Company lists · Data refreshed September 2026

Top 21 Structural engineers based in Seattle, United States

RevenueBase identified 26 company matches for structural engineers associated with Seattle, United States as of September 2026 and tracks 1,163 professional contacts across them, including 836 with verified work emails. Across the United States, New York is the largest hub for this category (95 companies); Seattle has 26.

This list covers company matches for structural engineers associated with Seattle, 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 22, 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 22, 2026 How this list was built
26Companies
1,163Contacts tracked
836Verified emails
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The 21 largest structural engineers based in Seattle, United States

Ranked by team size
Top 21 of 26 company matches for structural engineers based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 2026201-500404 contacts →

Exact match

“DCI Engineers has been providing client-focused structural and civil engineering services for over three decades.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 2026201-500311 contacts →

Exact match

“Delve Underground is a leader in heavy civil engineering, serving the transportation, water, wastewater, and energy industries.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 202651-200190 contacts →

Exact match

“We engineer the future of the built environment, one structure, skyline, and community at a time.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 202611-5065 contacts →

Exact match

“Andersen Bjornstad Kane Jacobs (ABKJ) is a premier consulting design firm in the United States.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 202651-20042 contacts →

Exact match

“At Swenson Say Faget, our team of structural engineers is committed to finding the right design solutions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 202611-5027 contacts →

Exact match

“MALSAM TSANG STRUCTURAL ENGINEERING is a group of engineers and drafters known for our honesty, reliability and steadfast work ethic.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 202611-5022 contacts →

Exact match

“Quantum Consulting Engineers offers structural engineering services for new and existing buildings, including new construction, tenant improvements, renovation, and historic…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 202611-5017 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 202611-5016 contacts →

Exact match

“Integrated Design Engineers (idE) is a Seattle-based structural engineering consulting firm founded in 2005.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 202611-5010 contacts →

Exact match

“PSM Engineers is a structural engineering firm with an 85 year history of successful design of new structures, and rehabilitation of existing structures.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 202611-508 contacts →

Exact match

“RHC Engineering is specialized in bridge and structural design.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 20261-108 contacts →

Exact match

“OUR FIRM We're a Seattle based Civil Engineering Firm focused on superior service accompanied with cutting edge analysis and design capabilities.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 202611-507 contacts →

Exact match

“MLA serves a variety of local, national and international projects.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 202611-506 contacts →

Exact match

“Harriott Valentine Engineers is a team of professional engineers committed to providing creative solutions to architectural and construction challenges.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 20261-106 contacts →

Exact match

“V+M Structural Design, Inc.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchSeattle, United StatesHQ recorded Sep 22, 20261-104 contacts →

Exact match

“Civil engineering services for residential and commercial clients.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 20261-104 contacts →

Exact match

“Seattle Seismic is a seismic retrofitting contractor based in Seattle, WA, focused on strengthening commercial, industrial, and multi-family buildings in Washington and Oregon.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 20261-103 contacts →

Exact match

“NKH Engineering provides structural engineering for residential design and a variety of other small project types, including: New home construction Remodels and additions Site…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 20261-101 contacts →

Exact match

“Structural Engineering Services for Commercial and Residential Buildings, Houses and related structures.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchSeattle, United StatesHQ recorded Sep 22, 20261-101 contacts →

Exact match

“We are a small, full-service structural engineering firm providing consulting services to architects, designers, developers, contractors and building owners in the Seattle…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 21 of 26 structural engineers based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 836 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Structural engineers based in Seattle, United States at a glance

As of Sep 22, 2026
71.9%Verified-email coverage
44.7Average contacts per company
11-50Median size (employees)
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
12
11-50
10
51-200
2
201-500
2

Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 26 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 Seattle, United States whose business descriptions match “structural engineers” 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 836 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 22, 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.

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 “structural engineers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many structural engineers are there based in Seattle, United States?

RevenueBase identified 26 company matches for structural engineers associated with Seattle, 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?

DCI Engineers 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 structural engineers?

New York leads the United States with 95 company records, followed by Houston (77) and Los Angeles (48). Seattle has 26.

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 836 professional contacts with verified work emails tracked across these 26 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 22, 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.