SMZ, a.s. Jelsava

What SMZ, a.s. Jelsava does

SMZ, a.s. Jelšava (Slovenské magnezitové závody, akciová spoločnosť, Jelšava) is a Slovak magnesite mining and processing company headquartered in Jelšava, with over 100 years of operating history dating to the original plant's 1923 founding. The company operates underground mining at the Dúbravský masív deposit — one of the largest magnesite deposits in Europe with reserves sufficient for at least 100 more years — using a proprietary overhead stoping method with inter-block pillars and backfilling. It runs two processing sites: the main Jelšava facility (3 rotary kilns, 6 shaft furnaces, crushing/magnetic separation/classification) and the Bočiar division near Košice (calcinator and shaft furnace producing flyash-based clinker and the SOM 70 slag forming mixture).

Its product portfolio centers on dead-burnt magnesite (DBM) clinkers, basic monolithic refractory masses under proprietary brands (JEHEARTH, JEFRIT, JEMACHARGE, JEGUN, JEGUNEX, JEMATUN, JEMIX, JEMAFILL, INTROMAG), the SLAGMAG slag making additive, CCM 85 caustic calcined magnesia, raw magnesite, and magnesite gravel/sand. End markets are steelmaking (electric arc furnaces, converters, tundishes, vacuum degassers), refractory manufacturing, chemicals, agriculture (feed additives, environmental remediation), and construction.

The business model is sales-led, direct-to-enterprise, with 88% of sales exported across 34 countries on 4 continents and approximately 365,000 tons of finished product sold annually, yielding a 5.9% global market share in magnesite refractory products. Pricing is not publicly disclosed; quotes are obtained via direct contact. The company operates three wholly-owned subsidiaries: GE.NE.S., a.s. (non-metallic mineral production including talc, bentonite, magnesite, dolomite — acquired 2003), SMZ-Revimex, a.s. (sales channel for former CIS markets, established May 2004), and SMZ-Služby, a.s. (shared services, established July 2004). It holds ISO 9001:2015, ISO 14001:2015, ISO 50001:2018, and GMP+ B2 (feed safety) certifications.

Name

SMZ, a.s. Jelsava

Legal name

Slovenské magnezitové závody, akciová spoločnosť, Jelšava

Website

https://smzjelsava.sk

Company type

Private

Founded year

1923

Operating status

Operating

Headcount range

1–10 employees

Short description

Slovak magnesite miner and refractor producer operating the Dúbravský masív deposit since 1923, supplying DBM, monolithic refractories, SLAGMAG, and CCM 85 to steel, refractory, chemical, agricultural, and construction customers across 34 countries with 5.9% global market share.

Ownership category

akta.pro rank

Product category

Magnesite Refractory Materials

NAICS

Nonmetallic Mineral Product Manufacturing (327), Ground or Treated Mineral and Earth Manufacturing (327992), Clay Product and Refractory Manufacturing (3271)

SIC

Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400), Abrasive, Asbestos & Misc Nonmetallic Mineral Prods (3290)

akta.pro primary industry

Magnesite & Magnesium Minerals Mining (IMAKAGAN)

akta.pro secondary industry

Magnesite & Magnesium Minerals (IMAEAFAL)

Keywords

• Dead burnt magnesia
• Monolithic refractory materials
• Magnesite mining
• Caustic calcined magnesia
• Slag forming additives

Headquarters

HQ city

Jelšava

HQ country

Slovakia

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Magnesite Refractory Products: Sale of dead burnt magnesia (DBM), basic monolithic refractory mixes, caustic magnesite, and slag forming mixtures. Products are delivered to steel making industry, refractory materials industry, chemical industry, construction and agriculture. Export comprises 88% of total sales with products in 34 countries. Final products sale is approximately 365,000 tons per year.
2. Service and Application Support: Full service for refractory material users including supply of installation devices and servicing. In connection with monolithic sale increase to steel making industry, company provides customers full service, application machine delivery and service together with cost guarantee per production unit.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels3 records

Core offering

SMZ, a.s. Jelsava mines magnesite at the Dúbravský masív deposit and processes it into dead-burnt magnesia (DBM) clinkers, basic monolithic refractory masses, slag forming additives, caustic calcined magnesia, and raw magnesite products for steelmaking, refractory manufacturing, chemical, construction, and agricultural industries. The company also provides full-service refractory application support including installation equipment, technical servicing, and cost guarantee per production unit.

