What W. A. Klinger does

W. A. Klinger, L.L.C. is a privately held commercial construction firm headquartered in Sioux City, Iowa, founded in 1919 by William A. Klinger and now operating as a subsidiary of family holding company Klinger Companies, L.L.C. The company is the largest commercial contractor in the Siouxland tri-state region (Iowa, South Dakota, Nebraska), with 101–250 employees and a 100+ year operating history. It delivers projects across four primary verticals — education, healthcare, industrial, and commercial — through three delivery methods: construction management, design-build, and general contracting, supplemented by pre-construction planning and sustainable-building services. Self-perform capabilities cover concrete, carpentry, millwright, demolition, and specialty installation, enabling direct control over quality, cost, and schedule.

The firm's technology stack is conventional for mid-market commercial construction: 3D Building Information Modeling (BIM) for MEP and above-ceiling coordination, the Procore platform for daily site monitoring and quality control, and LEED-accredited professional workflows for sustainable delivery, including Net Zero and LEED Gold-certified projects. Notable completed projects include a 255,000 SF Royal Canin pet food manufacturing plant (LEED Gold), a 134,000 SF MOC-Floyd Valley elementary school, an $11.4M Hard Rock Hotel & Casino parking garage, and a 21,700 SF Net Zero Mission Support Building for Goodwill of the Great Plains.

The business model is project-based, with revenue generated through construction management fees, design-build contracts, and general contracting margins. Pricing is scope-specific and not publicly standardized; public-sector work is acquired via competitive bidding while private-sector work is typically negotiated. The go-to-market is relationship-driven field sales, leveraging 100+ years of regional presence, repeat district-level engagements in education and healthcare, and a recurring design-build partnership with CMBA Architects. The firm holds no patents, operates exclusively in the U.S. Midwest, and has no disclosed funding rounds or external investors, making it a family-controlled operating company under multi-generational Gleeson-family ownership.

Name

W. A. Klinger

Legal name

W.A. Klinger, L.L.C.

Website

https://waklinger.com

Company type

Private

Founded year

1919

Operating status

Operating

Headcount range

101–250 employees

Short description

W. A. Klinger is a 100+ year-old privately held commercial construction firm in Sioux City, Iowa, serving the Siouxland tri-state region as the largest local contractor in education, healthcare, industrial, and commercial sectors via construction management, design-build, and self-perform general contracting.

Ownership category

akta.pro rank

Headquarters

HQ city

Sioux City

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Construction Services: Revenue generated through construction project fees as a general contractor, construction manager, and design-build contractor. Projects range from small renovations to large-scale new construction. Fees are based on project cost plus contractor margin, with some projects delivered under negotiated contracts and others through competitive bidding. The company self-performs portions of work including concrete, carpentry, and specialty trades.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

W. A. Klinger is a commercial construction firm delivering integrated construction management, design-build, general contracting, and pre-construction services across the Siouxland region (Iowa, South Dakota, Nebraska). The company serves education, healthcare, industrial, and commercial clients, self-performing key trades including concrete, carpentry, demolition, and millwright work, and provides sustainable building expertise including LEED-certified and Net Zero facilities.

Product overview

W. A. Klinger is a commercial construction company offering a unified portfolio of construction services rather than a modular software platform. Their core service offering consists of four integrated delivery methods: Construction Management, Design-Build, General Contractor, and Pre-Construction Services. These services are complemented by Sustainable Building expertise and Self-Perform Services that allow the company to execute key construction tasks internally. The company specializes in education, healthcare, industrial, and commercial sectors across the Siouxland region. Their integrated approach combines pre-construction planning with construction execution, value engineering, and quality control under a single partnered delivery model.

