Interstate Concrete & Asphalt

What Interstate Concrete & Asphalt does

Interstate Concrete & Asphalt is a regional construction materials producer and paving contractor serving Eastern Washington and Northern Idaho. Founded in 1986 and headquartered at Rathdrum, Idaho, the company operates as a subsidiary of CRH Americas Materials, Inc., which is itself part of CRH plc, a global building materials group. With 251-500 employees, more than six NRMCA-certified ready-mix concrete plants, and four permanent hot-mix asphalt facilities, Interstate supplies aggregates, ready-mixed concrete, asphalt, precast products, and full-service paving and construction to commercial developers, government agencies, and residential customers across the Inland Northwest.

The company generates revenue through two primary streams: transaction-based sales of construction materials produced at company-owned plants, and professional services for paving and construction projects executed by in-house crews. Distribution is direct, with customers requesting quotes via four regional offices (Spokane, Colville, Sandpoint, and Rathdrum) or through the company website. Pricing is quote-based with no public rates disclosed, and credit accounts are available for established customers. Documented customers include BNSF Railway, Schweitzer Mountain Ski Resort, Sandpoint Airport, and the Idaho Department of Transportation, the latter contracting Interstate for the I-90 NW Blvd to Sherman Avenue project that consumed 190,000 tons of aggregate and 120,000 tons of asphalt over two years.

Interstate's operating technology centers on certified production processes rather than software. Its ready-mix plants carry NRMCA certification, multiple asphalt facilities have earned NAPA Diamond Achievement Awards, and the company has adopted warm-mix technology, recycled asphalt incorporation, and issues third-party verified Environmental Product Declarations. The go-to-market motion is sales-led, supported by a 40-plus article Industry Insights blog, a self-serve website quote channel for smaller customers, and participation in community programs including Habitat for Humanity BlitzBuild and Toys for Tots, alongside industry coalition work with Build With Strength.

Name

Interstate Concrete & Asphalt

Legal name

Interstate Concrete & Asphalt

Website

https://interstateconcreteandasphalt.com

Company type

Private

Founded year

1986

Operating status

Operating

Headcount range

251–500 employees

Short description

Interstate Concrete & Asphalt is a regional construction materials producer and paving contractor serving Eastern Washington and Northern Idaho, supplying ready-mix concrete, asphalt, aggregates, precast products, and construction services to commercial, government, and residential customers as a subsidiary of CRH Americas Materials, Inc.

Ownership category

akta.pro rank

Product category

Construction Materials Supply

NAICS

Ready-Mix Concrete Manufacturing (32732), Asphalt Paving Mixture and Block Manufacturing (324121), Other Concrete Product Manufacturing (327390), Poured Concrete Foundation and Structure Contractors (23811)

SIC

Concrete Products, Except Block & Brick (3272), Asphalt Paving & Roofing Materials (2950), Heavy Construction Other Than Bldg Const - Contractors (1600)

akta.pro primary industry

Ready-Mix Concrete Production & Delivery (IMADAAAA)

akta.pro secondary industries

Asphalt Mixing & Paving Materials (Hot/Warm/Cold Mix, RAP/RAS Blends) (EUALAKAG), Precast Concrete Products (IMADAAAB), Asphalt Aggregates & Specialty Aggregates (Rail Ballast, Riprap, Lightweight) (IMADAAAJ)

Keywords

• Ready-mix concrete
• Hot-mix asphalt
• Construction aggregates
• Concrete paving services
• Precast concrete products

Headquarters

HQ city

Spokane

HQ country

United States

HQ region

North America

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Construction Materials Sales: Sale of construction materials including aggregates, ready-mixed concrete, asphalt, precast products (septic tanks, water tanks, ecology blocks). Materials are produced at company-owned plants and sold directly to customers for projects ranging from residential to large-scale highway construction.
2. Paving and Construction Services: Full-service construction department providing services from ground breaking to finish paving. Includes grading, asphalt paving, and general construction services performed by company crews.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Interstate Concrete & Asphalt manufactures and supplies construction materials — ready-mixed concrete, hot-mix asphalt, and a full range of aggregates — from more than six ready-mix plants and four hot-mix asphalt facilities across Eastern Washington and Northern Idaho. The company also sells precast products such as septic and water tanks, ecology blocks, and drywells, and operates a construction crew that performs grading, asphalt paving, and general construction work from ground breaking to finish paving.

