Fairmount Santrol

What Fairmount Santrol does

Fairmount Santrol, originally founded in 1978 and now operating as Covia Holdings LLC following its merger with Unimin, is a U.S.-headquartered industrial minerals company that produces and supplies a broad portfolio of mineral-based inputs and finished specialty products. The combined entity is headquartered in Independence, Ohio, and is privately held following its delisting from the NYSE (former ticker: FMSA); it employs between 5,001 and 10,000 people. Its core mineral offering spans silica sand, ball clay, calcium carbonate, cristobalite, kaolin, nepheline syenite, resin-coated sand, and sodium feldspar, complemented by a set of proprietary branded products — GLASSIL®, MINEX® ST, ACCEL®, AQUAQUARTZ®, and HIFILL® N — that address specific application requirements in flat glass, coatings, swimming pool/landscape, and plastics end uses.

The company serves industrial customers across at least ten vertical markets: building products and construction materials, ceramics, coatings, custom toll blending, engineered stone, glass, metals and foundry, polymers, sports and recreation, and water and environmental applications. Revenue mechanics are anchored in direct B2B sales of mineral inputs to manufacturers and construction professionals, with product differentiation driven by chemistry (e.g., surface-treated calcium carbonate that cross-links into epoxy/PU systems), polymer formulation (e.g., ACCEL's dust-suppression technology), and consistent mineral purity (e.g., GLASSIL's stable-chemistry glass sand). Distribution runs through an internal customer service organization and dedicated phone/email channels, with a wholly-owned Canadian subsidiary (Covia Canada) supporting cross-border sales into North America. Pricing is not publicly disclosed. The company maintains a 2025 Corporate Responsibility Report, an active trade show presence (e.g., SSCT Annual Meeting 2026), and a content/insights marketing program across LinkedIn and Facebook.

Ownership composition, investor backing, founder involvement, and board structure are not disclosed in the source materials, and no financial statements, funding history, or revenue figures are publicly referenced. The combined entity appears focused on stabilizing and expanding an integrated mineral platform rather than disclosing growth-stage financial metrics.

Name

Fairmount Santrol

Legal name

Covia Holdings LLC

Website

https://fairmountsantrol.com

Company type

Private

Founded year

1978

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Fairmount Santrol, now operating as Covia Holdings LLC, is a U.S. industrial minerals company producing silica sand, ball clay, calcium carbonate, kaolin, nepheline syenite, and other mineral inputs, plus proprietary branded specialty products serving glass, coatings, construction, polymers, and water-treatment customers across North America.

Ownership category

akta.pro rank

Product category

Industrial Minerals

NAICS

Industrial Sand Mining (212322), Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying (21232), Kaolin, Clay, and Ceramic and Refractory Minerals Mining (212323)

SIC

Abrasive, Asbestos & Misc Nonmetallic Mineral Prods (3290)

akta.pro primary industry

Industrial Sand (Silica Sand for Foundry, Glass & Industrial Uses) (IMAKAHAK)

akta.pro secondary industries

Silica & Quartz Mining (Industrial Silica Sand, High-Purity Quartz) (IMAKAGAK), Feldspar & Nepheline Syenite (IMAEAFAM), Feldspar & Nepheline Syenite Mining (IMAKAGAI)

Keywords

• Industrial minerals
• Silica sand
• Resin coated sand
• Construction materials
• Mineral processing

Headquarters

HQ city

Chesterland

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Distribution channels2 records

Marketing channels4 records

Core offering

Fairmount Santrol (now operating as Covia Holdings LLC following its merger with Unimin) is a leading provider of sand-based and industrial mineral products serving the oil and gas, industrial, and recreation markets. The company mines, processes, and sells a portfolio including silica sand, ball clay, calcium carbonate, cristobalite, kaolin, nepheline syenite, resin-coated sand, and sodium feldspar, along with proprietary branded functional products such as GLASSIL®, MINEX® ST, ACCEL®, AQUAQUARTZ®, and HIFILL® N.

Product overview

Covia (formerly Fairmount Santrol) is an industrial minerals company offering a portfolio of mineral products and solutions. The product lineup includes branded functional mineral products such as GLASSIL® High-Purity Glass Sand, MINEX® ST Surface-Treated Functional Filler, ACCEL® Dust-Preventing Polymeric Sand, AQUAQUARTZ® Pool Filter Sand, and HIFILL® N Functional Mineral. These branded products are complemented by a range of core mineral offerings including Ball Clay, Calcium Carbonate, Cristobalite, Kaolin, Nepheline Syenite, Resin-coated Sand, Silica Sand, and Sodium Feldspar. The company serves diverse markets including Building Products & Construction Materials, Ceramics, Coatings, Custom Toll Blending, Engineered Stone, Glass, Metals & Foundry, Polymers, Sports & Recreation, and Water & Environmental.