Differentiator

Problem solved

Functional benefit

Products and services

• Construction Management Construction management services built on clear communication, proactive oversight, and commitment to quality, providing partnership through pre-construction and project completion with the ability to self-perform key tasks alongside managing subcontractors. Intended for enterprise owners including school districts, healthcare systems, manufacturers, and commercial developers in the Siouxland region.
• Design-Build Design-build services combining design and construction into one streamlined process with a single point of contact, simplifying communication, reducing timelines, and optimizing designs for constructability and efficiency. Targeted at owners seeking an integrated, single-source delivery for new construction or major renovations.
• General Contractor Full-service general contractor offering with a hands-on approach to every project, managing all aspects to ensure completion on time, on budget, and to the highest standards. Suited to projects where the owner retains separate design and contracting roles.
• Pre-Construction Services Pre-construction planning and cost estimating services including project management, scheduling, value engineering, subcontractor pre-qualification, and constructibility review of drawings. Designed for owners seeking early-stage cost, schedule, and design risk reduction before committing to construction.
• Sustainable Building Sustainable design and construction methods delivered by LEED-accredited professionals, including Net Zero Energy facilities and integration of sustainable systems for energy efficiency and reduced environmental impact. Aimed at owners pursuing LEED certification, Net Zero outcomes, or other sustainability mandates.
• Self-Perform Services Self-performed construction services including demolition, concrete work (foundations, slabs, paving, sidewalks), general carpentry (millwork, cabinetry, doors/frames/hardware, specialty installation, framing, drywall), infection control systems, and millwright work and equipment setting. Provides W. A. Klinger direct control over quality, schedule, and cost on key trades rather than relying entirely on subcontractors.

Quantifiable outcome

• Value engineering netted over $6M in project savings for MOC-Floyd Valley School District elementary school project
• +5 more outcomes

Named customers20 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Four partnerships are on record, tiered parent company, primary, minor and community.

• Klinger Companies, L.L.C.parent companyOthers · 1 January 1919W. A. Klinger, L.L.C. is a subsidiary of Klinger Companies, L.L.C., a parent construction company. John Gleeson leads the parent company, continuing the family legacy that began with William A. Klinger in 1919.
• CMBA ArchitectsprimaryStrategic or Co-development PartnerCMBA Architects is a recurring design partner on W. A. Klinger's projects, including the MOC-Floyd Valley School District elementary school, Goodwill Mission Support Building, and various healthcare projects. They work together as integrated design-build teams.
• North West RECminorOthersNorth West REC (Rural Electric Cooperative) presented a $100,000 rebate check to MOC-Floyd Valley School District for the geothermal system installation at the new elementary school. W. A. Klinger served as construction manager on this project.
• United WaycommunityStrategic or Co-development PartnerStrategic community partnership with United Way as part of W. A. Klinger's commitment to community engagement and giving back since founding in 1919.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Mortenson Construction: Minneapolis, Minnesota-based national general contractor with strong Midwest heritage. Comparable in self-perform capabilities and delivery methods, with overlapping healthcare, education, and industrial verticals. Significantly larger scale and broader geographic footprint.
• Walsh Construction: Chicago, Illinois-based regional general contractor with comparable design-build, construction management, and general contracting services across healthcare, education, and commercial sectors. Similar self-perform heritage though larger scale and primarily Midwest/National focus.
• McCarthy Building Companies: St. Louis, Missouri-based national general contractor with strong healthcare, education, and commercial portfolios. Overlaps with W. A. Klinger in healthcare construction (ICRA expertise) and education delivery, though at significantly larger scale and broader geography.
• JE Dunn Construction: Kansas City, Missouri-headquartered regional/national general contractor with deep Midwest roots and broader geographic reach. Overlaps in healthcare, education, and commercial sectors with comparable design-build and CM delivery; significantly larger scale than W. A. Klinger.

Direct peers

• The Boldt Company: Appleton, Wisconsin-based regional Midwest general contractor with self-perform construction services, design-build delivery, and similar vertical mix across healthcare, education, industrial, and commercial. Comparable scale (~$1B+ revenue) and family-influenced heritage.
• The Weitz Company: Des Moines, Iowa-based general contractor with similar regional Midwest focus and comparable delivery methods (CM, design-build, general contracting). Operates across commercial, industrial, healthcare, and education verticals with comparable self-perform capabilities. Highly comparable given overlapping Iowa geography and similar project scale.
• Story Construction: Ames, Iowa-based commercial general contractor serving education, healthcare, industrial, and commercial clients with design-build and construction management services. Direct competitor in the Iowa market with comparable project scale and vertical mix.
• Elder Corporation: Des Moines, Iowa-based general contractor with similar regional Midwest roots, serving commercial, industrial, healthcare, and education markets. Comparable delivery methods and self-perform capabilities; competes for similar institutional clients in Iowa.
• Dean Snyder Construction: Clear Lake, Iowa-based general contractor serving healthcare, education, commercial, and industrial clients in the Upper Midwest with construction management and design-build delivery. Comparable regional Iowa/Minnesota footprint and project scale.

Regional players

• Rinderknecht Construction: Rochester, Minnesota-based general contractor serving commercial, healthcare, education, and industrial clients in southern Minnesota and northern Iowa. Comparable project scale, vertical mix, and design-build delivery; competes in adjacent geography rather than directly in Siouxland.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles21 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 W. A. Klinger