Company lists · Data refreshed September 2026

Top 25 Port consulting firms based in the United States

Name: Port consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 492 companies tracked

RevenueBase identified 492 port consulting firms headquartered in the United States as of September 2026 and tracks 4,705 professional contacts across them, including 1,838 with verified work emails and 1,705 with mobile numbers. Houston is the largest hub.

This list covers port consulting firms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

492Companies

4,705Contacts tracked

1,838Verified emails

1,705Mobile numbers

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The 25 largest port consulting firms based in the United States

Ranked by team size

Top 25 of 492 port consulting firms based in the United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names port consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	Foss Maritime CompanyIndirect evidence	Seattle, WA, United StatesHQ checked Sep 5, 2026	501-1,000	531
	“Foss Maritime provides comprehensive marine transportation and logistics services.” Source: company website · checked Sep 5, 2026
2	Tico Terminal Investment CorporationPartial evidence	Savannah, SC, United StatesHQ checked Sep 5, 2026	201-500	270
	“TICO is mission driven to be the most respected provider of equipment and services in the port, terminal, distribution, logistics, and intermodal space.” Source: company website · checked Sep 5, 2026
3	HMM AmericaPartial evidence	Irving, TX, United StatesHQ checked Sep 5, 2026	1,001-5,000	171
	“Hyundai Merchant Marine (HMM) is a leading global shipping company operating over 130 state-of-the-art vessels encompassing more than 50 sea routes to over 100 ports of call.” Source: company website · checked Sep 5, 2026
4	Signet Maritime CorporationIndirect evidence	Houston, TX, United StatesHQ checked Sep 5, 2026	201-500	153
	“Signet Maritime Corporation is a diverse international marine transportation and logistics services company.” Source: company website · checked Sep 5, 2026
5	IH Engineers, P.CIndirect evidence	Princeton, NJ, United StatesHQ checked Sep 5, 2026	51-200	127
	Source: company website · checked Sep 5, 2026
6	LEA Elliott, INCPartial evidence	Irving, TX, United StatesHQ checked Sep 5, 2026	51-200	113
	“Lea+Elliott is a transportation consulting firm offering a broad range of services for clients worldwide.” Source: company website · checked Sep 5, 2026
7	Mcquilling Partners, INCIndirect evidence	New York, NY, United StatesHQ checked Sep 5, 2026	51-200	96
	Source: company website · checked Sep 5, 2026
8	Moran Shipping AgenciesIndirect evidence	Providence, RI, United StatesHQ checked Sep 5, 2026	51-200	87
	“Moran Shipping Agencies, Inc is a family owned business that began operations in 1937 and has since grown to become the largest privately owned vessel agency in the United States.” Source: company website · checked Sep 5, 2026
9	Seaport AgenciesIndirect evidence	Miami, FL, United StatesHQ checked Sep 5, 2026	51-200	87
	“Welcome to Seaport Agencies, a privately owned shipping agency company established in 1998.” Source: company website · checked Sep 5, 2026
10	Cummins CederbergIndirect evidence	Coral Gables, FL, United StatesHQ checked Sep 5, 2026	51-200	82
	“Cummins Cederberg is a leader in coastal and marine engineering, delivering solutions for some of the most complex and high-impact waterfront projects.” Source: company website · checked Sep 5, 2026
11	Gahagan And Bryant Associates, INCStrong evidence	Tampa, FL, United StatesHQ checked Sep 5, 2026	51-200	74
	“Gahagan & Bryant Associates, Inc.(GBA) is a unique engineering firm that specializes in providing consulting and engineering services for a variety of projects, including port…” Source: company website · checked Sep 5, 2026
12	Medov LogisticsIndirect evidence	Miami, FL, United StatesHQ checked Sep 5, 2026	11-50	65
	“Medov Logistics is the freight forwarding and logistics division of Medov Shipping Agency, founded in Genoa in 1947 and today one of Italy’s leading shipping agencies.” Source: company website · checked Sep 5, 2026
13	Capital Ship Solutions - CSSIndirect evidence	Miami, FL, United StatesHQ checked Sep 5, 2026	51-200	64
	“Capital Ship Solutions provides expert Technical, Engineering and Management Consultancy for diverse stakeholders in the Shipping and Offshore sectors.” Source: company website · checked Sep 5, 2026
14	AGS AgunsaIndirect evidence	Miami, FL, United StatesHQ checked Sep 5, 2026	201-500	62
	“AGS AGUNSA is an international logistics company with a clear mission: to connect markets, people, and opportunities across the Americas and the world.” Source: company website · checked Sep 5, 2026
15	BergerabamPartial evidence	Federal Way, WA, United StatesHQ checked Sep 5, 2026	201-500	59
	“BergerABAM is a consulting firm offering services in the areas of planning, civil and structural engineering, environmental services, public involvement, construction management…” Source: company website · checked Sep 5, 2026
