Company lists · Data refreshed September 2026

Top 25 Civil engineering consulting firms based in Honolulu, United States

RevenueBase identified 50 civil engineering consulting firms headquartered in Honolulu, United States as of September 2026 and tracks 1,161 professional contacts across them, including 321 with verified work emails. Across the United States, Houston is the largest hub for this category (353 companies); Honolulu has 50.

This list covers civil engineering consulting firms headquartered in Honolulu, 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 23, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 RevenueBase Smart Search rating on every row Refreshed Sep 23, 2026 86% judged on-target in blind review
50Companies
1,161Contacts tracked
321Verified emails
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The 25 largest civil engineering consulting firms based in Honolulu, United States

Ranked by team size
Top 25 of 50 civil engineering consulting firms based in Honolulu, United States, ranked by team size, largest first. Data refreshed Sep 23, 2026. RevenueBase Smart Search rates how each company's information relates to civil engineering consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202651-200171 contacts →

Strong evidence

“SSFM International is a multi-disciplinary consulting practice offering planning, project management, construction management, civil engineering, structural engineering, traffic…”

Source: RevenueBase Database · checked Sep 23, 2026
2Indirect evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202651-200145 contacts →

Indirect evidence

“At Oceanit, a rule-breaking practice of Intellectual Anarchy™ produces disruptive innovation, as we consistently discover the edges of thinking and create breakthroughs in…”

Source: RevenueBase Database · checked Sep 23, 2026
3Partial evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202611-50138 contacts →

Partial evidence

“Belt Collins is a Honolulu-based planning, design, and consulting firm.”

Source: RevenueBase Database · checked Sep 23, 2026
4Partial evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202651-200117 contacts →

Partial evidence

“Established in 1971, G70 is an award-winning design firm of architects, civil engineers planners, interior designers and asset managers.”

Source: RevenueBase Database · checked Sep 23, 2026
5Strong evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202651-20053 contacts →

Strong evidence

“WILSON OKAMOTO CORPORATION (WOC) was established in Honolulu, Hawai‘i and is a minority-owned small business offering planning, civil engineering, and traffic and transportation…”

Source: RevenueBase Database · checked Sep 23, 2026
6Indirect evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202651-20053 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 23, 2026
7Indirect evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202651-20044 contacts →

Indirect evidence

“We Are a Full-Service Environmental Consultancy.”

Source: RevenueBase Database · checked Sep 23, 2026
8Partial evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202611-5043 contacts →

Partial evidence

“At BASE, we’ve built a reputation as a structural engineering firm that dramatically lowers project risk.”

Source: RevenueBase Database · checked Sep 23, 2026
9Indirect evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202611-5038 contacts →

Indirect evidence

“PBR HAWAII & Associates, Inc, based in Hawaiʻi for 50 years, is a multi-disciplinary firm with a staff of 40 dedicated individuals, most of who are accredited by professional…”

Source: RevenueBase Database · checked Sep 23, 2026
10Partial evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202651-20031 contacts →

Partial evidence

“As a Kamaʻaina engineering practice established nearly 90 years ago, ATA is woven into the fabric of our built Hawaiʻi.”

Source: RevenueBase Database · checked Sep 23, 2026
11Indirect evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202611-5025 contacts →

Indirect evidence

“We focus on providing project and construction management and highway design for government agencies.”

Source: RevenueBase Database · checked Sep 23, 2026
12Indirect evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202611-5023 contacts →

Indirect evidence

“KAI Hawaii.”

Source: RevenueBase Database · checked Sep 23, 2026
13Indirect evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202611-5017 contacts →

Indirect evidence

“J.”

Source: RevenueBase Database · checked Sep 23, 2026
14Strong evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202611-5016 contacts →

Strong evidence

“Hawaii Engineering Group, Inc.(HEG) is a consulting civil engineering, structural engineering and land surveying firm located in Honolulu, HI.”

Source: RevenueBase Database · checked Sep 23, 2026
15Partial evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202611-5013 contacts →

Partial evidence

“Founded in 2003, AEPAC is an award-winning full-service architecture and engineering firm based in Honolulu.”

Source: RevenueBase Database · checked Sep 23, 2026
16Indirect evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202611-5013 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 23, 2026
17Partial evidenceHonolulu, HI, United StatesHQ checked Sep 23, 20261-1011 contacts →

Partial evidence

“Environmental Risk Analysis, LLC (ERA) is a leading earth and environmental consulting firm, providing multi-disciplined solutions for any environmental issue.”

Source: RevenueBase Database · checked Sep 23, 2026
18Partial evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202611-5010 contacts →

Partial evidence

“Founded in 1957, Community Planning and Engineering (CP & E) has engineered creative, cost-effective designs for respected clients from both the public and private sector…”

Source: RevenueBase Database · checked Sep 23, 2026
19Partial evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202611-508 contacts →

Partial evidence

“The firm of Nakamura, Oyama and Associates, Inc.(NOA) was established in 1985 to allow the continuance of consulting electrical, communications, mechanical, and fire protection…”

Source: RevenueBase Database · checked Sep 23, 2026
20Indirect evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202611-507 contacts →

Indirect evidence

“EKNA Services, Inc.(EKNA) is a DBE, woman owned, small business, located in Honolulu, Hawaii.”

Source: RevenueBase Database · checked Sep 23, 2026
21Indirect evidenceHonolulu, HI, United StatesHQ checked Sep 23, 20261-107 contacts →

Indirect evidence

“Kraig K.”

Source: RevenueBase Database · checked Sep 23, 2026
22Partial evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202611-506 contacts →

Partial evidence

“Bow Engineering and Development, Inc.”

Source: RevenueBase Database · checked Sep 23, 2026
23Indirect evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202611-506 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 23, 2026
24Strong evidenceHonolulu, HI, United StatesHQ checked Sep 23, 20261-106 contacts →

Strong evidence

“Laulea Engineering, LLC is a locally owned and operated professional civil+environmental engineering boutique firm based on Oahu.”

Source: RevenueBase Database · checked Sep 23, 2026
25Indirect evidenceHonolulu, HI, United StatesHQ checked Sep 23, 202611-505 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 23, 2026

Showing 25 of 50 civil engineering consulting firms based in Honolulu, United States

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

As of Sep 23, 2026
27.6%Verified-email coverage
23.2Average contacts per company
11-50Median size (employees)
Sep 23, 2026Page data refreshed

Companies by employee count

1-10
15
11-50
25
51-200
10

Email recency for this list is measured across the whole United States list rather than for Honolulu, so it is reported there. Company counts and contact totals on this page are exact for Honolulu, over 50 companies.

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 civil engineering consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Honolulu, United States whose own description of what they do matches “civil engineering consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names civil engineering consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among civil engineering consulting firms, and records with no verified work email. Companies headquartered outside Honolulu 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 its RevenueBase Smart Search 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, 321 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 23, 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.

Civil engineering consulting firms by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names civil engineering consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 50 civil engineering consulting firms headquartered in Honolulu, 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?

Ssfm International, headquartered in Honolulu, tops this list with the largest team on record.

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

Houston leads the United States with 353 headquartered companies, followed by New York (331) and Austin (161). Honolulu has 50.

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 321 verified decision-maker contacts tracked across these 50 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 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 Smart Search, 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.