Company lists · Data refreshed September 2026

Top 25 Engineering outsourcing firms based in Seattle, United States

Name: Engineering outsourcing 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 28, 2026 56 companies tracked

RevenueBase identified 56 company matches for engineering outsourcing firms associated with Seattle, United States as of September 2026 and tracks 3,171 professional contacts across them, including 2,057 with verified work emails. Across the United States, Houston is the largest hub for this category (123 companies); Seattle has 56.

This list covers company matches for engineering outsourcing 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 28, 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 28, 2026 How this list was built

56Companies

3,171Contacts tracked

2,057Verified emails

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

The 25 largest engineering outsourcing firms based in Seattle, United States

Ranked by team size

Top 25 of 56 company matches for engineering outsourcing firms based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Kpff Consulting Engineers	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,487 contacts →
	Exact match “KPFF is a multi-office, multi-discipline engineering firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Coffman Engineers	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	501-1,000	859 contacts →
	Exact match “The right team is more than an advantage.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Hargis Engineers	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	201-500	188 contacts →
	Exact match “Hargis Engineers is a mechanical, electrical, telecommunications, security, energy consulting engineering, and commissioning firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Harris Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	51-200	178 contacts →
	Exact match “Harris Group is a multidiscipline engineering consulting firm with offices located throughout the United States.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	ABKJ	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	65 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 28, 2026 · View company records in RevenueBase
6	Envorso	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	51-200	51 contacts →
	Exact match “At Envorso, we specialize in guiding businesses through the complexities of modern engineering, software, and digital transformation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Product Creation Studio	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	33 contacts →
	Exact match “We realize product visions that enhance people's lives.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Igor Institute	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	26 contacts →
	Exact match “Igor solves complex product development challenges to drive business growth, delight users, and strengthen brands.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Pensar	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	51-200	19 contacts →
	Exact match “Pensar is a full service product development company offering Industrial Design, Electrical Engineering, Mechanical Engineering and Software Engineering.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Quala INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	18 contacts →
	Exact match “Quala is an Industrial Design, Prototyping, and Engineering company delivering via managed service, consulting, and staffing.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Semaphore Corporation	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “Our business was founded by a team of engineers interested in developing custom, elegant solutions to meet the business needs of our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	GENUI	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “What sets GenUI apart is an end-to-end product focus throughout all our experience design and software development services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Made Cascade, LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	11 contacts →
	Exact match “Made Cascade is a product development, design and manufacturing company located in Seattle's iconic Ballard industrial district.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Ideology	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	8 contacts →
	Exact match “Ideology is a tight-knit team of versatile R&D creatives based in Seattle.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Eworld Solutions	Exact match	Seattle, United StatesHQ recorded Sep 28, 2026	11-50	8 contacts →
	Exact match “Eworld Solutions specializes in providing companies with expert engineers for design and verification.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Diatomic Product Development	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	6 contacts →
	Exact match “Diatomic Product Development is a client-focused product development consultancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Illionix Product Development	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	11-50	3 contacts →
	Exact match “Illionix Product Development is a design company based out of 10015 Lake City Way NE 410, Seattle, Washington, United States.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	V1 Engineering	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “We love to build!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Daisy Product Development	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “We specialize in rapid, scalable mechanical product development.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Concurrent	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “Concurrent is an engineering service team focused on partnering with your product teams from early concept through manufacturing readiness.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	FAC Systems INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	The Global Element, LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “After having developed and shipped many iconic products: Microsoft keyboards, mice and Xbox, Amazon Fire tablets, Nike Fuelband and HereOne and HAL from Doppler Labs Kennard…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Tetravela	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “Tetravela is a turnkey product design studio and engineering services consulting firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Business Learning Incorporated	Exact match	Seattle, WA, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “We are Business Learning Incorporated, a provider of systems and software engineering design, development and management services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Elemental Mechanics, LLC	Exact match	Seattle, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “Elemental Mechanics (EM) provides development and contract engineering support for aerospace, technology, and oil and gas customers.” Recorded in the RevenueBase company graph · Sep 28, 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 “engineering outsourcing 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 25 of 56 engineering outsourcing firms based in Seattle, United States

See the full list, filter by size, metro and specialty, and access 2,057 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Engineering outsourcing firms based in Seattle, United States at a glance

As of Sep 28, 2026

64.9%Verified-email coverage

56.6Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 56 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 “engineering outsourcing 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 2,057 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 28, 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.

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

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

RevenueBase identified 56 company matches for engineering outsourcing 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?

Kpff Consulting 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 engineering outsourcing firms?

Houston leads the United States with 123 company records, followed by New York (89) and Austin (82). Seattle has 56.

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 2,057 professional contacts with verified work emails tracked across these 56 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 56 engineering outsourcing firms based in Seattle, United States. Start with a free account, no credit card.

Download this list →

Related lists

Engineering outsourcing 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.