What King Engineering Associates does

King Engineering Associates is a full-service civil engineering firm headquartered in Tampa, Florida. Founded in 1977, the company has operated continuously for over four decades, providing civil infrastructure engineering services to public and private sector clients in the Southeast and adjacent markets. The firm operates with a workforce of 101-250 employees under the leadership of Chief Executive Officer Keith Appenzeller and maintains professional engineering capabilities across site development and infrastructure design work typical of mid-market civil engineering consultancies. Growth has historically been pursued through inorganic expansion, evidenced by the acquisitions of Stouten-Cramer (November 30, 2017) and Criser Troutman Tanner Consulting Engineers (January 3, 2018), both for undisclosed amounts, indicating an active regional roll-up strategy during the late 2010s. The firm operates as a privately held for-profit entity and is not publicly listed or backed by disclosed institutional investors.

Name

King Engineering Associates

Legal name

Ardurra Group, Inc.

Website

https://kingengineering.com

Company type

Private

Founded year

1977

Operating status

Operating

Headcount range

101–250 employees

Short description

King Engineering Associates is a Tampa-based full-service civil engineering firm serving infrastructure clients since 1977. With 101-250 employees, it provides civil infrastructure engineering to public and private sector clients. The firm has pursued growth through acquisitions of complementary consultancies.

Ownership category

akta.pro rank

Product category

Civil Engineering Services

NAICS

Engineering Services (541330), Architectural, Engineering, and Related Services (5413)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

Civil & Structural Engineering Consulting (BPAHAIAA)

akta.pro secondary industry

Instrumentation, Controls & Automation Engineering Consulting (BPAHAIAM)

Keywords

• Civil engineering services
• Infrastructure design
• Engineering consulting
• Municipal engineering
• Land development

Headquarters

HQ city

Tampa

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D

Revenue model

1. Engineering Consulting Services: Professional engineering services including water/wastewater, transportation, environmental, civil, structural, and other infrastructure design and consulting. Revenue is generated through project-based professional services engagements with government and commercial clients.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

King Engineering Associates is a full-service civil engineering firm founded in 1977 and headquartered in Tampa, Florida, with 101-250 employees. The firm provides civil engineering consulting and design services to clients and has expanded its capabilities through strategic acquisitions of complementary engineering firms, including Criser Troutman Tanner Consulting Engineers (2018) and Stouten-Cramer (2017).

Product overview

Ardurra is an infrastructure engineering firm offering a comprehensive portfolio of professional engineering services. The company operates across multiple specialized service areas including Water/Wastewater, Water Resources, Transportation, Public Works, Aviation, Environmental, Civil, Emergency Management & Recovery, Survey, Instrumentation & Controls, Power & Renewables, Grant Funding, Community Relations, Geospatial, Structural, Landscape Architecture, Electrical, and Big Data/AI. These services are delivered through integrated expertise to provide end-to-end infrastructure solutions for clients and communities. The company is ranked #48 in ENR's 2026 Top 500 Design Firms and has been recognized by Newsweek and Fast Company for workplace excellence.

Differentiator

Problem solved

Functional benefit

Products and services

• Civil Engineering Services

Named customers5 records

Segments5 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Partnerships

One partnership is on record.

• Kelly EngineerscoreStrategic or Co-development PartnerArdurra acquired Kelly Engineers as part of their Northeast expansion strategy, bringing additional engineering expertise and regional presence to the Ardurra portfolio of services.

Scale indicators4 records

Recent moves2 records

Expansion highlights2 records

Direct peers

• HDR: Employee-owned engineering, architecture, and consulting firm focused on water, transportation, and building infrastructure. Comparable full-service civil/structural practice serving government agencies.
• Kimley-Horn: Large U.S. planning, engineering, and design consulting firm with strong civil, transportation, water resources, and environmental practices. Comparable full-service civil engineering model serving public-sector clients across the Southeast U.S.
• Burns & McDonnell: 100% employee-owned engineering, architecture, and construction firm with strong water, transportation, aviation, and environmental practices competing for similar municipal and state DOT work.
• Ardurra Group: Full-service infrastructure engineering firm overlapping directly in civil, water/wastewater, transportation, structural, and environmental services. Most directly comparable given shared service portfolio, government-client focus, and documented relationship with King Engineering Associates through the broader platform.

Broad incumbents

• AECOM: Global infrastructure consulting firm with dominant water, transportation, and environmental engineering practices. Serves as a large multinational incumbent competing for major public-sector engagements.
• Tetra Tech: International consulting and engineering firm specializing in water, environment, and infrastructure. Direct competitor for municipal water/wastewater, environmental, and civil infrastructure contracts.
• Stantec: Global engineering, architecture, and environmental services firm with substantial water, transportation, and infrastructure practices. Overlaps heavily with KEA's service lines but operates at much larger scale across multiple geographies.
• WSP USA: Global professional services consultancy with significant U.S. transportation, water, and property & buildings practices. Competes for the same FL DOT, municipal water, and public works contracts as a large incumbent.
• Jacobs Solutions: Global professional services firm with major water, transportation, and environmental engineering practices; competes for federal, state, and municipal infrastructure contracts across the same Southeast corridor as King Engineering Associates.

Regional players

• Jones Edmunds: Florida-based engineering and consulting firm specializing in water/wastewater, environmental, and civil infrastructure for Florida municipal and state clients. Direct Florida regional competitor in overlapping service lines.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@ardurra9307
• Facebookfacebook.com/kingengineeringassociates
• LinkedInlinkedin.com/company/king-engineering-associates
• Instagraminstagram.com/ardurra

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A2 records

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about King Engineering Associates