Illinois Construction Co

What Illinois Construction Co does

Illinois Construction Co (ICC) is an employee-owned heavy-civil construction contractor headquartered in Elburn, Illinois, with additional offices in Burr Ridge, Illinois and Indianapolis, Indiana. The company delivers infrastructure work across the Midwest, with a service portfolio spanning preconstruction, design-build, general contracting, and self-perform execution. Its core technical capabilities are concentrated in bridge construction (including movable and pedestrian bridges), marine construction, and specialized sheeting and pile driving, complemented by emergency-response work for infrastructure failures.

ICC's primary customers are Class 1, 2, and 3 freight railroads, commuter rail authorities, federal agencies, and state and local government owners, with a smaller private civil book. The company pursues qualification-gated public and regulated-private work (bonded DOT/rail projects) where track record, safety performance, and self-perform capability are prerequisites to bid. Revenue mechanics are project-based, primarily fixed-price and unit-rate contracting typical of heavy-civil construction, with emergency callouts providing counter-cyclical demand.

The firm operates a multi-office regional model with owned marine equipment and self-perform crews, which reduces subcontractor dependence on the most technically demanding scopes. Operations are organized to support fast mobilization for live-track rail work and movable-bridge emergencies, an advantage in owner procurement where response time is scored. The employee-owned structure is positioned as a retention and incentive mechanism in a tight craft-labor market.

Name

Illinois Construction Co

Legal name

Illinois Construction Co

Website

https://illinoisconstructors.com

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

Illinois Construction Co (ICC) is an employee-owned heavy-civil contractor in Elburn, Illinois, delivering bridge, marine, railroad, and government infrastructure projects across the Midwest via design-build, general contracting, and self-perform execution.

Ownership category

akta.pro rank

Product category

Heavy Civil Construction

NAICS

Heavy and Civil Engineering Construction (237), Other Heavy and Civil Engineering Construction (237990)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600), General Bldg Contractors - Nonresidential Bldgs (1540)

akta.pro primary industry

Public Works General Contracting (IMAFAAAG)

Keywords

• Civil construction services
• Bridge construction
• Railroad construction
• Marine construction
• Design-build contracting

Headquarters

HQ city

Elburn

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Infrastructure, Operations, Others

Revenue model

1. Construction Project Revenue: ICC generates revenue through project-based construction contracts, including design-build, general contracting, and self-perform construction services for infrastructure projects including bridges, railroads, and marine construction.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Illinois Construction Co (ICC) is an employee-owned heavy civil contractor that self-performs and manages construction of bridges, freight and commuter railroads, marine/waterway infrastructure, and private civil projects. The company delivers these projects through preconstruction planning, design-build, and general contracting models, with in-house sheeting, pile driving, and an owned marine equipment fleet supporting deep-foundation and waterway work.

Product overview

Illinois Construction Co (ICC) is a construction services company offering a comprehensive portfolio of project delivery methods and specialized construction services. The company operates as a unified platform providing preconstruction planning, design-build, general contracting, and self-performance capabilities. ICC's service offerings are organized around project types (emergency work, freight/commuter railroad, government projects, movable and pedestrian bridges, private civil) and specialized construction disciplines (sheeting & pile driving, bridge construction, marine construction). Additional operational commitments include safety, quality assurance, diversity & inclusion, and community engagement programs. The company serves Class 1, 2, and 3 freight railroad owners as well as commuter rail, state/local government, and federal clients.

Differentiator

Problem solved

Functional benefit

Products and services

• Preconstruction Services

Named customers4 records

Segments3 records

Ideal customer profiles3 records

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Skanska USA: Global construction firm with a substantial US civil practice covering bridges, rail, and public infrastructure. Competes with ICC on the same RFPs for large bridge and transportation projects but at much greater scale and geographic reach.
• Granite Construction: National heavy civil contractor with large-scale bridge, rail, and water resources capabilities. Overlaps with ICC on bridge, rail, and public infrastructure work but operates at materially larger scale and geographic breadth.
• Kiewit Corporation: One of North America's largest employee-owned construction firms with deep heavy civil, bridge, rail, and marine practices. Direct competitive overlap on ICC's core scopes but at vastly larger scale and bonding capacity.

Direct peers

• Sterling Construction Company: Infrastructure contractor focused on heavy civil, transportation, and bridge work across multiple states. Comparable to ICC on transportation infrastructure mix and public-sector customer base, though broader geographically.
• Traylor Bros: Indiana-based heavy civil contractor with deep railroad, bridge, and marine construction capabilities — virtually identical service mix to ICC including Class 1 rail work, underwater/marine scopes, and bridge building.
• Lunda Construction: Upper Midwest bridge builder specializing in complex and movable bridges. Closely comparable to ICC on bridge engineering capabilities, self-perform construction, and regional Midwest focus.
• Ames Construction: Minnesota-headquartered heavy civil contractor with railroad, bridge, and complex infrastructure capabilities. Comparable to ICC in self-perform culture, Midwest regional presence, and Class 1 rail relationships.
• Kraemer North America: Wisconsin-based heavy civil contractor with strong railroad, bridge, and marine construction practices. Directly comparable to ICC on rail client mix, bridge self-perform work, and Midwest geographic focus.
• Kokosing Construction: Ohio-based employee-owned heavy civil and bridge builder. Highly comparable to ICC on employee-ownership culture, bridge self-perform capabilities, and Midwest state DOT customer base.
• Walsh Construction: Chicago-based general contractor with substantial heavy civil, bridge, and rail practices serving Illinois DOT and the Midwest — direct overlap with ICC on geography, customer base, and bridge/transportation scopes.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/illinois-construction-co

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 Illinois Construction Co