals, and turbine components.
- Ownership category
- akta.pro rank
St. Marys Carbon industry classification
Industry- Product category
- Industrial Carbon Graphite Components
- NAICS
- Carbon and Graphite Product Manufacturing (335991)
- akta.pro primary industry
- Functional Carbon Fillers (Carbon Black, Graphite) (IMAEAFAO)
- akta.pro secondary industry
- Specialty Carbon & Pitch Products (Petroleum Pitch, Carbon Binders for Anodes) (EUALAKAK)
Keywords
Where St. Marys Carbon is headquartered
LocationHeadquarters
- HQ city
- Saint Marys
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
St. Marys Carbon business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Infrastructure, Technology or R&D, Operations, Marketing or Sales
Revenue model
- Custom Carbon Graphite Products: Manufacture and sale of custom carbon graphite components including brushes, bearings, seals, rotors, vanes, turbine rings, and specialty parts. Revenue generated through product sales with personalized account management and customized solutions.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels6 records
St. Marys Carbon product offering
Product offeringCore offering
St. Marys Carbon manufactures and supplies custom carbon graphite, electrographite, resin-bonded graphite, and metal graphite components engineered from 476 proprietary in-house-developed grades. The portfolio spans brushes, electrical contacts, bearings, mechanical seals, hot glass handling parts, rotors and vanes, turbine and compressor rings, wear plates, carbon blanks, and Silver Dot dryer bearings, serving aerospace, automotive, power generation, fluid handling, and other industrial sectors. Products are delivered with total customer service through personal account managers and direct shipment from its St. Marys, Pennsylvania facility.
Product overview
St. Marys Carbon is a custom carbon graphite manufacturer offering a broad portfolio of engineered products manufactured in-house from proprietary carbon grades. The core product line includes Brushes, ARC™ Electrical Contacts, Talaris™ Metal Graphite Contacts, Bearings/Bushings, Mechanical Seal Rings, Hot Glass Handling products, Rotors & Vanes, HALO™ Series Turbine & Compressor Rings, Wear Plates & Graphite Plugs, Custom Components & Parts, Carbon Material Blanks, and Silver Dot™ Dryer Bearings. The company is one of the few globally to develop its own proprietary carbon grades, enabling full customization of base materials and physical properties. Products span electrical transmission, fluid handling, high/low temperature, corrosive, sanitary, submerged/marine, high-altitude, and dry-running/self-lubricating applications across aerospace, automotive, construction, mining, power generation, food & beverage, medical, and industrial sectors. The portfolio is complemented by specialized impregnated materials (antimony, babbitt, copper, silver, resin) and press-to-size manufacturing capabilities.
Differentiator
Problem solved
Functional benefit
Brands
- ARC™ Electrical Contacts: Proprietary electrical contacts brand used in motors for conveyors, hoists, electric vehicles, elevators, cranes, rail systems and revolving lights.
- Silver Dot™ Dryer Bearings
- HALO™ Series Turbine & Compressor Rings
- Talaris™ Metal Graphite Contacts
Products and services
- Brushes
Quantifiable outcome
- Price per piece reduced by over 50% using Press-to-Size technology vs traditional machining
- +2 more outcomes
Companies that use St. Marys Carbon
Customer profileSegments12 records
Ideal customer profiles8 records
St. Marys Carbon technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
St. Marys Carbon partnerships and signals
Strategic signalScale indicators3 records
Recent moves6 records
Expansion highlights5 records
St. Marys Carbon competitors and assessment
Company assessmentBroad incumbents
- SGL Carbon: German-listed carbon specialist with broad exposure across graphite electrodes, specialty graphites, and carbon fibers for industrial, mobility, and energy applications — overlaps with St. Marys in graphite-based industrial components.
- Morgan Advanced Materials: UK-listed broad industrial materials manufacturer with a Carbon and Graphite division producing brushes, seals, bearings, and aerospace components — competes with St. Marys across multiple product lines as part of a much wider advanced materials portfolio.
