RiverStone

What RiverStone does

RiverStone Group, Inc. is a Midwest construction aggregates producer headquartered in Davenport, Iowa, operating approximately 20 quarries, asphalt plants, recycle yards, and river terminals across Western Illinois and Eastern Iowa. The company manufactures crushed stone, sand, gravel, hot mix and cold mix asphalt, agricultural lime, rip rap, and recycled products such as Recycled Asphalt Product and recycled concrete, with materials certified to meet Iowa and Illinois DOT, FAA, and Army Corps of Engineers quality standards. Its operations are differentiated by a proprietary dynamic process control system that monitors thousands of data points per second and performs automated adjustments, maintained by an in-house team of electrical engineers.

The company traces its heritage to the 1892 Moline Channel Ice Company and has operated continuously under family ownership, currently in the third and fourth generations, with a strategic refocus on aggregates completed via the 2001 rebrand from Moline Consumers Company to RiverStone Group. Revenue is generated through direct, sales-led B2B transactions: dedicated sales representatives at each facility serve construction contractors, government agencies (state, county, federal), agricultural operations, and industrial buyers requiring environmental compliance materials. Products are sold on a per-unit, project, or contract basis with no publicly disclosed pricing; facilities can load trucks, barges, or rail cars for flexible delivery.

In December 2025, RiverStone filed for a US initial public offering to sell 2.5 million ordinary shares — its first external capital event — suggesting intent to fund facility expansion, modernization, or selective acquisitions. The business remains a regionally concentrated, commodity-adjacent operator with an unusual level of process automation for the sector.

Name

RiverStone

Legal name

RiverStone Group, Inc.

Website

https://riverstonegroup.com

Company type

Private

Founded year

1892

Operating status

Operating

Headcount range

251–500 employees

Short description

RiverStone Group is a family-owned Midwest construction aggregates producer operating ~20 quarries, asphalt plants, and terminals across Western Illinois and Eastern Iowa, supplying crushed stone, sand, gravel, asphalt, aglime, and recycled materials to construction contractors, government agencies, and agricultural buyers.

Ownership category

akta.pro rank

Product category

Construction Aggregates

NAICS

Construction Sand and Gravel Mining (212321), Nonmetallic Mineral Mining and Quarrying (2123), Asphalt Paving, Roofing, and Saturated Materials Manufacturing (32412)

SIC

Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400)

akta.pro primary industry

Construction Aggregates Mining & Processing (Sand, Gravel, Crushed Stone) (IMADAAAI)

akta.pro secondary industry

Asphalt Aggregates & Specialty Aggregates (Rail Ballast, Riprap, Lightweight) (IMADAAAJ)

Keywords

• Construction aggregates
• Crushed stone
• Asphalt production
• Agricultural lime
• Quarry operations

Headquarters

HQ city

Davenport

HQ country

United States

HQ region

North America

Offices20 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Aggregate Materials Sales: RiverStone generates revenue through the sale of construction aggregates including crushed stone, sand, gravel, asphalt, and specialty products. Products are sold on a per-unit basis to construction contractors, government agencies, and agricultural customers. The company operates quarries, asphalt plants, and terminals capable of loading trucks, barges, or rail cars.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

RiverStone Group produces and sells construction aggregates — including crushed stone, manufactured sand, river gravel, hot mix and cold mix asphalt, agricultural lime, rip rap, recycled asphalt, and recycled concrete — through quarries, asphalt plants, recycle yards, and river terminals in Western Illinois and Eastern Iowa. Products are sold to construction contractors, government agencies, agricultural operations, and industrial customers, and meet Quality Control Standards for Iowa and Illinois Departments of Transportation, the Federal Aviation Administration, and the Army Corps of Engineers.

Product overview

RiverStone Group is a construction aggregates producer offering a unified product portfolio centered on aggregates and asphalt products. Their core offerings include crushed stone, sand, gravel, and asphalt materials (hot mix and cold mix). They also provide specialty products including agricultural lime and recycled materials (RAP, recycled concrete). The company operates multiple facilities throughout Western Illinois and Eastern Iowa, offering a materials calculator tool for project estimation. Products meet Quality Control Standards for Iowa and Illinois Departments of Transportation, Federal Aviation Administration, and Army Corps of Engineers.

