Ontario Stone

Name

Ontario Stone

Legal name

Ontario Stone

Website

https://ontariostone.com

Company type

Private

Founded year

1959

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Construction Aggregates

NAICS

Nonmetallic Mineral Mining and Quarrying (2123), Crushed and Broken Limestone Mining and Quarrying (212312), Construction Sand and Gravel Mining (212321)

SIC

Wholesale-Metals & Minerals (No Petroleum) (5050), Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400)

akta.pro primary industry

Aggregates & Dimension Stone Trading (Sand & Gravel, Crushed Stone, Limestone, Granite, Marble) (IMAKAJAG)

akta.pro secondary industries

Limestone Quarrying (Industrial & Construction Grade) (IMAKAHAC), Crushed Stone Quarrying & Processing (IMAKAHAA), Aggregate Processing & Value-Added Products (Washing, Screening, Asphalt/Concrete Aggregates) (IMAKAHAH), Specialty Aggregates (Rail Ballast, Riprap/Armor Stone, Gabion Stone) (IMAKAHAJ)

Keywords

• Construction aggregates
• Crushed limestone
• Gravel and sand supply
• Base materials
• Agricultural limestone

Headquarters

HQ city

Cleveland

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Personnel, Infrastructure

Revenue model

1. Aggregates and Construction Materials Sales: Ontario Stone generates revenue through the sale of construction aggregates including limestone, gravel, sand, base materials, and specialty products. Revenue is transaction-based, derived from unit sales of materials for construction, agricultural, and industrial applications. No subscription or recurring revenue streams identified.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Ontario Stone quarries, processes, and distributes crushed limestone and related aggregate products including graded gravels, sands, base materials, gabion stone, ice control grits, agricultural limestone, silica products, and miscellaneous construction materials. The company supplies standardized Ohio Aggregate Sizes (No. 1&2 through No. 411) for construction, infrastructure, agricultural, and residential applications in Ohio.

Product overview

Ontario Stone is a construction aggregates and stone materials supplier offering a unified product portfolio centered on quarry and processed stone materials. The core offerings include Limestone in various grades and sizes, Gravel products (bankrun, mason, roof, decorative, and oversize), and multiple sand varieties for construction, agricultural, and industrial applications. The company supplies standardized Ohio Aggregate Sizes (No. 1&2 through No. 411) for specific construction uses including base materials, driveway topping, pipe bedding, and ice control. Supporting product lines include Gabion Stone and Rock Channel Protection for erosion control, Ice Control Products (Sand #9, #8, and grits), Agricultural Limestone for soil management, EPA-approved Filter Sand and other Silica Products for industrial filtration, and miscellaneous materials such as asphalt grindings, cinders, processed millings, salt, and crushed concrete. The company primarily serves construction, infrastructure, and agricultural sectors in Ohio.

Differentiator

Problem solved

Functional benefit

Products and services

• Construction Aggregates Limestone in all grades and sizes, gravel products (fill sand, bankrun sand, graded sizes, mason sand, roof gravel, decorative gravel, oversize rock), and concrete and asphalt stone supplied for base materials, backfill, and general construction applications.
• Base Materials (#304, #411, #617, #310) Foundation and base course aggregates including #304, #411, #617, and #310 grades used for heavy traffic areas, soft conditions, and compaction in road and construction projects.
• Gabion Stone and Rock Channel Protection Rock materials including #601 type rocks designed for gabion construction, erosion control, and structural reinforcement in water management and channel protection projects.
• Ice Control Products Winter maintenance materials including Sand #9, Sand #8, ice control grits, and agricultural limestone used for traction, de-icing, and surface treatment on roads and pathways.
• Agricultural Limestone Limestone products specifically graded for agricultural applications, used for soil pH adjustment and nutrient management on farms and agricultural operations.
• Silica Products Specialized silica materials including graded sizes, trap sand, top dressing, EPA-approved filter sand, and other silica products for industrial and water filtration applications.
• Miscellaneous Construction Materials Additional construction and industrial materials including asphalt grindings, cinders, processed millings, highway and industrial salt, and crushed concrete for recycling and reuse in construction projects.

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators1 record

Recent moves3 records

Expansion highlights3 records

Broad incumbents

• Martin Marietta Materials: One of the largest U.S. aggregates producers with a national footprint. Sets regional pricing benchmarks for crushed limestone and serves overlapping government/infrastructure customers, though Ontario Stone is a much smaller niche competitor.
• Vulcan Materials Company: Largest U.S. producer of construction aggregates. Operates across the Midwest and competes for large infrastructure projects in Ohio; relevant for pricing benchmarks and competitive dynamics even though Ontario Stone is orders of magnitude smaller.
• Rogers Group: Privately held aggregates and construction materials producer operating across the Midwest and Southeast. Comparable product line (crushed stone, sand, gravel, agricultural lime) but operates at a much larger scale.
• Heidelberg Materials: Global construction materials giant with significant U.S. aggregates operations (Lehigh Hanson). Major competitive force in the Midwest aggregates market and a relevant benchmark for pricing and supply dynamics.
• Arcosa, Inc. Diversified construction products company with a meaningful construction aggregates segment. Comparable product categories (limestone, specialty stone) and serves overlapping infrastructure and construction segments.

Direct peers

• The Shelly Company: Ohio-based aggregates and construction materials supplier operating multiple quarries and plants across the state. Closest direct comparable to Ontario Stone in terms of geography, customer base (construction contractors, government, agricultural), and product mix (limestone, gravel, sand).
• National Lime & Stone Company: Ohio-headquartered limestone and aggregates producer serving construction, industrial, and agricultural markets. Direct competitor in the same Ohio limestone belt, with overlapping product lines (crushed limestone, agricultural lime) and end customers.
• US Aggregates: U.S. construction aggregates supplier with limestone, sand, and gravel operations across the Midwest. Directly comparable in product portfolio and customer mix to Ontario Stone.

Regional players

• Ozinga: Family-owned Midwest construction materials supplier (concrete, aggregates, cement). Comparable scale and regional footprint to Ontario Stone, with similar multi-generational family ownership profile.
• Stoneco: Michigan-based aggregate producer serving the Great Lakes region. Operates in an adjacent geography with a similar limestone/crushed stone product portfolio, relevant for benchmarking regional pricing and shipment patterns.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks7 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

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 Ontario Stone