Company lists · Data refreshed November 2026

Top 20 Structural engineering compliance firms based in Seattle, United States

Name: Structural engineering compliance firms based in Seattle, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 33 companies tracked

RevenueBase identified 33 company matches for structural engineering compliance firms associated with Seattle, United States as of November 2026 and tracks 543 professional contacts across them, including 319 with verified work emails. Across the United States, New York is the largest hub for this category (210 companies); Seattle has 33.

This list covers company matches for structural engineering compliance firms 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 November 6, 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 Nov 6, 2026 How this list was built

33Companies

543Contacts tracked

319Verified emails

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

The 20 largest structural engineering compliance firms based in Seattle, United States

Ranked by team size

Top 20 of 33 company matches for structural engineering compliance firms based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	BHC Consultants	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	51-200	110 contacts →
	Exact match “BHC Consultants, LLC (BHC) is an employee owned and managed consulting, engineering, building code and construction compliance, and planning firm with offices in Seattle and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	ABKJ	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	69 contacts →
	Exact match “Andersen Bjornstad Kane Jacobs (ABKJ) is a premier consulting design firm in the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Lund Opsahl	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	32 contacts →
	Exact match “Lund Opsahl is an award-winning Structural Engineering firm based in Seattle.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Malsam Tsang Structural Engineering	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	27 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 · Nov 6, 2026 · View company records in RevenueBase
5	Quantum Consulting Engineers	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	22 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 · Nov 6, 2026 · View company records in RevenueBase
6	Integrated Design Engineers	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	19 contacts →
	Exact match “Integrated Design Engineers (idE) is a Seattle-based structural engineering consulting firm founded in 2005.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Pacific Engineering Technologies, INC	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	19 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Jacobson Consulting Engineers	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	13 contacts →
	Exact match “Your trusted partners, delivering innovative solutions and expert civil site development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	KE AD Building Consultants Kent Engineering Architectural Diagnostics	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	10 contacts →
	Exact match “KE\|AD (Kent Engineering \| Architectural Diagnostics) has office's in both Seattle and Hawaii.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	RHC Engineering	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	8 contacts →
	Exact match “RHC Engineering is specialized in bridge and structural design.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	V M Structural Design, INC	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	6 contacts →
	Exact match “V+M Structural Design, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Architectural Building Inspection, INC	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	6 contacts →
	Exact match “For premium home purchasers who seek to explore details of properties, ABI is an independent and unbiased home inspection company that lives to ensure your dream house has every…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Harriott Valentine Engineers	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	11-50	5 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 · Nov 6, 2026 · View company records in RevenueBase
14	NKH Engineering	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	4 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 · Nov 6, 2026 · View company records in RevenueBase
15	Seattle Seismic	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	4 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 · Nov 6, 2026 · View company records in RevenueBase
16	Rainier Stormwater Engineering	Exact match	Seattle, United StatesHQ recorded Nov 6, 2026	1-10	4 contacts →
	Exact match “Civil engineering services for residential and commercial clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	VE Services LLC	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “VE provides an innovative and modern solutions to the complex building envelope issues facing architects and business owners.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	FAC Systems INC	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Strong Work Structural Engineering, INC	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match “Structural Engineering Services for Commercial and Residential Buildings, Houses and related structures.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	O.G. Engineering, Pllc	Exact match	Seattle, United StatesHQ recorded Nov 6, 2026	1-10	1 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 · Nov 6, 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 “structural engineering compliance 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 20 of 33 structural engineering compliance firms based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 319 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Structural engineering compliance firms based in Seattle, United States at a glance

As of Nov 6, 2026

58.7%Verified-email coverage

16.5Average contacts per company

11-50Median size (employees)

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 33 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 engineering compliance 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 319 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 November 6, 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.

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

How many structural engineering compliance firms are there based in Seattle, United States?

RevenueBase identified 33 company matches for structural engineering compliance firms associated with Seattle, United States as of November 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?

BHC Consultants 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 engineering compliance firms?

New York leads the United States with 210 company records, followed by Houston (127) and Los Angeles (68). Seattle has 33.

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 319 professional contacts with verified work emails tracked across these 33 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 November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 33 structural engineering compliance firms based in Seattle, United States. Start with a free account, no credit card.

Download this list →

Related lists

Structural engineering compliance firms by geography

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.