Sigma Consulting Group
Waggoner Engineering is a privately held civil engineering and professional consulting firm with 325+ staff across 17 Southeast U.S. offices, delivering water, transportation, coastal, and infrastructure design, construction management, and operations services to state agencies, municipalities, and private developers.
- Company typePrivate
- Founded1976
- HeadquartersBaton Rouge, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Sigma Consulting Group does
Waggoner Engineering (operating under the queried name Sigma Consulting Group) is a privately held civil engineering and professional consulting firm founded around 1976 and headquartered in Baton Rouge, Louisiana. The firm employs 325+ staff across 17 office locations spanning the Southeast United States and serves more than 300 active clients, with primary concentration in state agencies, parishes, municipalities, and local government entities. Its service portfolio spans Water & Wastewater, Watershed Planning, Coastal Restoration, Hydrology & Hydraulics, Operations & Maintenance, Transportation, Civil/Site/Structural, Sewer & Storm Drain, Construction Management, Surveying, Subsurface Utility Engineering, GIS & Asset Management, Planning & Development, Strategic Services, and Broadband Assessment — covering the full lifecycle of public infrastructure from planning through design, construction oversight, and ongoing operations. Named engagements include I-10 bridge work for the Louisiana Department of Transportation and Development, dam safety inundation mapping for the Mississippi Department of Environmental Quality, wastewater treatment plant expansion for the City of Lake Charles, and sanitary sewer overflow reduction for East Baton Rouge Parish. The firm is ranked #330 on the 2026 Engineering News-Record Top 500 Design Firms list and operates under the 'Powered by Trilon' branding as a subsidiary of Trilon, a strategic operating parent in the engineering services space. Revenue is generated through fee-for-service professional consulting engagements structured as project-based contracts, with pricing quoted on a per-project basis by scope and complexity rather than on disclosed rate cards. The go-to-market motion is sales-led and relationship-based, relying on direct client engagement, RFP/qualifications-based selection, and local presence across regional offices. Core technology consists of industry-standard civil engineering and GIS software; no proprietary technology platform, patents, or AI/ML capabilities are disclosed.
Sigma Consulting Group firmographics
Firmographics- Name
- Sigma Consulting Group
- Legal name
- Waggoner Engineering, Inc.
- Website
- https://sigmacg.com
- Company type
- Private
- Founded year
- 1976
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Waggoner Engineering is a privately held civil engineering and professional consulting firm with 325+ staff across 17 Southeast U.S. offices, delivering water, transportation, coastal, and infrastructure design, construction management, and operations services to state agencies, municipalities, and private developers.
- Ownership category
- akta.pro rank
Sigma Consulting Group industry classification
Industry- Product category
- Civil Engineering Services
- NAICS
- Other Scientific and Technical Consulting Services (54169), Other Scientific and Technical Consulting Services (541690), Environmental Consulting Services (54162)
- SIC
- Services-Management Consulting Services (8742)
- akta.pro primary industry
- Civil & Structural Engineering Consulting (BPAHAIAA)
- akta.pro secondary industries
- Water, Wastewater & Stormwater Compliance (BPAHAJAJ), Strategy & Corporate Development Consulting (BPAHACAA)
Keywords
Where Sigma Consulting Group is headquartered
LocationHeadquarters
- HQ city
- Baton Rouge
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
Sigma Consulting Group business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- Professional Engineering Consulting Services: Fee-for-service professional consulting engagements for civil engineering, infrastructure planning, design, and project management services. Revenue generated through project-based contracts with government agencies, municipalities, and private sector clients.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
Sigma Consulting Group product offering
Product offeringCore offering
Sigma Consulting Group provides civil engineering and infrastructure consulting services for water, wastewater, transportation, coastal, and site development projects. The firm delivers planning, design, construction management, surveying, subsurface utility engineering (SUE), GIS/asset management, and strategic consulting services to state agencies, parishes, municipalities, and private sector clients across the Southeast United States through 17 office locations and a team of more than 325 employees.
Product overview
Waggoner Engineering is a civil engineering and professional consulting firm offering a comprehensive portfolio of infrastructure services. The firm provides multiple specialized service offerings including Water & Wastewater, Watershed Planning, Coastal Restoration, Hydrology & Hydraulics, Operations & Maintenance, Transportation, Civil/Site & Structural engineering, Sewer & Storm Drain systems, Construction Management, Surveying, Subsurface Utility Engineering (SUE), GIS & Asset Management, Planning & Development, Strategic Services, and Broadband Assessment. The company operates 17 office locations across the Southeast United States with over 325 employees serving more than 300 clients.
