Company lists · Data refreshed September 2026

Top 25 Civil engineering consulting firms based in Baton Rouge, United States

Name: Civil engineering consulting firms based in Baton Rouge, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 48 companies tracked

RevenueBase identified 48 company matches for civil engineering consulting firms associated with Baton Rouge, United States as of September 2026 and tracks 3,553 professional contacts across them, including 591 with verified work emails. Across the United States, Houston is the largest hub for this category (353 companies); Baton Rouge has 48.

This list covers company matches for civil engineering consulting firms associated with Baton Rouge, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 23, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 23, 2026 How this list was built

48Companies

3,553Contacts tracked

591Verified emails

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The 25 largest civil engineering consulting firms based in Baton Rouge, United States

Ranked by team size

Top 25 of 48 company matches for civil engineering consulting firms based in Baton Rouge, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Providence	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	n/a	2,232 contacts →
	Exact match “Providence is an employee-owned engineering and environmental consulting firm.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2	Csrs, A Westwood Company	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	51-200	305 contacts →
	Exact match “CSRS was acquired by Westwood Professional Services on June 30, 2025.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3	Stantec Consulting	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	10001+	299 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4	G.E.C., Inc. GEC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	51-200	134 contacts →
	Exact match “Established in 1986, GEC is a Louisiana-based engineering firm providing complete and proficient services from planning to implementation for private and public clients.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	Wink Engineering, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	201-500	122 contacts →
	Exact match “Wink Engineering, LLC is a professional consulting firm which provides engineering and design to a diversified clientele, specializing in services to the industrial sector.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	Forte And Tablada, INC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	51-200	93 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
7	SJB Group	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	61 contacts →
	Exact match “Founded in 1953, SJB Group has evolved into one of the most respected and diversified firms in its class separating itself from competitors through its personnel, breadth of…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8	Gotech, INC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	51-200	30 contacts →
	Exact match “GOTECH, Inc, a professional engineering and consulting firm, was established in 1981 by Rhaoul A.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	Professional Engineering Consultants Corporation PEC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	23 contacts →
	Exact match “PEC is a multi-disciplined consulting firm with engineers and other specialists experienced in the following areas, civil, sanitary, transportation, mechanical, recreational…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	Sigma Consulting Group, Inc. NOW Waggoner	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	22 contacts →
	Exact match “Sigma Consulting Group, Inc.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	Marrero Couvillon & Associates, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	17 contacts →
	Exact match “Marrero, Couvillon & Associates, LLC provides consulting engineering and construction services in the Mechanical, Electrical, and Plumbing Disciplines; providing services to…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12	SDR Engineering, INC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	17 contacts →
	Exact match “In 2026, the SDR Engineering Team joined WGI.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	Timbalier Resources, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	13 contacts →
	Exact match “At Timbalier Resources, we are your strategic partner in large-scale infrastructure projects.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	Southeast Engineers, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	12 contacts →
	Exact match “With a combined 70 plus years of experience, Southeast Engineers has become a market leader in a wide range of engineering services.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	Ppmg Consultants	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	51-200	12 contacts →
	Exact match “PPMG is a construction project management consultancy.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	Owen & White INC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	11 contacts →
	Exact match “Owen and White, Inc.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	Vectura Consulting Services	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	10 contacts →
	Exact match “VECTURA Consulting Services, LLC was founded by two veteran Louisiana transportation engineers who have unique expertise in providing transportation engineering services from the…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	Sustainable Design Solutions, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	8 contacts →
	Exact match “Sustainable Design Solutions, LLC is a woman-owned Engineering firm specializing in the design and implementation of civil and environmental projects.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	Civil Solutions Consulting Group, INC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	7 contacts →
	Exact match “Civil Solutions Consulting Group is a civil engineering and surveying firm that assists governmental agencies, developers, and architecture firms with the planning, design, and…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	Evans-Graves Engineers, INC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21	Intracoastal Consultants, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	1-10	5 contacts →
	Exact match “Intracoastal Consultants, LLC is a civil engineering consulting firm with a focus on water resources along the Gulf Coast including the planning, design, and administration of…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	Assaf, Simoneaux, Tauzin & Associates, INC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	4 contacts →
	Exact match “AST provides electrical and mechanical engineering consulting to build Baton Rouge.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
23	Adaptive Management And Engineering, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	1-10	4 contacts →
	Exact match “Adaptive Management and Engineering, LLC.(AME) has the expertise in providing geotechnical, instrumentation and construction monitoring services in the Gulf Coast States.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	Wardlaw Lasseigne & Lebouef, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	1-10	4 contacts →
	Exact match “Wardlaw Lasseigne & LeBouef, L.L.C.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	Aptim Services, LLC	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 23, 2026	11-50	2 contacts →
	Exact match “APTIM SERVICES, LLC is a company based out of 4171 ESSEN LN, Baton Rouge, Louisiana, United States.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “civil engineering consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 48 civil engineering consulting firms based in Baton Rouge, United States

See the full list, filter by size, metro and specialty, and access 591 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Civil engineering consulting firms based in Baton Rouge, United States at a glance

As of Sep 23, 2026

16.6%Verified-email coverage

74.0Average contacts per company

11-50Median size (employees)

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

10001+

Email recency for this list is measured across the whole United States list rather than for Baton Rouge, so it is reported there. Company counts and contact totals on this page are exact for Baton Rouge, over 48 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Baton Rouge, United States whose business descriptions match “civil engineering consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 591 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 23, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Civil engineering consulting firms by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “civil engineering consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many civil engineering consulting firms are there based in Baton Rouge, United States?

RevenueBase identified 48 company matches for civil engineering consulting firms associated with Baton Rouge, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Providence tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most civil engineering consulting firms?

Houston leads the United States with 353 company records, followed by New York (331) and Austin (161). Baton Rouge has 48.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 591 professional contacts with verified work emails tracked across these 48 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 23, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.