Company lists · Data refreshed October 2026

Top 25 Dredging engineering consultants worldwide

Name: Dredging engineering consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 11, 2026 11,529 companies tracked

RevenueBase identified 11,529 company matches for dredging engineering consultants worldwide as of October 2026 and tracks 287,316 professional contacts across them, including 83,269 with verified work emails. The United States is the largest market and Tehran the largest hub.

This list covers company matches for dredging engineering consultants worldwide, 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 October 11, 2026. Country and city lists for dredging engineering consultants follow the table.

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 Oct 11, 2026 How this list was built

11,529Companies

287,316Contacts tracked

83,269Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest dredging engineering consultants worldwide

Ranked by team size

Top 25 of 11,529 company matches for dredging engineering consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Oct 11, 2026	10001+	13,725 contacts →
	Exact match “Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2	Terracon	Exact match	Olathe, KS, United StatesHQ recorded Oct 11, 2026	5,001-10,000	6,380 contacts →
	Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3	VAN Oord	Exact match	3063 Nh, NetherlandsHQ recorded Oct 11, 2026	5,001-10,000	4,483 contacts →
	Exact match “Van Oord is a leading international marine contractor focusing on dredging, infrastructure and offshore energy projects.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4	China Harbour Engineering Co. LTD	Exact match	Beijing, ChinaHQ recorded Oct 11, 2026	5,001-10,000	4,026 contacts →
	Exact match “CHEC is focused on basic infrastructure construction, such as Marine Engineering, Dredging and Reclamation, Road and Bridge, Railways, Airports, Complete Plant, and other works.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5	Boskalis	Exact match	Papendrecht, NetherlandsHQ recorded Oct 11, 2026	10001+	3,503 contacts →
	Exact match “Boskalis is a leading global services provider operating in the dredging, maritime infrastructure and maritime services sectors.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6	Golder	Exact match	Vancouver, BC, CanadaHQ recorded Oct 11, 2026	5,001-10,000	3,241 contacts →
	Exact match “Golder was acquired by WSP.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7	CYD Ingeniería	Exact match	Santiago, ChileHQ recorded Oct 11, 2026	1,001-5,000	2,639 contacts →
	Exact match “Nuestro propósito es contribuir al progreso sostenible de Latinoamérica y el mundo, mejorando la calidad de vida de las comunidades y dejando huella en las personas.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8	Multiconsult	Exact match	Oslo, NorwayHQ recorded Oct 11, 2026	1,001-5,000	2,577 contacts →
	Exact match “Multiconsult Norway is one of the leading firms of architectures, consulting engineers and designers in Norway.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9	Geosyntec Consultants	Exact match	Boca Raton, FL, United StatesHQ recorded Oct 11, 2026	1,001-5,000	2,521 contacts →
	Exact match “Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10	Brown And Caldwell	Exact match	Walnut Creek, CA, United StatesHQ recorded Oct 11, 2026	1,001-5,000	2,510 contacts →
	Exact match “Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11	Nmdc Dredging & Marine	Exact match	Musaffah Industrial, United Arab EmiratesHQ recorded Oct 11, 2026	1,001-5,000	2,382 contacts →
	Exact match “NMDC Dredging & Marine was established in 1976 as a dredging division of Abu Dhabi National Oil Company (ADNOC).” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12	ECS Group Of Companies	Exact match	Chantilly, VA, United StatesHQ recorded Oct 11, 2026	1,001-5,000	2,259 contacts →
	Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13	Olsson	Exact match	Lincoln, NE, United StatesHQ recorded Oct 11, 2026	1,001-5,000	2,229 contacts →
	Exact match “Olsson is an engineering firm made up of people who craft expert solutions and designs that improve communities.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14	LJA	Exact match	Houston, TX, United StatesHQ recorded Oct 11, 2026	1,001-5,000	2,148 contacts →
	Exact match “Employee-Owned.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15	Burns & Mcdonnell India	Exact match	Vikhroli West, IndiaHQ recorded Oct 11, 2026	1,001-5,000	1,828 contacts →
	Exact match “At Burns & McDonnell India, we are a diverse team of talented engineers with multidiscipline design and consultancy working across sectors in critical infrastructure: oil and gas…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16	GEI Consultants, INC	Exact match	Woburn, MA, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,639 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17	Milicic SA	Exact match	Rosario, ArgentinaHQ recorded Oct 11, 2026	1,001-5,000	1,337 contacts →
	Exact match “We are an Argentine construction and services company with 50 years of experience in large-scale projects that have supported the development of key productive sectors.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18	Consor	Exact match	United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,329 contacts →
	Exact match “Consor is a leading engineering and consulting firm advancing intelligent, future-ready infrastructure across transportation and water systems.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19	Intercontinental Consultants And Technocrats Pvt. LTD	Exact match	New Delhi, IndiaHQ recorded Oct 11, 2026	1,001-5,000	1,261 contacts →
	Exact match “A multi disciplinary engineering consultancy organisation, headquartered in New Delhi, India providing solutions globally.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20	Volkert, INC	Exact match	Mobile, AL, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,201 contacts →
	Exact match “Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21	Moffatt & Nichol	Exact match	Long Beach, CA, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,165 contacts →
	Exact match “Moffatt & Nichol is a leading U.S-based global infrastructure advisor specializing in the planning and design of facilities that shape and serve our coastlines, harbors and…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22	Barr Engineering CO	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 11, 2026	1,001-5,000	1,108 contacts →
	Exact match “Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23	WSP Chile Y Argentina	Exact match	Vitacura, ChileHQ recorded Oct 11, 2026	10001+	1,057 contacts →
	Exact match “WSP en una empresa líder en servicios profesionales de consultoría en recursos hídricos, ingeniería, medio ambiente y sustentabilidad.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24	Associated Engineering	Exact match	Edmonton, AB, CanadaHQ recorded Oct 11, 2026	501-1,000	1,043 contacts →
	Exact match “At Associated, we are passionate about building communities that are vibrant, healthy and resilient and support economic growth.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25	GAI Consultants, INC	Exact match	Homestead, PA, United StatesHQ recorded Oct 11, 2026	501-1,000	1,009 contacts →
	Exact match “Transforming ideas into reality® since 1958, GAI Consultants is an engineering, planning, and environmental consulting firm that provides customized solutions and local expertise…” Recorded in the RevenueBase company graph · Oct 11, 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 “dredging engineering consultants”. 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 11,529 dredging engineering consultants worldwide

