Company lists · Data refreshed September 2026

Top 24 Nature-inspired engineering firms based in Seattle, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 36 companies tracked

RevenueBase identified 36 company matches for nature-inspired engineering firms associated with Seattle, United States as of September 2026 and tracks 1,621 professional contacts across them, including 1,086 with verified work emails. Across the United States, New York is the largest hub for this category (63 companies); Seattle has 36.

This list covers company matches for nature-inspired engineering 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 September 17, 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 17, 2026 How this list was built

36Companies

1,621Contacts tracked

1,086Verified emails

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The 24 largest nature-inspired engineering firms based in Seattle, United States

Ranked by team size

Top 24 of 36 company matches for nature-inspired engineering firms based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Anchor QEA	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	501-1,000	479 contacts →
	Exact match “Headquartered in Seattle, Washington, Anchor QEA is a nationally recognized environmental science and engineering consulting firm specializing in aquatic, shoreline, and water…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	DCI Engineers	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	201-500	404 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 17, 2026 · View company records in RevenueBase
3	Magnusson Klemencic Associates	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	51-200	190 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 17, 2026 · View company records in RevenueBase
4	Herrera Environmental Consultants	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	51-200	176 contacts →
	Exact match “Herrera Environmental Consultants is a leading engineering and scientific consulting firm focused on restoration, water, and sustainable development.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Elliott BAY Design Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	51-200	80 contacts →
	Exact match “Elliott Bay Design Group (EBDG) is a full-service, employee-owned naval architecture and marine engineering firm that supports owners, operators and shipyards.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Hart Crowser, A Division Of Haley & Aldrich	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	51-200	49 contacts →
	Exact match “Hart Crowser’s engineers and scientists have the up-to-date knowledge to support practical designs and recommendations.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Solterra	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	11-50	40 contacts →
	Exact match “Solterra creates some of the most sustainable, livable, and innovative buildings in the Pacific Northwest.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Ecotope, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	11-50	30 contacts →
	Exact match “Ecotope has provided sustainable building design consulting and engineering services in the Pacific Northwest for over 40 years.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	MIG SVR	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	201-500	29 contacts →
	Exact match “SvR Design Company was founded in 1989 with a mission of providing innovation in the built environment.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Delta E Consulting	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “At Delta E, we specialize in a diverse range of consulting services, including Sustainability, Carbon consulting, Energy services, and design expertise in Mechanical, Electrical…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Quantum Consulting Engineers	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 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 · Sep 17, 2026 · View company records in RevenueBase
12	Pacific Engineering Technologies, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Watershed Science & Engineering	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “At WSE, our focus is on service.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Wittman Estes	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	1-10	9 contacts →
	Exact match “We believe buildings and landscapes can be combined into one interconnected whole.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Green Earth Operations, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “Green Earth Operations is an environmental science and engineering firm providing objective analysis and environmentally responsible solutions to meet the needs of our clients.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	MLA Engineering LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	11-50	7 contacts →
	Exact match “MLA serves a variety of local, national and international projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Harriott Valentine Engineers	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	11-50	6 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 17, 2026 · View company records in RevenueBase
18	Piano Nobile	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “PIANO NOBILE is an architecture, interiors, and landscape design studio based in Seattle, Washington.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Einhorn Engineering Pllc	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “Einhorn Engineering, PLLC develops ocean engineering solutions based on classical mechanical engineering, machine design skills, and advanced computer design capabilities.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Mayfly Engineering & Design Pllc	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Transarc Design	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “TransArc_Design is a young firm founded on the principles of collaboration, research, and providing sustainable and thoughtful solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Protogen Software	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “We are a company focused on structural engineering solutions for the building industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Rachel Ravitch Studio	Exact match	Seattle, WA, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Rachel Ravitch Studio is a full service design and consulting practice serving the greater Puget Sound region providing residential and commercial design, permitting, and project…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	O.G. Engineering, Pllc	Exact match	Seattle, United StatesHQ recorded Sep 17, 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 · Sep 17, 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 “nature-inspired engineering 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 24 of 36 nature-inspired engineering firms based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 1,086 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nature-inspired engineering firms based in Seattle, United States at a glance

As of Sep 17, 2026

67.0%Verified-email coverage

45.0Average contacts per company

11-50Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 36 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 “nature-inspired engineering 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 1,086 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 17, 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.

Nature-inspired engineering 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 “nature-inspired engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nature-inspired engineering firms are there based in Seattle, United States?

RevenueBase identified 36 company matches for nature-inspired engineering firms 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?

Anchor QEA 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 nature-inspired engineering firms?

New York leads the United States with 63 company records, followed by Los Angeles (36) and Seattle (36).

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 1,086 professional contacts with verified work emails tracked across these 36 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 17, 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.