16	Maritech CommercialIndirect evidence	Kenner, LA, United StatesHQ checked Sep 5, 2026	51-200	52
	“MARiTECH Commercial, LLC and its subsidiary companies and partners provide maritime consultancy services to maximize value and minimize lost time for clients.” Source: company website · checked Sep 5, 2026
17	Appledore Marine Engineering, LLCPartial evidence	Portsmouth, NH, United StatesHQ checked Sep 5, 2026	11-50	47
	“Appledore Marine Engineering (AME) is an industry leader in engineering consulting, specializing in waterfront infrastructure in ocean and inland waterway environments.” Source: company website · checked Sep 5, 2026
18	ZAN AssociatesPartial evidence	Minneapolis, MN, United StatesHQ checked Sep 5, 2026	11-50	46
	“Zan Associates is a transportation planning consulting firm that provides professional and technical support for work on transportation planning, design and construction projects…” Source: company website · checked Sep 5, 2026
19	Lloyd Engineering, INCStrong evidence	Bellaire, TX, United StatesHQ checked Sep 5, 2026	11-50	43
	“Lloyd Engineering, Inc.(LEI) is a Texas-based premier engineering and environmental consulting firm specializing in port and harbor facilities, industrial, structural, and civil…” Source: company website · checked Sep 5, 2026
20	Sabine Surveyors, LTDIndirect evidence	Metairie, LA, United StatesHQ checked Sep 5, 2026	51-200	41
	“Since 1968, Sabine Surveyors has provided the maritime industry with a wide array of services through our highly trained, educated, competent, and dedicated staff of marine…” Source: company website · checked Sep 5, 2026
21	Gunda CorporationPartial evidence	Houston, TX, United StatesHQ checked Sep 5, 2026	51-200	31
	“Gunda Corporation (GUNDA) is a Houston-based consulting firm that provides planning, engineering and management services in all aspects of engineering, including traffic &…” Source: company website · checked Sep 5, 2026
22	Coastal Protection EngineeringIndirect evidence	Boca Raton, FL, United StatesHQ checked Sep 5, 2026	11-50	29
	“Coastal Protection Engineering LLC (CPE) is a multidisciplinary coastal engineering firm founded by well-respected industry leading professionals with strong credentials and…” Source: company website · checked Sep 5, 2026
23	Gcap Services, INCPartial evidence	Costa Mesa, CA, United StatesHQ checked Sep 5, 2026	11-50	29
	“GCAP Services, Inc.(GCAP) is a California-based professional consulting firm that was founded in 1997 and is certified as both an Small Business Enterprise (SBE) and Disadvantaged…” Source: company website · checked Sep 5, 2026
24	BIEHLIndirect evidence	Houston, United StatesHQ checked Sep 5, 2026	51-200	29
	“Founded in 1905, Biehl is a full service agency handling the needs of various maritime interests including ship owners / operators, charterers and cargo interests.” Source: company website · checked Sep 5, 2026
25	Shipwright LLCIndirect evidence	Fort Lauderdale, FL, United StatesHQ checked Sep 5, 2026	11-50	29
	“Shipwright is a global maritime technical consultancy and the world's maritime leader in client-focused solutions.” Source: company website · checked Sep 5, 2026

Showing 25 of 492 port consulting firms based in the United States

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Port consulting firms based in the United States at a glance

As of Sep 5, 2026

1-10Median size (employees)

HoustonLargest hub · 30 HQs

1,705Contacts with mobile numbers

Sep 5, 2026Data refreshed

Companies by employee count

1-10

313

11-50

131

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Verified emails by last verification

0–30

1,705

31–60

125

61–90

90–180

180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among port consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

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: Companies headquartered in the United States whose own description of what they do matches “port consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among port consulting firms, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,838 across the full list. 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 5, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Port consulting firms by metro

Port consulting firms in Houston30

Frequently asked

How many port consulting firms are there based in the United States?

RevenueBase identified 492 port consulting firms headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Foss Maritime Company, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most port consulting firms?

Houston leads with 30 headquartered companies, followed by Miami (20) and Fort Lauderdale (9).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,838 verified decision-maker contacts tracked across these 492 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 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.