Washington Rock Quarries

What Washington Rock Quarries does

Washington Rock Quarries is a private, family-owned construction aggregates producer founded in 1990 and headquartered in Orting, Washington, approximately 40 miles southeast of Tacoma in the Puget Sound region. The company operates two adjacent mining facilities — Kapowsin Quarry, an open-surface basalt mine with nearly 350 million tons of reserves near Lake Kapowsin, and King Creek Pit, a sand and gravel operation three miles away featuring a high-capacity ALMIX aggregate drying and bagging plant and a state-of-the-industry washing plant. Its core products span seven categories: Armorstone® (a proprietary enhanced-friction overlay aggregate accepted by over 40 state DOTs and the registered trademark of the company), crushed rock (ballast, base/top course, chip rock, quarry spalls, permeable aggregates), backfill gravel, landscape rock and riprap, round rock (drain rock, pea gravel, river rock), sand (including USGA-spec top dressing, kiln-dried infill sand for synthetic turf, cork sand, play sand, and sand-compost blends), and topsoil. Quality control is anchored by an in-house lab holding ASTM and AASHTO certifications, and both mine sites carry WSDOT Aggregate Source Approval (Pit Nos. 332 and 344).

The business serves six primary customer segments — commercial contractors, residential/homeowners, golf courses, transportation agencies, sports field builders, and environmental restoration projects — with named enterprise and government accounts spanning FieldTurf, Seattle Seahawks, Seattle Sounders FC, Lumen Field, Aldarra Golf Club, Chambers Bay, Teufel Landscape, US Army Corps of Engineers, Federal Highways Division, and WSDOT. Revenue is generated primarily through one-time bulk material sales priced by cubic yard or ton (minimum $75 order, 10-cubic-yard delivery minimum), supplemented by delivery services coordinated through a dispatcher with 4-hour delivery windows, bagged-product sales via Super Sacks and 50-pound bags, and a concrete recycling/topsoil import service. Distribution is regional direct-delivery in the Tacoma-Seattle area, customer self-pickup at both mine sites, and a national bagged-product logistics operation (rail, barge, freight) shipping Armorstone to all 50 states and US territories.

Go-to-market is sales-led through a small named team covering contract sales, golf course sales, specialty topsoil, and national Armorstone logistics, supported by content marketing on wa-rock.com, local community sponsorships (Dozer Day, Swing for a Soldier, public school sports teams), and active industry association memberships (NSSGA, WACA, NUCA, WWGCSA, NTA, NBPP, GCBAA, GCSAA, American Sports Builders Association). The company's competitive positioning rests on regulatory certifications, QC consistency, capital intensity of the reserve base, and proprietary Armorstone® formulation rather than on technology or software platforms; there is no AI/ML capability, no software product, and no external funding, M&A, or institutional ownership indicated in the available data.

Name

Washington Rock Quarries

Legal name

Washington Rock Quarries

Website

https://wa-rock.com

Company type

Private

Founded year

1990

Operating status

Operating

Headcount range

51–100 employees

Short description

Washington Rock Quarries is a family-owned construction aggregates producer founded in 1990 in Orting, Washington, operating Kapowsin Quarry and King Creek Pit to supply crushed rock, sand, topsoil, and its proprietary Armorstone® overlay aggregate to commercial contractors, government agencies, golf courses, sports venues, and homeowners in the Pacific Northwest and nationwide via bagged-product distribution.

Ownership category

akta.pro rank

Product category

Construction Aggregates

NAICS

Other Crushed and Broken Stone Mining and Quarrying (212319), Construction Sand and Gravel Mining (212321), Nonmetallic Mineral Mining and Quarrying (2123)

SIC

Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400), Asphalt Paving & Roofing Materials (2950)

akta.pro primary industry

Crushed Stone Quarrying & Processing (IMAKAHAA)

akta.pro secondary industries

Sand & Gravel Extraction & Processing (IMAKAHAB), Construction Aggregates Mining & Processing (Sand, Gravel, Crushed Stone) (IMADAAAI), Contract Crushing, Screening & Materials Handling (In-Pit/ROM, Conveying, Stockpiling) (IMAKAKAH)

Keywords

• Construction aggregates
• Crushed stone products
• Quarry mining operations
• Road base materials
• Landscape rock supply

Headquarters

HQ city

Orting

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Personnel, Infrastructure, Marketing or Sales

Revenue model

1. Aggregate Material Sales: Primary revenue from selling crushed rock, sand, topsoil, and related aggregate products. Products sold by cubic yard (for soil and sand) or ton. Minimum $75 purchase required, 10 cubic yard minimum for delivery.
2. Delivery Services: Coordinating with local trucking companies to deliver materials to job sites. Dispatch coordinator provides 4-hour delivery windows.
3. Bagged Products: Super Sacks (four-panel polypropylene containers, 100% recyclable) and 50-pound bags available for sand, soil, and gravel up to 4 inches in diameter. Kiln-drying available for certain products.
4. Concrete Recycling and Soil Import: Importing concrete from construction sites for crushing and reuse. Importing certified topsoil from construction sites for site reclamation (minimum 200 tons).

