What Atkinson Construction does

Atkinson Construction (legal entity Guy F. Atkinson Construction, LLC) is a heavy civil construction contractor founded in 1926 and operating as a wholly owned subsidiary of Clark Construction Group since 1998. The company is organized into three regional divisions: California (headquartered in Costa Mesa), Northwest (headquartered in Renton, Washington, since 1941), and Underground (headquartered in Austin, Texas), each delivering large-scale transportation, water, and underground infrastructure. Atkinson employs 500+ full-time staff and reports approximately $500M+ in annual revenue, with no external institutional investors or public listing.

The firm's core services span six market sectors: dams and hydro, heavy and light rail, mass transit, roadways and bridges, tunnels and mines, and water and wastewater. Technical differentiation is concentrated in the Underground Division, which has excavated 300+ miles of tunnels across 26 states using methods including Tunnel Boring Machine (TBM) excavation, Sequential Excavation Method (SEM), New Austrian Tunneling Method (NATM), and drill & blast techniques. Projects are delivered through alternative procurement models including Design-Build, Construction Manager/General Contractor (CMGC), and Progressive Design-Build, in addition to traditional design-bid-build. Specialized capabilities include self-perform excavation, concrete paving, utilities, and structures work, as well as environmental stewardship services such as wildlife crossings (including the first and largest wildlife overcrossings over a U.S. interstate), fish passage culvert removal, wetland mitigation, and EV charging infrastructure with solar canopies.

Atkinson generates revenue primarily through fixed-price and cost-plus construction contracts awarded via competitive bidding and qualification-based selection from government clients. Its customer base is concentrated in state Departments of Transportation (WSDOT, Caltrans), regional transit authorities (Sound Transit), federal agencies (U.S. Army Corps of Engineers, GSA), municipal governments (City of Seattle, Atlanta Watershed Department), and select enterprise clients (BNSF Railway). The company markets its capabilities through a corporate website, LinkedIn, Instagram, Facebook, and Twitter/X, alongside project case studies, press releases, and community engagement programs. No AI/ML capabilities, public APIs, or software products are disclosed in the source materials.

Name

Atkinson Construction

Legal name

Guy F. Atkinson Construction, LLC

Website

https://atkn.com

Company type

Private

Founded year

1926

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Atkinson Construction is a heavy civil construction contractor founded in 1926 and operating as a wholly owned subsidiary of Clark Construction Group, delivering tunnels, bridges, rail, transit, and roadway infrastructure to state DOTs, transit authorities, and federal agencies across the Western United States.

Ownership category

akta.pro rank

Product category

Heavy Civil Construction

NAICS

Heavy and Civil Engineering Construction (237), Water and Sewer Line and Related Structures Construction (237110), Highway, Street, and Bridge Construction (23731)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600)

akta.pro primary industry

Tunnel Construction (Road, Rail, Utility) (IMAFAEAC)

akta.pro secondary industries

Tunnels & Underground Rail Civil Construction (IMAFAFAE), Railway Track & Civil Works Construction (Ballast, Slab Track, Alignment) (IMAFAFAA), Water & Wastewater Pipeline Construction (Mains, Force Mains, Interceptors) (IMAFAGAC)

Keywords

• Heavy civil construction
• Transportation infrastructure
• Tunnel construction services
• Bridge and roadway construction
• Alternative delivery contracting

Headquarters

HQ city

Broomfield

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Construction Contract Services: Revenue generated from heavy civil construction project contracts with government agencies, state DOTs, transit authorities, and federal clients. Projects include roadways, bridges, tunnels, dams, and water/wastewater infrastructure delivered through various contract types including design-build, CMGC, and traditional general contracting.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels8 records

Core offering

Atkinson Construction is a full-service heavy civil contractor that performs work under competitively bid and negotiated contracts for state transportation departments, transit authorities, federal agencies, and railroad companies. The company builds tunnels, bridges, roadways, dams, rail and mass transit infrastructure, and water/wastewater systems, delivering projects through alternative methods including Design-Build, CMGC, Progressive Design-Build, and Construction Manager at Risk.

Product overview

Atkinson Construction (Guy F. Atkinson Construction, LLC) is a heavy civil construction company founded in 1926, operating as a subsidiary of Clark Construction Group. The company offers a comprehensive suite of infrastructure construction services organized around six core market sectors: Dams & Hydro, Heavy & Light Rail, Mass Transit, Roadways & Bridges, Tunnels & Mines, and Water & Wastewater. These services are delivered through multiple project delivery methods including Design-Build, Construction Manager at Risk (CMAR), Progressive Design-Build, and Construction Manager/General Contractor (CMGC). The company specializes in complex, large-scale civil infrastructure projects and maintains three regional divisions (California, Northwest, and Underground) with specialized expertise in tunnel construction, shaft sinking, and mine development. Atkinson also provides specialized environmental stewardship services including wildlife crossings, wetland mitigation, and sustainable infrastructure solutions.

