Company lists · Data refreshed September 2026

Top 25 Utility infrastructure consulting firms based in Seattle, United States

Name: Utility infrastructure consulting 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 29, 2026 42 companies tracked

RevenueBase identified 42 company matches for utility infrastructure consulting firms associated with Seattle, United States as of September 2026 and tracks 3,209 professional contacts across them, including 2,176 with verified work emails. Across the United States, Houston is the largest hub for this category (180 companies); Seattle has 42.

This list covers company matches for utility infrastructure consulting 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 29, 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 29, 2026 How this list was built

42Companies

3,209Contacts tracked

2,176Verified emails

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The 25 largest utility infrastructure consulting firms based in Seattle, United States

Ranked by team size

Top 25 of 42 company matches for utility infrastructure consulting firms based in Seattle, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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	Parametrix	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	501-1,000	880 contacts →
	Exact match “At Parametrix, we help our clients imagine what's possible.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Coffman Engineers	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	501-1,000	859 contacts →
	Exact match “The right team is more than an advantage.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Hargis Engineers	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
4	Utilicast	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	201-500	181 contacts →
	Exact match “Utilicast is more than just a consulting company.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Harris Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
6	Herrera Environmental Consultants	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
7	Perteet INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	51-200	126 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	BHC Consultants	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	51-200	109 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 · Sep 29, 2026 · View company records in RevenueBase
9	Gray & Osborne	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	51-200	99 contacts →
	Exact match “Municipal Engineering Services” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	R.W. Beck	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	501-1,000	84 contacts →
	Exact match “R.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	KPG	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	51-200	66 contacts →
	Exact match “KPG was initially formed in 1990 by a team of engineers, architects, landscape architects, and urban designers committed to and focused on community-driven public projects.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	ABKJ	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
13	Ecotope, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
14	Primeline Utility Services	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	22 contacts →
	Exact match “PrimeLine Utility Services is a leading provider of construction, maintenance and design solutions for the electric, gas and telecommunication industries.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	LPD Engineering Pllc	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	11-50	19 contacts →
	Exact match “Improving our communities through economical, functional and sustainable civil design solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Watershed Science & Engineering	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	11-50	16 contacts →
	Exact match “At WSE, our focus is on service.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Deeny Construction CO INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	1-10	11 contacts →
	Exact match “Deeny Construction Co Inc is an Utilities company located in 2545 Rainier Ave S, Seattle, Washington, United States.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Green Earth Operations, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
19	Confluence Engineering Group LLC	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	1-10	7 contacts →
	Exact match “Confluence is a world-class drinking water quality firm focused on providing clients exceptional water quality engineering, planning, and applied research services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Meng Analysis	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	11-50	7 contacts →
	Exact match “At MENG Analysis we are passionate about improving quality of life through optimization of the built environment.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Tfwb Engineers INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	11-50	7 contacts →
	Exact match “TFWB Engineers formerly Travis, Fitzmaurice & Associates is an electrical, telecommunications, and security design consulting firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Aneden Consulting INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	1-10	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Ergosync Engineering	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	11-50	6 contacts →
	Exact match “Ergosync is a full-service electrical and systems engineering company offering design services, project management, construction support, and commissioning services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Coterra Engineering, Pllc	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	1-10	6 contacts →
	Exact match “Located in the Phinney Ridge neighborhood of Seattle, Coterra provides civil engineering services to private organizations and public agencies, offering a range of expertise in…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Pacific Stormwater	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	1-10	6 contacts →
	Exact match “Founded in 2014 as a small, woman-owned engineering consulting firm with a specialty in stormwater treatment design, Pacific Stormwater has gone on to serve a variety of clients…” Recorded in the RevenueBase company graph · Sep 29, 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 “utility infrastructure consulting 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 42 utility infrastructure consulting firms based in Seattle, United States

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Utility infrastructure consulting firms based in Seattle, United States at a glance

As of Sep 29, 2026

67.8%Verified-email coverage

76.4Average contacts per company

11-50Median size (employees)

Sep 29, 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 42 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 “utility infrastructure consulting 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 2,176 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 29, 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.

Utility infrastructure consulting 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 “utility infrastructure consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many utility infrastructure consulting firms are there based in Seattle, United States?

RevenueBase identified 42 company matches for utility infrastructure consulting 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?

Parametrix 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 utility infrastructure consulting firms?

Houston leads the United States with 180 company records, followed by New York (103) and Austin (83). Seattle has 42.

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 2,176 professional contacts with verified work emails tracked across these 42 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 29, 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.