Manchac Consulting Group

What Manchac Consulting Group does

Manchac Consulting Group is a privately held, for-profit civil and environmental engineering firm headquartered in Baton Rouge, Louisiana. Founded in 2009, the firm provides construction management and inspection services to public and private sector clients. According to the firmographic data, the company operates with a small headcount of 11-50 employees, suggesting a boutique or specialized consulting model rather than a large-scale engineering platform.

The firm's service focus — construction management and inspection within the civil and environmental engineering domain — typically involves overseeing infrastructure projects, ensuring compliance with design specifications, regulatory requirements, and quality standards. Customers in this segment are generally government agencies (federal, state, and local) and private developers executing infrastructure, environmental, or site-development projects. Revenue is generated through project-based professional services contracts, typically awarded via competitive bidding or qualification-based selection.

The source data does not disclose specific service lines beyond the stated construction management and inspection focus, named customer logos, contract values, geographic footprint beyond Baton Rouge, pricing structure, or technology stack. Detailed data blocks within the input appear to describe another firm (Waggoner Engineering, a 1976-founded firm with 325+ employees and 17 offices) and are not reliably attributable to Manchac Consulting Group. Consequently, this description is limited to what is directly supported by the firmographic profile.

Name

Manchac Consulting Group

Legal name

Waggoner Engineering, Inc.

Website

https://manchacgroup.com

Company type

Private

Founded year

1976

Operating status

Operating

Headcount range

11–50 employees

Short description

Manchac Consulting Group is a privately held civil and environmental engineering firm based in Baton Rouge, Louisiana, founded in 2009, providing construction management and inspection services to public and private sector clients.

Ownership category

akta.pro rank

Product category

Civil Engineering Consulting

NAICS

Environmental Consulting Services (54162), Other Scientific and Technical Consulting Services (541690)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

Civil & Structural Engineering Consulting (BPAHAIAA)

akta.pro secondary industry

Commercial General Contracting (New Build) (IMAFAAAA)

Keywords

• Civil engineering consulting
• Construction management services
• Construction inspection services
• Environmental engineering services
• Infrastructure consulting

Headquarters

HQ city

Baton Rouge

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering Consulting Services: Professional consulting services for civil engineering, infrastructure design, planning, and construction management projects. Revenue is generated through project-based professional service contracts with government agencies and private sector clients.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Manchac Consulting Group is a private civil and environmental engineering firm headquartered in Baton Rouge, Louisiana that provides construction management and inspection services. Founded in 2009 and operating with 11-50 employees, the firm delivers professional engineering services to clients in the public and private sectors, drawing on capabilities that span civil/environmental engineering, construction management, and infrastructure inspection.

Product overview

Waggoner Engineering is a civil engineering and professional consulting firm offering a comprehensive portfolio of infrastructure-related services. The company provides multiple specialized service offerings including Water & Wastewater, Transportation, Coastal Restoration, Hydrology & Hydraulics, GIS & Asset Management, Surveying, Subsurface Utility Engineering, Construction Management, and Broadband Assessment. The firm operates 17 office locations across the Southeast United States with 325+ employees serving 300+ clients. In 2026, the company marks its 50th anniversary.

Differentiator

Problem solved

Functional benefit

Products and services

• Water & Wastewater Engineering services for water treatment and wastewater infrastructure planning and design.
• Watershed Planning Comprehensive watershed planning and management services for environmental protection.
• Coastal Restoration Coastal restoration engineering services to protect and restore coastal environments.
• Hydrology & Hydraulics Hydrology and hydraulics analysis for infrastructure and environmental projects.
• Operations & Maintenance Operations and maintenance services for water and wastewater facilities.
• Transportation Transportation infrastructure planning and engineering services including roads and bridges.
• Civil, Site & Structural Civil engineering and structural design services for site development projects.
• Sewer & Storm Drain Sewer system and storm drain engineering services.
• Construction Management Construction management and oversight services for infrastructure projects.
• Surveying Professional land and construction surveying services.
• Subsurface Utility Engineering (SUE) Subsurface utility engineering and mapping services.
• GIS & Asset Management Geographic Information System and infrastructure asset management services.
• Planning & Development Urban and regional planning and development consulting services.
• Strategic Services Strategic consulting services for infrastructure planning and development.
• Broadband Assessment Broadband network assessment and planning services.

Named customers3 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• TriloncoreStrategic or Co-development PartnerWaggoner Engineering is part of the Trilon Group, a portfolio company of infrastructure engineering firms. This provides strategic backing and enables collaboration across a network of engineering companies.

Scale indicators5 records

Recent moves1 record

Expansion highlights1 record

Emerging players

• TRC Companies: US engineering and consulting firm focused on environmental, energy, and infrastructure markets. Comparable service offerings and government client focus but with different geographic mix.

Others

• Trilon Group: Parent platform of infrastructure engineering consulting firms including Waggoner. Relevant as the strategic backing entity rather than a direct competitor — provides context for potential synergies and capital access.

Direct peers

• HDR Inc. Employee-owned engineering and consulting firm with strong transportation, water, and environmental practices serving US municipalities. Comparable professional services model with similar government client base.
• Waggoner Engineering: Civil and environmental engineering firm providing water/wastewater, transportation, coastal restoration, and construction management services across the Southeast US. Highly comparable business model and service portfolio; the underlying detailed data appears to describe this firm.
• Tetra Tech: Engineering and consulting firm specializing in water, environment, and sustainable infrastructure for government and commercial clients. High overlap in coastal restoration, watershed planning, and water/wastewater services.
• Kimley-Horn: Privately held consulting firm offering planning, engineering, and environmental services with strong Southeast US presence. Closely matches the firm’s project-based professional services model and government client mix.

Broad incumbents

• Burns & McDonnell: Large employee-owned engineering, construction, and consulting firm with extensive water, environmental, and infrastructure practices. Comparable civil/environmental engineering services but operates nationally and globally across many more verticals.
• WSP USA: Global engineering consultancy with substantial US water, transportation, and environmental practices. Competes for the same government infrastructure RFPs at larger deal sizes.
• Arcadis: Global design, engineering, and consulting firm with strong water and resilience practices in the US. Comparable environmental and infrastructure consulting capabilities at broader scale.
• Stantec: Global engineering, architecture, and environmental consulting firm with major water and infrastructure practices. Direct overlap in water/wastewater and coastal services but at significantly larger scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat2 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xtwitter.com/WaggonerEng
• Facebookfacebook.com/profile.php
• LinkedInlinkedin.com/company/manchac-consulting-group-inc-

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 Manchac Consulting Group