Differentiator

Problem solved

Functional benefit

Brands

• GLASSIL: High-purity glass sand for flat glass production
• MINEX
• ACCEL
• AQUAQUARTZ
• HIFILL

Products and services

• GLASSIL® High-Purity Glass Sand High-purity silica sand with stable chemistry for consistency in glass batch production, used as the main ingredient in flat glass manufacturing.
• MINEX® ST Surface-Treated Functional Filler Surface-treated calcium carbonate functional filler that cross-links into epoxy and PU systems to raise solids and improve chemical and weather resistance in floor and industrial coatings.
• ACCEL® Dust-Preventing Polymeric Sand Dust-preventing paver sand with a unique polymer formula offering rubber-like flexibility, preventing stress cracks while forming a strong yet flexible bond with paver joints, and includes dust-suppression technology for pool and landscape applications.
• AQUAQUARTZ® Pool Filter Sand Premium pool filter sand designed to ensure pristine water by filtering dust, algae, suntan lotion, oil, leaves, and insects, for residential and commercial swimming pools.
• HIFILL® N Functional Mineral Nepheline syenite functional mineral offering an optimal balance of physical, optical, and mechanical properties to provide color stability, durability, and UV/scratch and mar resistance for colored plastics and elastomers.
• Silica Sand Industrial-grade silica sand used as a raw material input across multiple industries including glass production, foundry, and oil and gas applications.
• Ball Clay Ball clay mineral sold for industrial applications such as ceramics and building products.
• Calcium Carbonate Calcium carbonate mineral sold for industrial applications including coatings, plastics, and building products.
• Cristobalite Cristobalite mineral sold for industrial applications including coatings and engineered stone.
• Kaolin Kaolin mineral sold for industrial applications including paper, ceramics, and coatings.
• Nepheline Syenite Nepheline syenite mineral sold for industrial applications including glass, ceramics, and polymers.
• Resin-coated Sand Resin-coated sand sold primarily for oil and gas fracking and foundry applications.
• Sodium Feldspar Sodium feldspar mineral sold for industrial applications including glass and ceramics.
• Custom Toll Blending Services Custom mineral processing and blending services for customers with specific formulation requirements, offered alongside the core mineral portfolio.

Segments11 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Recent moves1 record

Expansion highlights5 records

Direct peers

• Smart Sand: Smart Sand is a frac sand producer with Northern White silica reserves, competing directly with Covia's oil & gas segment while also serving industrial customers in foundry and glass.
• U.S. Silica Holdings: U.S. Silica is a direct peer in industrial and frac silica sand, offering overlapping product lines across oil & gas, glass, building products, and foundry end markets with similar mining and processing infrastructure.
• Atlas Energy Solutions (formerly Hi-Crush): Atlas Energy Solutions is a direct peer in frac sand and oilfield logistics, with overlapping in-basin sand production that competes with the energy-market portion of Covia's portfolio.

Broad incumbents

• Vulcan Materials Company: Vulcan Materials is the largest U.S. producer of construction aggregates including sand and gravel, providing overlap with Covia's construction materials segment at a vastly larger scale.
• Imerys: Imerys is a global industrial minerals leader with a portfolio spanning performance minerals, including nepheline syenite, kaolin, calcium carbonate, and ball clay—direct overlap with Covia's mineral categories though at a much larger, more diversified scale.
• SCR-Sibelco: Sibelco is a global industrial minerals miner producing silica, feldspar, nepheline syenite, and ball clay for glass, ceramics, and construction, making it a broad incumbent peer in many of Covia's core mineral categories.
• Omya: Omya is a global producer of calcium carbonate and specialty mineral fillers for coatings, plastics, and construction, directly competing with MINEX® ST and calcium carbonate offerings in Covia's portfolio.
• Mineral Technologies Inc. Mineral Technologies processes and supplies performance minerals including calcium carbonate, bentonite, and specialty mineral products for industrial, consumer, and environmental applications, overlapping with Covia's functional filler business.

Regional players

• Source Energy Services: Source Energy Services is a Canadian frac sand producer and last-mile logistics provider, comparable to Covia Canada operations and competing in the Western Canadian Sedimentary Basin.

Emerging players

• Martin Marietta Materials: Martin Marietta primarily produces aggregates but also supplies specialty sand products and has expanded into higher-value mineral solutions, representing an emerging overlap with Covia's building products and industrial minerals categories.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/FairmountSantrol
• LinkedInlinkedin.com/company/fairmount-santrol
• Xx.com/FMSantrol

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

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 Fairmount Santrol