Product overview

SMZ, a.s. Jelšava is the largest magnesite mining and processing plant in Slovakia and one of the world's largest producers of dead-burnt magnesia (DBM). The company operates a multi-product portfolio built around its core magnesite resource. The main product lines include: (1) dead-burnt magnesite clinkers for brickmaking and steelmaking, (2) basic monolithic refractory masses with specialized sub-products (JEHEARTH ramming mixes, JEFRIT/JEMACHARGE repair mixes, JEGUN/JEGUNEX gunning mixes, JEMATUN slurry/dry mixes, JEMIX special mixes, JEMAFILL/INTROMAG filling mixes) serving different furnace applications, (3) SLAGMAG slag making additives for steelmaking process optimization, (4) CCM 85 caustic calcined magnesia for agriculture and chemical industries, (5) raw magnesite for chemical and construction applications, and (6) magnesite gravel and sand for construction. The product portfolio spans metallurgical, ceramic, chemical, agricultural, and construction industry sectors.

Differentiator

Problem solved

Functional benefit

Products and services

• Dead-burnt magnesite clinkers (DBM) Dead-burnt magnesite clinkers used for production of refractory bricks, monolithic masses, and direct use in steelmaking aggregates. Sold to refractory manufacturers and steelmakers.
• Steelmaking clinker Dead-burnt magnesite clinkers for direct use in steelmaking melting aggregates and production of monolithic masses. Targeting steelmakers and metallurgical operators.
• Basic monolithic refractory masses (ZMŽH) Wide range of unshaped refractory products for new bottom preparation, hot and cold repairs, and protection of furnace linings. Sold to steelmaking industry users.
• JEHEARTH ramming mixes Ramming mixes for electric arc furnaces, basic oxygen furnaces, and open hearth furnaces. Sub-product of the monolithic refractory portfolio for steelmakers.
• JEFRIT, JEMACHARGE repair mixes Repair mixes for casting ladles. Sub-product of the monolithic refractory portfolio for steelmakers.
• JEGUN, JEGUNEX gunning mixes Gunning mixes for RH vacuum degasser. Sub-product of the monolithic refractory portfolio for steelmakers.
• JEMATUN, JEMATUN DRY slurry and dry mixes Slurry gunning and dry mixes for tundishes and pig iron pouring ladles. Sub-product of the monolithic refractory portfolio for steelmakers.
• JEMIX special mixes Special purpose mixes. Sub-product of the monolithic refractory portfolio for steelmakers.
• JEMAFILL, INTROMAG filling mixes Filling mixes for casting ladles. Sub-product of the monolithic refractory portfolio for steelmakers.
• SLAGMAG slag making additive Highly reactive additive produced from half-burned magnesite for oxygen converters and electric arc furnaces to increase MgO in slag and protect refractory linings. Sold to steelmakers.
• Caustic calcined magnesia (CCM 85) Natural mineral product acquired by low-temperature calcination (900-1000C) of magnesium carbonate, used in agriculture as mineral feed additive, in chemical industry for fertilizers, and in environmental field for acid rain elimination. GMP+ B2 certified for feed safety.
• Raw magnesite Raw magnesite used in chemistry for production of magnesium-based chemicals and in building industry. Sold to chemical producers and construction companies.
• Magnesite gravel and sand Magnesite gravel and sand of various fractions used for production of building materials (mortars and concretes) and building units. Sold to construction and building materials producers.
• SOM 70 slag forming mixture Slag forming mixture produced at the Bočiar division, used in steelmaking to optimize slag chemistry and refractory protection. Sold to steelmakers.

