What L. Keeley Construction does

L. Keeley Construction is a family-owned, nationwide construction enterprise headquartered in St. Louis, Missouri, founded in 1975 by Larry Keeley as a small paving company. The company operates four integrated business units - Civil, Paving, Building, and Industrial - serving municipalities, utilities, industrial owners, and commercial developers across the United States. Customer bases span regulated water and wastewater infrastructure, power and energy (including substations, transmission/distribution, solar, BESS, RNG, hydrogen, and mission critical facilities), industrial process facilities (food and beverage, chemical, aggregates, oil and gas, advanced manufacturing), and commercial building projects (education, healthcare, financial facilities, stadiums, multifamily, life sciences).

The company's core technical capability is a self-perform construction delivery model that maintains direct in-house workforce control over earthwork, mass excavation, underground utilities, structural concrete (including post-tension slabs and elevated work), asphalt paving, carpentry, mechanical installation, and demolition. This self-perform approach is positioned as reducing coordination friction versus traditional subcontractor-heavy models and enabling greater schedule certainty, quality control, and safety outcomes. The company maintains regional offices and paving operations in Colorado Springs, Phoenix, Tulsa, Charlotte, Tampa, New Braunfels, Dallas, and St. Louis, with notable enterprise customers including Mastercard, Morgan Stanley, World Wide Technology, GoDaddy, Aldi, and the Asian Development Bank.

Revenue is generated through project-based construction contracts across the four business units, utilizing fixed-price or cost-plus structures under general construction, design-build, CMAR, and design-bid-build delivery methods. Project values range from five-figure minor utility work to seven- to eight-figure water treatment plants, with booster pump stations typically running $1-2M+ and solar projects priced at $1.40-$3.50 per watt. Go-to-market is enterprise field sales with direct client engagement, RFP responses, and pre-qualification-based subcontractor onboarding, with no channel partners or resellers. The company employs over 1,500 personnel ('Keeley'ns') and is ranked in ENR's 2026 Top 400 Contractors. Revenue is not publicly disclosed and the company remains privately held under family ownership.

Name

L. Keeley Construction

Legal name

Keeley Companies, Inc.

Website

https://keeleyconstruction.com

Company type

Private

Founded year

1975

Operating status

Operating

Headcount range

251–500 employees

Short description

L. Keeley Construction is a family-owned, St. Louis-based nationwide construction firm founded in 1975, operating four business units (Civil, Paving, Building, Industrial) serving municipalities, utilities, industrial owners, and commercial developers through self-perform delivery.

Ownership category

akta.pro rank

Product category

Construction Services

NAICS

Site Preparation Contractors (238910), Commercial and Institutional Building Construction (23622), Industrial Building Construction (23621), Water and Sewer Line and Related Structures Construction (237110), Poured Concrete Foundation and Structure Contractors (23811)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600), General Bldg Contractors - Nonresidential Bldgs (1540), Water, Sewer, Pipeline, Comm & Power Line Construction (1623), Asphalt Paving & Roofing Materials (2950)

akta.pro primary industry

Mass Excavation & Bulk Earthmoving (Cut/Fill, Grading) (IMAFAKAC)

akta.pro secondary industries

Dewatering & Groundwater Control (Wellpoints, Deep Wells, Cutoff Systems) (IMAFAOAF), Warehousing, Distribution & Cold Storage Facility Construction (IMAFADAL)

Keywords

• Civil construction services
• Industrial construction services
• Water infrastructure construction
• Commercial building construction
• Asphalt paving services

Headquarters

HQ city

Saint Louis

HQ country

United States

HQ region

North America

Offices8 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Construction Services Revenue: Keeley Construction generates revenue through project-based construction contracts across four business units: Civil, Paving, Building, and Industrial. Revenue is earned through fixed-price or cost-plus contracts for general construction, design-build, CMAR, and design-bid-build delivery methods. Projects range from municipal water infrastructure to commercial building construction to industrial process facilities.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

L. Keeley Construction is a family-owned national construction enterprise providing self-perform civil, paving, building, and industrial construction services across the United States. The company delivers site preparation, earthwork, structural concrete, underground utilities, water and wastewater infrastructure, power and energy facilities, commercial buildings, and industrial manufacturing plants through in-house field crews working under fixed-price or cost-plus contracts (general construction, design-build, CMAR, design-bid-build).