Differentiator

Problem solved

Functional benefit

Products and services

• Dams & Hydro Construction Heavy civil construction services for dam infrastructure and hydroelectric facilities, delivered for federal and state agencies. Services include dam construction and rehabilitation of hydroelectric generation assets.
• Heavy & Light Rail Construction Construction of heavy rail and light rail transit infrastructure for transit authorities and railroad clients, including light rail extensions such as Sound Transit's East Link Extension E330 Downtown Tunnel.
• Mass Transit Infrastructure Mass transit construction services including station construction, bus rapid transit facilities, operations and maintenance facilities, and transit corridor improvements for agencies such as Sound Transit.
• Roadways & Bridges Construction and improvement of roadways and bridges, including highway expansions, interchange construction, and signature bridge projects such as the SR 520 Floating Bridge, I-5 corridor improvements, and Coronado Bay Bridge, for state DOTs.
• Tunnels & Mines Specialized tunnel construction, shaft sinking, and mine development using Sequential Excavation Method (SEM), New Austrian Tunneling Method (NATM), Tunnel Boring Machine (TBM), drill & blast, and roadheader excavation for water supply, transit, rail, and mining clients.
• Water & Wastewater Infrastructure Construction of water supply systems, wastewater treatment infrastructure, and related environmental engineering projects for municipal water districts and utilities (e.g., Atlanta Watershed Department's Bellwood Quarry Tunnels and Shafts).
• Design-Build Delivery Alternative project delivery method combining design and construction phases under a single contract, enabling collaborative project development for complex infrastructure owners.
• Construction Manager at Risk (CMAR) Project delivery method where the construction manager provides cost guarantees and assumes risk for project delivery on complex heavy civil projects.
• Progressive Design-Build Phased design-build approach allowing for collaborative development of project design before final pricing on complex infrastructure projects.
• Environmental Stewardship Services Sustainable construction practices including wetland mitigation (200+ acres), stream channel restoration (5,000+ LF), wildlife crossings, fish passage projects, and EV charging infrastructure with solar canopies integrated into transportation projects.

Quantifiable outcome

• First wildlife overcrossing over an interstate in North America at I-90/Keechelus Dam to Stampede Pass
• +2 more outcomes

Named customers9 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature7 records

Partnerships

Three partnerships are on record, tiered core.

• Sound TransitcoreStrategic or Co-development Partner · 12 August 2025Sound Transit awarded Atkinson construction contracts for the Stride bus rapid transit program. Atkinson serves as contractor for the Kenmore and Bothell portion of the S3 Line, constructing the Bus Operations and Maintenance Facility in Bothell.
• Strategic Partnership Program (SPP) ParticipantscoreStrategic or Co-development PartnerExecutive education program helping small businesses grow capability and capacity. Provides construction management and business skills training to minority-, women-, and veteran-owned firms working in construction, engineering, and architecture.
• SDBE15 ProgramcoreStrategic or Co-development PartnerAtkinson supports the SDBE15 pledge initiative designed to expand networks, cultivate lasting partnerships, and enhance nationwide client delivery. Aligned with the Strategic Partnership Program.

Scale indicators9 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Kiewit Infrastructure West Co. Largest U.S. heavy civil and tunnel contractor; competes head-to-head with Atkinson on West Coast rail, bridge, and underground transit pursuits including Sound Transit and Caltrans alternative-delivery projects.
• Granite Construction: California-headquartered heavy civil and transportation infrastructure contractor; directly competes with Atkinson's California Division on highways, bridges, and transit projects for Caltrans and regional agencies.
• Tutor Perini Corporation: Major U.S. heavy civil contractor with a dedicated Civil Segment that delivers tunnels, bridges, and transit infrastructure; directly comparable to Atkinson's Underground Division on complex design-build tunneling.
• Traylor Bros., Inc. Privately held heavy civil contractor specializing in tunnels, bridges, and marine construction; competes with Atkinson's Underground Division on transit and water conveyance tunnel projects nationally.
• Skanska USA Civil: Swedish-owned U.S. heavy civil arm delivering transit, tunnel, bridge, and water infrastructure; competes with Atkinson on West Coast and Northeast design-build transit and tunnel pursuits.
• Flatiron Construction: HOCHTIEF-owned heavy civil contractor focused on bridges, highways, and tunnels in the western U.S.; competes with Atkinson on Caltrans, CDOT, and WSDOT alternative-delivery bridge and tunnel programs.
• The Walsh Group / Walsh Construction: Family-owned heavy civil and building contractor with a strong transportation infrastructure practice; overlaps with Atkinson on DOT bridge, highway, and transit pursuits across multiple U.S. regions.
• Lane Construction: Webuild-owned U.S. heavy civil subsidiary delivering highways, bridges, tunnels, and rail infrastructure; competes with Atkinson's Underground Division on transit and water tunnel projects.
• Stacy and Witbeck, Inc. Regional heavy civil and transit specialty contractor focused on light rail, streetcar, and bus rapid transit in the western U.S.; competes with Atkinson on Sound Transit, TriMet, and other regional rail pursuits.

Broad incumbents

• Clark Construction Group, LLC: Atkinson's parent since 1998; operates across heavy civil, commercial building, and infrastructure at greater scale and scope, and competes for the same government clients on integrated civil-building pursuits.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/AtkinsonBuilds
• Facebookfacebook.com/AtkinsonBuilds1926
• LinkedInlinkedin.com/company/atkinson-construction
• Instagraminstagram.com/atkinsonbuilds

Revenue estimate

Valuation estimate

Number of profiles

Profiles25 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 Atkinson Construction