Quantifiable outcome

• 5.9% world market share in magnesite refractory products
• +4 more outcomes

Named customers3 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Five partnerships are on record, tiered minor and core.

• SMZ-Služby, a.s.minorOthers · 1 July 2004100% owned subsidiary (established 01.07.2004) providing services: large bag sewing, freight transport, passenger transport, catering, cleaning and laundry, buffets, Hotel Hrádok maintenance, and general maintenance services.
• SMZ-Revimex, a.s.coreChannel Partner/ Reseller/ Distributor · 5 May 2004Daughter company (established 05.05.2004) for sale of magnesite products in Eastern markets of former CIS countries (SNŠ). Sales oriented mainly for direct use in steel making combines and magnesite refractory plants.
• Bočiar Installation (Divízia Bočiar)coreOthers · 1 January 2003Installation near Košice purchased in 2003 where dust firing and processing is realized. Includes calcinator and shaft furnace producing clinker made of pressed flyash. Division producing slag forming mixture SOM 70.
• Technical University of Košice - Faculty of Materials, Metallurgy and Recycling (FMMR)coreStrategic or Co-development PartnerTechnical cooperation with FMMR for research in metallurgy, raw material processing, and development of new magnesite applications. Company cooperates with the faculty on energy efficiency research and new product development.
• GE.NE.S. (Gemerská nerudná spoločnosť, a.s.)coreOthers100% owned subsidiary of SMZ, a.s. Jelšava. Producer of white talcs, technical talcs, modified bentonite clay, activated bentonite clay, activated bentonite with carbon additive, modified natural magnesite, modified natural dolomite and other non-metallic materials. Established from former GENES Hnúšťa in 2003 (67% share purchase).

Scale indicators7 records

Recent moves8 records

Expansion highlights5 records

Broad incumbents

• Imerys: Large French-listed industrial minerals group producing performance and functional minerals including refractory-grade magnesia. Comparable at the industrial-minerals processing level but operates across a far broader portfolio.
• Minerals Technologies Inc. (MTI): Global specialty minerals company with bentonite, calcium carbonate, talc and related refractory/foundry adjacencies. Comparable in industrial mineral processing for high-temperature applications, but operates a far broader portfolio.

Direct peers

• Magnezit Group (JSC Magnezit): Vertically integrated Russian magnesia and refractory producer with mining, processing, and shaped/unshaped refractory output. Closely comparable to SMZ in product mix and primary steel/refractory customer base.
• RHI Magnesita: Largest global producer of refractory products and the dominant vertically integrated magnesia producer. Direct comparable to SMZ in DBM, monolithic refractories and steel-industry end markets, but at much greater scale.
• HarbisonWalker International (HWI): Major North-American supplier of monolithic refractories and shaped products to steel, glass, cement and other high-temperature industries. Comparable in monolithic refractory and steel-customer exposure.
• Kümaş Magnesite Works: Turkish producer of sintered and caustic magnesia and basic monolithic refractories serving steel and cement customers. Comparable product mix and customer base as SMZ with a regional rather than European Central focus.
• INTOCAST: German refractory producer manufacturing monolithic masses and magnesia-based products for steel and foundry industries. Comparable as a Central European competitor in monolithic and magnesia refractory markets.
• Grecian Magnesite: Greek producer of caustic and sintered magnesia and basic monolithic refractories serving steel, construction, agriculture and chemicals. Closely comparable to SMZ in product portfolio and European geographic focus.
• Premier Magnesia: US-based producer of magnesium oxide products serving industrial, agricultural and environmental end markets. Comparable in caustic-calcined magnesia for feed and industrial applications, though more focused on the North American market.

Emerging players

• Calix Limited: Australian-listed company developing low-emission magnesia and lime processing technology. Adjacent and potentially disruptive emerging peer pursuing decarbonized magnesia production that could compete with SMZ's high-temperature kiln process.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/smz-a.s.-jelsava

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles14 records

Subsidiaries3 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 SMZ, a.s. Jelsava