- GrafTech International: US-listed graphite electrode and carbon product manufacturer serving steelmaking, automotive, and energy storage — overlapping in specialty carbon/graphite capabilities though more focused on electrodes and battery materials.
Direct peers
- Helwig Carbon Products: US-based family-held manufacturer of carbon brushes, brush holders, and carbon-related components for industrial motors, wind, rail, and mining — competes head-to-head with St. Marys in North American industrial brush markets.
- Stackpole International (a Crane Co. business): Canadian manufacturer of engineered components including carbon graphite bearings, seals, and vanes for pumps, compressors, and industrial machinery — a closely matched custom carbon graphite peer serving fluid handling and process industries.
- Toyo Tanso: Japanese manufacturer of isotropic graphite, carbon electrodes, and mechanical carbon products for semiconductor, solar, metallurgy, and industrial markets — a closely comparable specialty carbon graphite producer with similar custom-grade capabilities.
- Mersen: French-listed specialist in carbon, graphite, and electrical components (formerly Carbone Lorraine) with overlapping portfolios in brushes, contacts, seals, and high-temperature applications for industrial, aerospace, and energy customers worldwide.
- National Electrical Carbon (a Mersen business): US carbon brush and carbon component manufacturer serving industrial, traction, and rotating equipment markets — directly comparable custom carbon product capabilities and aftermarket service model to St. Marys.
- Schunk Group (Schunk Carbon Technology): German-headquartered global leader in carbon technology solutions, including carbon brushes, graphite components, and sintered metal parts serving automotive, aerospace, energy, and industrial markets — directly comparable in product breadth and customer base to St. Marys Carbon.
Emerging players
- Entegris: US-listed specialty materials and fluid handling supplier serving semiconductor and life sciences markets — partial overlap with St. Marys' fluid handling and high-purity graphite component capabilities, though focused on adjacent high-tech end markets.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
St. Marys Carbon social profiles
Digital presenceSt. Marys Carbon compliance and trust
Trust signalCompliance3 records
St. Marys Carbon financial estimates
Financial estimateRevenue estimate
Valuation estimate
St. Marys Carbon leadership team
Management profileNumber of profiles
St. Marys Carbon funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
St. Marys Carbon M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about St. Marys Carbon
What does St. Marys Carbon do?
St. Marys Carbon manufactures and supplies custom carbon graphite, electrographite, resin-bonded graphite, and metal graphite components engineered from 476 proprietary in-house-developed grades. The portfolio spans brushes, electrical contacts, bearings, mechanical seals, hot glass handling parts, rotors and vanes, turbine and compressor rings, wear plates, carbon blanks, and Silver Dot dryer bearings, serving aerospace, automotive, power generation, fluid handling, and other industrial sectors. Products are delivered with total customer service through personal account managers and direct shipment from its St. Marys, Pennsylvania facility.
Is St. Marys Carbon a public or private company?
St. Marys Carbon is a private company. It is classified as family owned and is currently operating.
When was St. Marys Carbon founded?
St. Marys Carbon was founded in 1939. It employs 101 to 250 people.
Where is St. Marys Carbon based?
St. Marys Carbon is headquartered in Saint Marys, United States, in the North America region.
How does St. Marys Carbon make money?
One revenue line is on record: custom Carbon Graphite Products.
Who are St. Marys Carbon's main competitors?
Broad incumbents on record are SGL Carbon, Morgan Advanced Materials and GrafTech International. Direct peers are Helwig Carbon Products, Stackpole International (a Crane Co. business), Toyo Tanso, Mersen, National Electrical Carbon (a Mersen business) and Schunk Group (Schunk Carbon Technology). Entegris is listed as an emerging player.
Does St. Marys Carbon have an API?
No public API is recorded for St. Marys Carbon.
What industry is St. Marys Carbon in?
St. Marys Carbon's product category is Industrial Carbon Graphite Components. Its primary akta.pro industry code is IMAEAFAO, Functional Carbon Fillers (Carbon Black, Graphite), with a secondary code of EUALAKAK, Specialty Carbon & Pitch Products (Petroleum Pitch, Carbon Binders for Anodes). Its NAICS code is 335991.