Differentiator

Problem solved

Functional benefit

Products and services

• Crushed Stone Primary construction aggregate including manufactured sand (finely graded, washed limestone for concrete and asphalt) and various stone sizes, sold to construction contractors, government agencies, and other aggregate buyers.
• Asphalt and Concrete Stone Crushed dolomitic limestone washed and primarily used in Ready Mix Concrete and Asphalt Paving, also suitable for seal coat applications, driveways, pipe bedding, foundation drainage, railroad ballast, and septic rock.
• Hot Mix Asphalt Mixture of rock, sand, and asphalt cement heated to approximately 300 to 350 degrees Fahrenheit, used for highways, parking lots, and driveways.
• Cold Mix Asphalt Product designed for repair of potholes; distributed as UPM cold mix, a premium asphalt repair product.
• Agricultural Lime (Aglime) Crushed limestone fines that neutralize soil pH and increase crop nutrient absorption, reducing need for artificial fertilizer, sold to farmers and agricultural operations.
• Aggregate Base Material Crushed limestone with fines used as solid base under concrete and asphalt for state, county, city and highway projects, also for roads, driveways, parking lots, and walking paths.
• Rip Rap and Erosion Stone Erosion control stone used along shorelines and sloped areas; products range from 6 inch (50 lbs.) to 22 inch (1000 lbs.) or greater.
• River Gravel Deep rich colored river gravel and high quality washed sand dredged from Mississippi River deposits, primarily used for landscaping and also for pipe bedding, clean back-fill, and commercial ready mix concrete.
• Natural Sand Clean washed sand for commercial use in ready mix, asphalt, and precast block; also mason sand and fill sand available for horse barns, play sand, and fill projects.
• Recycled Asphalt Product (RAP) Crushed asphalt typically used for driveways or parking lot surfacing material that binds together when compacted.
• Recycled Concrete Crushed concrete used for compactible sub base material under commercial paving projects.
• Ball Diamond Aggregate Finely crushed and washed dolomitic limestone that allows water to pass through it, helping prevent rain delays on baseball and softball fields.

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Cemex S.A.B. de C.V. Global building materials company producing cement, ready-mix concrete, aggregates, and asphalt. Comparable to RiverStone on aggregates, asphalt, and downstream construction materials, though Cemex is heavily weighted toward cement and operates internationally.
• Martin Marietta Materials: One of the largest US producers of aggregates (crushed stone, sand, gravel) and asphalt, with national operations. Comparable to RiverStone as a vertically integrated aggregates company serving construction and infrastructure customers, though operating at materially larger scale.
• Vulcan Materials Company: The largest US producer of construction aggregates - crushed stone, sand, gravel, and asphalt - with operations concentrated in the South/Midwest, serving DOTs, contractors, and industrial customers. Directly comparable product mix and customer base to RiverStone.
• Heidelberg Materials (Lehigh Hanson): Global cement and aggregates producer with significant US operations through Lehigh Hanson. Direct overlap with RiverStone in aggregates, asphalt, and DOT-spec materials, though at much greater scale and with global footprint.
• CRH plc / Oldcastle Materials: Global building materials leader with significant US aggregates and asphalt operations through Oldcastle. Broadly comparable in product categories (aggregates, asphalt, recycled materials) but at much larger scale and with international diversification.

Direct peers

• Summit Materials Inc. Vertically integrated construction materials company producing aggregates, ready-mix concrete, and asphalt across US markets, with a focus on the Midwest and Sunbelt. Closely comparable product portfolio and customer segments to RiverStone.
• Granite Construction Incorporated: Vertically integrated heavy civil contractor and materials producer with aggregates operations serving infrastructure and private construction. Comparable product portfolio (aggregates, asphalt) and similar DOT/agency customer base.

Regional players

• Couch Aggregates / Corliss Resources: Midwest-focused aggregates and construction materials supplier operating quarries and asphalt plants serving Illinois and the broader region. Comparable scale and product portfolio to RiverStone with overlapping geography.
• Central Stone Company: Family-owned Midwest aggregates producer operating quarries across Illinois and Missouri, producing crushed limestone, aglime, and asphalt. Directly comparable regional competitor with similar product mix serving DOTs and agricultural customers.
• Wendling Quarries Inc. Family-owned Iowa-based aggregates producer serving Eastern Iowa and neighboring states with crushed stone, sand, gravel, and recycled materials. Highly comparable mid-sized regional competitor to RiverStone in overlapping Iowa geography.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/people/RiverStone-Group-Inc/100057372222767
• LinkedInlinkedin.com/company/riverstonegroupinc.

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 RiverStone