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Washington Rock Quarries extracts, processes, and sells crushed rock, sand, gravel, topsoil, riprap, and specialty aggregate products from two Pacific Northwest mining facilities. The company serves commercial contractors, government agencies, golf courses, sports field builders, and residential customers with bulk and bagged aggregate products, including its proprietary Armorstone® overlay aggregate. Supporting services include scheduled job-site delivery, bagging into Super Sacks and 50-pound bags, and concrete recycling.

Product overview

Washington Rock Quarries is a construction aggregates company operating two mining facilities (Kapowsin Quarry and King Creek Pit) near Puyallup, Washington, producing rock, sand, and soil products since 1990. The company's product portfolio centers on seven core product categories: Armorstone® (enhanced-friction overlay aggregates for bridge deck and road surfacing), Crushed Rock (including ballast, base course, top course, minus crushed rock, quarry spalls, and permeable aggregates), Backfill Gravel (foundation material, gravel borrow, pit run), Landscape Rock & Riprap (landscape rock, riprap, streambed boulders), Round Rock (drain rock, pea gravel, river rock, concrete aggregates), Sand (including infill sand, cork sand, top dressing sand, play sand, and sand-compost blends), and Topsoil (basic topsoil, topsoil blends, pond liner). Supporting services include delivery logistics with various transportation options, bagged aggregate Super Sack packaging with kiln-drying capabilities, and concrete recycling/waste disposal. Products are sold in standard specifications and custom blends, with applications ranging from residential landscaping to major infrastructure projects including roads, bridges, sports fields, and shoreline protection.

Differentiator

Problem solved

Functional benefit

Brands

• Armorstone®: Enhanced-friction surface course overlay aggregate used in bridge deck, parking deck, driveway, and sidewalk overlays and road surfacing. Meets FHA recommendations and standards of over 40 state agencies. Washington Rock's branded high-friction stone product as an alternative to imported calcined bauxite.

Products and services

• Armorstone® Overlay Aggregate Proprietary enhanced-friction overlay aggregate averaging 7 on the Mohs hardness scale, meeting Federal Highway Administration recommendations. Used by state DOTs, the US Army Corps of Engineers, and epoxy overlay contractors on bridge deck, parking deck, and road surfacing projects. Accepted as an alternative to imported calcined bauxite by over 40 state DOTs.
• Crushed Rock Full line of crushed rock products including ballast, base course, top course, minus crushed rock, clean landscape gravel, chip rock, driveway gravel, permeable aggregates, quarry spalls, and trail gravel. Used in construction, paving, driveways, chip sealing, and erosion control.
• Sand Sand products including infill sand, cork sand, USGA-spec top dressing sand, play sand, coarse sand, fine sand, manufactured sand, utility sand, sand-compost blends, coop sand, and ultrafine pool sand for golf courses, synthetic turf fields, construction, and residential use.
• Landscape Rock & Riprap Large quarry rock, riprap, and streambed boulders used for retaining walls, water features, shoreline protection, erosion control, and streambed restoration. Includes US Army Corps of Engineers-approved riprap grades.
• Round Rock Round rock products including drain rock, pea gravel, river rock, concrete aggregates, and streambed sediment for drainage, pipe bedding, playgrounds, gabion baskets, concrete manufacturing, and fish habitat restoration.
• Backfill Gravel Fill and backfill products including foundation material (WSDOT-spec), gravel borrow, and pit run for construction, trench backfilling, foundation preparation, and high-volume commercial excavations.
• Topsoil Bulk topsoil products including basic topsoil (screened sandy loam meeting WSDOT Type A specification), topsoil blends (Garden Mix and 3-Way Topsoil), and pond liner material for landscaping, gardening, and construction applications.
• Delivery Services Material delivery service with minimum 10 cubic yard orders. Dispatch coordinator provides 4-hour delivery windows. Various transportation options including solo truck, side dump, truck-and-trailer combo, slinger truck, flatbed, freight truck, railcar, and barge.
• Bagged Products (Super Sacks and 50-pound bags) Bagging service for sand, soil, and gravel up to 4 inches in diameter in four-panel Super Sack containers (100% recyclable polypropylene) or 50-pound bags. Kiln-dried product options available. National shipping via freight, rail, and barge.
• Waste Disposal & Concrete Recycling Concrete recycling service importing concrete from construction sites for crushing and reuse. Also imports certified topsoil from construction sites for site reclamation (minimum 200 tons).