Differentiator
Problem solved
Functional benefit
Products and services
- Water & Wastewater Engineering
- Watershed Planning
- Coastal Restoration
- Hydrology & Hydraulics
Companies that use Sigma Consulting Group
Customer profileNamed customers4 records
Segments2 records
Ideal customer profiles2 records
Sigma Consulting Group technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Sigma Consulting Group partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- TriloncoreTrilon is the parent company of Waggoner Engineering. The firm operates under the 'Powered by Trilon' branding, indicating Waggoner is part of a larger portfolio of engineering firms under Trilon's ownership/operation.
Scale indicators5 records
Recent moves6 records
Expansion highlights6 records
Sigma Consulting Group competitors and assessment
Company assessmentBroad incumbents
- AECOM: Global infrastructure consulting firm with major water, transportation, and environmental practices. Competes with Waggoner on large federal and state infrastructure programs but operates at vastly larger scale.
- TRC Companies: Environmental, infrastructure, and engineering consulting firm serving public and private clients. Comparable to Waggoner on environmental, water, and infrastructure work but with broader geographic and service reach.
- Tetra Tech: Large global consulting and engineering firm with leading water, environmental, and infrastructure practices. Competes with Waggoner on municipal water and coastal/environmental projects but at much larger scale and national scope.
- Stantec: Global multi-disciplinary engineering, architecture, and consulting firm with significant water and infrastructure practices. Competes with Waggoner on municipal and transportation engagements across North America.
Direct peers
- Garver: Mid-sized multi-disciplinary engineering firm with strong water, transportation, and aviation practices serving public-sector clients across the South and Midwest. Comparable scale and similar ENR Top 500 positioning to Waggoner.
- Freese and Nichols: Texas-based civil engineering firm with strong water/wastewater and infrastructure practices serving municipalities. Comparable in size, government client base, and water-focused service mix.
- Hazen and Sawyer: Water/wastewater and environmental engineering firm focused on municipal water utilities. Comparable to Waggoner's Water & Wastewater and Hydrology & Hydraulics service lines.
- Neel-Schaffer: Regional civil engineering firm headquartered in Jackson, MS, with deep Southeast US presence serving state DOTs and municipalities. Closely comparable to Waggoner in service mix (water, transportation, surveying) and government client orientation.
- Brown and Caldwell: Specialty water and environmental engineering consulting firm serving municipalities and utilities. Closely comparable on the water/wastewater practice that is central to Waggoner's portfolio.
Emerging players
- Bowman Consulting Group: Engineering consulting firm with civil, surveying, and infrastructure practices, growing aggressively via acquisition. Comparable surveying/SUE/civil services and similar mid-tier ENR positioning.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks4 records
Key highlights6 records
Customer concentration
Sigma Consulting Group social profiles
Digital presenceSigma Consulting Group financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sigma Consulting Group leadership team
Management profileNumber of profiles
Profiles2 records
Sigma Consulting Group funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sigma Consulting Group M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sigma Consulting Group
What does Sigma Consulting Group do?
Sigma Consulting Group provides civil engineering and infrastructure consulting services for water, wastewater, transportation, coastal, and site development projects. The firm delivers planning, design, construction management, surveying, subsurface utility engineering (SUE), GIS/asset management, and strategic consulting services to state agencies, parishes, municipalities, and private sector clients across the Southeast United States through 17 office locations and a team of more than 325 employees.
Is Sigma Consulting Group a public or private company?
Sigma Consulting Group is a private company. It is classified as corporate owned and is currently operating.
When was Sigma Consulting Group founded?
Sigma Consulting Group was founded in 1976. It employs 11 to 50 people.
Where is Sigma Consulting Group based?
Sigma Consulting Group is headquartered in Baton Rouge, United States, in the North America region.
How does Sigma Consulting Group make money?
One revenue line is on record: professional Engineering Consulting Services.
Who are Sigma Consulting Group's main competitors?
Broad incumbents on record are AECOM, TRC Companies, Tetra Tech and Stantec. Direct peers are Garver, Freese and Nichols, Hazen and Sawyer, Neel-Schaffer and Brown and Caldwell. Bowman Consulting Group is listed as an emerging player.
Does Sigma Consulting Group have an API?
No public API is recorded for Sigma Consulting Group.
What industry is Sigma Consulting Group in?
Sigma Consulting Group's product category is Civil Engineering Services. Its primary akta.pro industry code is BPAHAIAA, Civil & Structural Engineering Consulting, with a secondary code of BPAHAJAJ, Water, Wastewater & Stormwater Compliance. Its NAICS code is 54169 and its SIC code is 8742.