See the full list, filter by size, metro and specialty, and access 83,269 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Dredging engineering consultants worldwide at a glance

As of Oct 11, 2026

29.0%Verified-email coverage

24.9Average contacts per company

11-50Median size (employees)

1.1%Largest-city concentration · Tehran

Oct 11, 2026Page data refreshed

Companies by employee count

1-10

5,333

11-50

3,926

51-200

1,504

201-500

454

501-1,000

143

1,001-5,000

105

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for dredging engineering consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “dredging engineering consultants” 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. 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 83,269 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 October 11, 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.

Dredging engineering consultants by location

60 lists · largest first

Every Dredging engineering consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “dredging engineering consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many dredging engineering consultants are there worldwide?

RevenueBase identified 11,529 company matches for dredging engineering consultants worldwide as of October 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?

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

Which country has the most dredging engineering consultants?

The United States leads with 1,612 companies, followed by Brazil (869) and Australia (453). Every dredging engineering consultants list by country and city is linked on this page.

Which city has the most dredging engineering consultants?

Tehran leads with 125 company records, followed by Sao Paulo (119) and Belo Horizonte (82).

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 83,269 professional contacts with verified work emails tracked across these 11,529 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 October 11, 2026.

Ready to reach these companies? Verified emails and direct dials for all 11,529 dredging engineering consultants worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.