Product overview

L. Keeley Construction is a family-owned construction enterprise established in 1975, offering four integrated business units: Civil, Paving, Building, and Industrial. The company operates as a customer-centric construction partner specializing in key market sectors including Power & Energy (transmission/distribution, substations, solar, BESS, RNG, hydrogen), Water & Wastewater (treatment facilities, pump/lift stations, utilities), Industrial & Manufacturing (food & beverage, chemical processing, aggregates, advanced manufacturing), and Commercial (education, office, retail, stadiums, healthcare). The core differentiator is a self-perform model where Keeley maintains direct control over critical scopes including earthwork, structural concrete, underground utilities, process piping, and civil construction through its own field teams.

Differentiator

Problem solved

Functional benefit

Products and services

• Civil Construction Services Heavy civil construction services including site preparation, earthwork, grading, deep foundations, structural concrete, underground utilities, and civil infrastructure for energy, water, and industrial projects.
• Paving Services Asphalt paving services offered across multiple locations including Colorado Springs, Phoenix, Tulsa, Charlotte, Tampa, New Braunfels, Dallas, and St. Louis, serving commercial, municipal, and industrial clients.
• Building Construction Services Commercial and institutional building construction services including education, office, retail, stadiums, entertainment venues, financial facilities, multifamily, life sciences, and healthcare facilities.
• Industrial Construction Services Industrial and manufacturing construction services including agriculture, food and beverage, chemical processing, aggregates, advanced manufacturing, oil and gas, industrial gases, and pulp and paper facilities.
• Power & Energy Services Comprehensive energy infrastructure services covering transmission/distribution, electrical substations, solar energy, battery energy storage systems (BESS), renewable natural gas (RNG) facilities, hydrogen, and mission critical facilities.
• Water & Wastewater Services Water infrastructure construction including water distribution, water treatment plants, wastewater treatment facilities, pump stations, lift stations, clarifiers, aeration basins, digesters, biosolids facilities, underground utilities, and SCADA/controls integration.
• Self-Perform Construction Services Self-perform delivery model maintaining direct control over earthwork, excavation, concrete foundations, structural flatwork, post-tension slabs, elevated concrete, asphalt paving, carpentry, drywall, mechanical/electrical/plumbing modifications, and demolition through in-house workforce.

Named customers12 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

Feature1 record

Scale indicators5 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• EMCOR Group: National provider of mechanical and electrical construction, energy services, and facilities — comparable to the mechanical/process piping component of Keeley's self-perform model and a relevant benchmark for industrial-services margin profiles.
• MasTec: National infrastructure contractor with leading positions in clean energy (solar, wind, BESS), oil & gas pipelines, and communications — competes head-to-head with Keeley's Power & Energy offerings and operates at meaningfully greater scale.
• Quanta Services: Largest specialty infrastructure contractor focused on electric power, transmission, renewables, and pipeline — overlaps with Keeley's Power & Energy unit (solar, BESS, substations, T&D) and represents the dominant scaled competitor in those verticals.
• Burns & McDonnell: Employee-owned engineering, architecture, and construction firm with strong water, power, and industrial practices — closely comparable end-market mix to Keeley and a Midwest-headquartered peer of similar family/employee-owned character.
• Tutor Perini: Large diversified general contractor across civil, building, and specialty (including electrical and mechanical) — provides a public-market benchmark for a diversified, multi-vertical self-perform construction platform.
• Kiewit Corporation: Largest privately-held US contractor, with heavy civil, building, industrial, and energy infrastructure operations — represents the upper-bound scale competitor that Keeley encounters on mega-projects and the standard for self-perform excellence in the industry.

Direct peers

• Granite Construction: Public heavy civil and specialty contractor with significant water/resources, transportation, and materials exposure — comparable to Keeley's Civil and Water & Wastewater units and a useful reference point for the public-market valuation of a similar mix.
• McCarthy Building Companies: St. Louis-headquartered, employee-owned general contractor with a self-perform model spanning heavy civil, industrial, and commercial building — Keeley's closest geographic and operational analog, including overlapping water/wastewater and industrial process capabilities.
• Walsh Group: Family-owned, multi-generation US contractor operating Walsh Construction and Archer Western across heavy civil, building, and transportation — directly comparable to Keeley's diversified four-unit platform and family-owned governance model.
• Barton Malow: Self-perform contractor serving industrial, commercial, energy, and sports/institutional markets with strong craft-labor culture — mirrors Keeley's self-perform delivery model and emphasis on integrated civil-mechanical capability on complex projects.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/l-keeley-construction

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 L. Keeley Construction