Product overview

Interstate Concrete & Asphalt operates as a construction materials supplier offering a unified portfolio of five core product lines: Ready-Mix Concrete (produced at NRMCA-certified plants), Asphalt/Grading/Paving (with NAPA Diamond Achievement Award-winning facilities), Aggregates (full product range), Construction services, and Precast/Septic/Water Tanks. The company serves the Inland Northwest region (Eastern Washington and Northern Idaho) as a single-source provider for sand, rock, landscape products, ready mix concrete, asphalt, paving, and construction services.

Differentiator

Problem solved

Functional benefit

Products and services

• Ready-Mix Concrete

Quantifiable outcome

• NRMCA certified ready-mix plants
• +1 more outcomes

Named customers4 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Six partnerships are on record, tiered core and minor.

• Build With StrengthcoreStrategic or Co-development PartnerCoalition of architects, builders, engineers, emergency services personnel, and policymakers promoting the benefits of ready mixed concrete as the building material of choice. Interstate Concrete & Asphalt participates in this industry initiative.
• National Ready Mixed Concrete Association (NRMCA)coreStrategic or Co-development PartnerIndustry association that provides plant certification and training programs. Interstate Concrete & Asphalt operates NRMCA-certified plants and participated in NRMCA Drive School for employee CDL training certification.
• National Asphalt Pavement Association (NAPA)coreStrategic or Co-development PartnerIndustry association recognizing excellence in asphalt pavement operations. Interstate Concrete & Asphalt has received the Diamond Achievement Award for multiple facilities.
• Habitat for HumanityminorGTM or Marketing PartnerOngoing collaboration with Habitat for Humanity BlitzBuild program. Teams from Central Pre-Mix, Inland Asphalt, and Interstate Concrete and Asphalt have participated in building homes in the region.
• Toys for TotsminorGTM or Marketing PartnerCommunity partnership during holiday seasons. Interstate Concrete & Asphalt raised over $1500 in cash and toy donations during the 2021 holiday season.
• NRMCA (Drive School)minorStrategic or Co-development PartnerTraining certification program for CDL driver training. Interstate Concrete & Asphalt hosted its first NRMCA-certified drive school at their Rathdrum location, enabling employees to obtain CDL certifications.

Scale indicators5 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Central Pre-Mix Concrete Products: Spokane-area ready-mix concrete and aggregates producer that is itself a CRH Americas Materials subsidiary and explicitly co-partnered with Interstate on the Habitat for Humanity BlitzBuild. Directly comparable in product mix (concrete, aggregates), geography (Inland Northwest), and customer base.
• Inland Asphalt Company: Spokane-based asphalt paving and materials company also operating under CRH Americas Materials and co-participating with Interstate in regional community projects. Closely matches Interstate's asphalt production, paving services, and Inland Northwest service territory.
• Cadman Inc. Heidelberg Materials subsidiary operating ready-mix concrete, aggregates, and asphalt plants across Washington state. Directly competes with Interstate in overlapping PNW markets with a comparable ready-mix / aggregates / asphalt product portfolio.
• Glacier Northwest: Major Pacific Northwest producer of ready-mix concrete, sand and gravel, and asphalt, serving Western and Eastern Washington. Comparable in product mix (concrete, aggregates, asphalt) and end markets (commercial, infrastructure, residential) within Washington.

Regional players

• Knife River Corporation: Aggregates, ready-mix concrete, asphalt, and paving services company with significant Pacific Northwest operations through its predecessor MDU Resources group. Highly comparable product set and business model, with a regional rather than national footprint that mirrors Interstate's go-to-market.

Broad incumbents

• CalPortland Company: Major West Coast-based building materials producer offering ready-mix concrete, aggregates, asphalt, and cement. Larger incumbent operating across multiple Western states including Washington, with overlapping product lines though a broader geographic and product footprint.
• Vulcan Materials Company: Largest U.S. producer of construction aggregates and a major supplier of ready-mix concrete and asphalt. National incumbent with comparable product portfolio; competes for large infrastructure contracts in the Pacific Northwest though it is not regionally focused.
• Martin Marietta Materials: National leading supplier of aggregates and a growing producer of ready-mix concrete and asphalt. Overlaps with Interstate across aggregates, ready-mix, and asphalt end markets, though it operates at much larger national scale.
• Holcim US: U.S. subsidiary of global building materials giant Holcim Ltd., producing aggregates, ready-mix concrete, asphalt, and cement across the western U.S. Comparable in product portfolio though it is a much larger, more diversified global incumbent.
• Summit Materials: Vertically integrated construction materials company producing aggregates, ready-mix concrete, and cement across the U.S., with western U.S. operations that overlap Interstate's footprint. Larger, publicly traded peer with comparable aggregates-concrete-asphalt model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance2 records

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 Interstate Concrete & Asphalt