Quantifiable outcome

• Armorstone products used on high-profile projects including Hoover Dam's Memorial Bridge, Oahu H-1 Freeway, Henry Hudson Bridge, Project Neon, and Yellowstone North Entrance Bridge
• +2 more outcomes

Named customers12 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

14 partnerships are on record, tiered minor.

• E-Chem LLCminorStrategic or Co-development PartnerEpoxy manufacturer client working with Washington Rock's Armorstone overlay aggregate products for road and bridge deck overlay projects.
• Sika USAminorStrategic or Co-development PartnerEpoxy manufacturer client using Washington Rock's Armorstone products in coating and overlay systems for transportation infrastructure.
• FasTrac Construction ProductsminorStrategic or Co-development PartnerConstruction products company working with Armorstone overlay aggregates for infrastructure projects.
• The Euclid Chemical CompanyminorStrategic or Co-development PartnerChemical and construction products company utilizing Armorstone aggregates in epoxy overlay systems.
• POLY-CARB by Olin EpoxyminorStrategic or Co-development PartnerEpoxy systems manufacturer partnering with Washington Rock on bridge deck and road overlay projects using Armorstone products.
• National Stone, Sand, and Gravel Association (NSSGA)minorOthersIndustry association membership for aggregates producers.
• Washington Aggregates and Concrete Association (WACA)minorOthersState industry association membership for aggregates and concrete producers in Washington.
• National Utility Contractors Association (NUCA)minorOthersIndustry association membership for utility and excavation contractors.
• Western Washington Golf Course Superintendents Association (WWGCSA)minorOthersSponsors events and golf tournaments. Industry association for golf course maintenance professionals.
• Northwest Turfgrass Association (NTA)minorOthersSponsors events and golf tournaments. Industry association for turfgrass professionals in the Pacific Northwest.
• National Bridge Preservation Partnership (NBPP)minorOthersIndustry partnership focused on bridge preservation and maintenance.
• American Sports Builders AssociationminorOthersMember organization for sports field and court construction professionals.
• Golf Course Builders Association of America (GCBAA)minorOthersIndustry association membership for golf course construction professionals.
• Golf Course Superintendents Association of America (GCSAA)minorOthersWestern Washington chapter membership for golf course maintenance professionals.

Scale indicators5 records

Recent moves3 records

Expansion highlights5 records

Broad incumbents

• Holcim US: US arm of global building materials giant (formerly LafargeHolcim), producing aggregates, cement, and ready-mix concrete nationwide. Directly comparable as a multi-product aggregates competitor with national distribution.
• Martin Marietta Materials: Major US aggregates producer with nationwide quarry and plant network supplying crushed stone, sand, gravel, and ready-mixed concrete. Closely aligned business model and product mix to Washington Rock's core operations.
• Vulcan Materials Company: Largest producer of construction aggregates in the US, operating hundreds of quarries nationwide. Directly comparable as a primary competitor in crushed stone, sand, and gravel, though at vastly greater scale and broader geography.
• Heidelberg Materials US: Major US aggregates and cement producer (formerly Lehigh Hanson). Comparable as a large-scale national aggregates operator with similar product categories and DOT-approved source positioning.
• Summit Materials: US-based vertically integrated aggregates, cement, and paving producer operating across multiple states. Comparable business model focused on construction aggregates with similar customer mix.

Regional players

• Granite Construction Incorporated: West Coast-headquartered infrastructure contractor and materials producer with aggregates operations in California, Washington, and other western states. Overlaps with Washington Rock on aggregate supply and Pacific Northwest infrastructure projects.
• Glacier Northwest (CalPortland subsidiary): Pacific Northwest-focused ready-mix concrete and aggregates producer operating under CalPortland. Closest regional competitor in the Puget Sound ready-mix and aggregates supply chain.

Direct peers

• CalPortland Company: Major West Coast aggregates, cement, and ready-mix concrete producer with strong Pacific Northwest presence. The most direct regional competitor to Washington Rock Quarries in crushed rock and sand/gravel for the Puget Sound market.
• Corliss Resources: Pacific Northwest sand, gravel, and crushed rock supplier serving the greater Seattle/Tacoma area. Direct regional competitor with similar product portfolio, customer base, and end-market exposure.
• Miles Sand & Gravel: Family-owned Pacific Northwest aggregate producer with multiple pits serving Washington State. Comparable mid-sized, family-owned operator with overlapping sand, gravel, and crushed rock product lines.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/WARockQuarries
• LinkedInlinkedin.com/company/washingtonrock

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 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 Washington Rock Quarries