Company lists · Data refreshed October 2026

Top 25 Infrastructure design consultancies based in Portland, United States

Name: Infrastructure design consultancies based in Portland, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 75 companies tracked

RevenueBase identified 75 company matches for infrastructure design consultancies associated with Portland, United States as of October 2026 and tracks 2,918 professional contacts across them, including 1,607 with verified work emails. Across the United States, Houston is the largest hub for this category (242 companies); Portland has 75.

This list covers company matches for infrastructure design consultancies associated with Portland, 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 October 1, 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 Oct 1, 2026 How this list was built

75Companies

2,918Contacts tracked

1,607Verified emails

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The 25 largest infrastructure design consultancies based in Portland, United States

Ranked by team size

Top 25 of 75 company matches for infrastructure design consultancies based in Portland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	David Evans And Associates, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	501-1,000	1,031 contacts →
	Exact match “Since its founding in 1976 in Portland, Oregon, DEA has become a recognized leader for progressive and sustainable design and management solutions for complex transportation, land…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Kittelson & Associates, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	201-500	411 contacts →
	Exact match “We solve complex transportation problems to improve people's everyday lives.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	OTAK	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	201-500	341 contacts →
	Exact match “Otak values people, both those in our workplace and those that are impacted by the projects we undertake.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	DKS Associates	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	51-200	192 contacts →
	Exact match “Our work helps clients explore options, make sound decisions, and build a transformative future.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Allied Engineering	Exact match	Portland, ME, United StatesHQ recorded Oct 1, 2026	11-50	135 contacts →
	Exact match “Allied Engineering (AEI) is now Salas O'Brien.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Harper Houf Peterson Righellis INC	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	51-200	101 contacts →
	Exact match “Founded in Portland, Oregon in 1990, Harper Houf Peterson Righellis Inc.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Whpacific, An Nv5 Company	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	1,001-5,000	78 contacts →
	Exact match “WHPacific was acquired by NV5 in July of 2019.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Vlmk Engineering Design	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	11-50	47 contacts →
	Exact match “Founded in 1971 in beautiful Portland, OR, VLMK Engineering + Design provides structural and civil engineering services for a variety of clients in the A/E/C and development…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Norwest Engineering INC	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	51-200	41 contacts →
	Exact match “Norwest Engineering is a multi-disciplined, consulting engineering firm focused on developing long-standing relationships with our clients.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Murraysmith	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	201-500	40 contacts →
	Exact match “In 2021, Murraysmith became Consor Engineers, integrating our decades of experience delivering high-quality water and transportation infrastructure projects for public agency…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Acorn Engineering, INC	Exact match	Portland, ME, United StatesHQ recorded Oct 1, 2026	11-50	34 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Snyder Civil Engineering, LLC	Exact match	Portland, CT, United StatesHQ recorded Oct 1, 2026	11-50	33 contacts →
	Exact match “Snyder Civil is a cohesive team of water system professionals based in central Connecticut.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Cida Architecture Engineering Planning Interiors	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	11-50	30 contacts →
	Exact match “CIDA Inc.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Froelich Engineers	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	11-50	30 contacts →
	Exact match “Since 1983, Froelich Engineers has been delivering on-time, on-budget engineering services to leading owners, contractors, engineers, and developers across the country.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Peterson Structural Engineers, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	11-50	29 contacts →
	Exact match “In 2026, PSE was acquired by Consor, a leading North American engineering and advisory firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Cascadia Partners	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	11-50	20 contacts →
	Exact match “Cascadia Partners are a multi-disciplinary team with decades of experience in planning, design, development finance, sustainability, project management, and community engagement.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Reyes Engineering, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	11-50	20 contacts →
	Exact match “Founded in Reyes Engineering, Inc, is an electrical engineering firm with offices in Portland and Seattle.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Acms Northwest	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	11-50	16 contacts →
	Exact match “ACMS Northwest is a Women-Owned construction management and civil engineering firm based in Portland, Oregon.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	SFA Design Group, LLC	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	11-50	16 contacts →
	Exact match “SFA Design Group, LLC is a structural engineering consulting company based out of Portland, Oregon, United States.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Humber Design Group, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	11-50	12 contacts →
	Exact match “Humber Design Group provides civil engineering design services for projects throughout the Pacific Northwest - large, small, complex, straightforward, urban, suburban, private…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Summit Water Resources	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	1-10	12 contacts →
	Exact match “Summit Water Resources has more than 100 years of combined experience in the development of municipal, agricultural, and industrial groundwater supply, aquifer storage and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Pioneer Design Group, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	11-50	11 contacts →
	Exact match “Pioneer Design Group, Inc, located in Portland, Oregon, provides civil engineering, land use planning, land surveying, landscape architecture and development services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	WDY Structural & Civil Engineers	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	11-50	11 contacts →
	Exact match “Structural and Civil Engineering Solutions” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Stonewood Structural Engineers	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	1-10	10 contacts →
	Exact match “At Stonewood Structural Engineers, we serve as either prime consultant or sub consultant on projects large and small, including commercial, retail, institutional, government and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	System Design Consultants, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 1, 2026	11-50	9 contacts →
	Exact match “System Design Consultants, Inc.(SDC), is celebrating 35 years in the Portland design community, providing mechanical and electrical engineering services for commercial and…” Recorded in the RevenueBase company graph · Oct 1, 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 “infrastructure design consultancies”. 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 75 infrastructure design consultancies based in Portland, United States

See the full list, filter by size, metro and specialty, and access 1,607 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure design consultancies based in Portland, United States at a glance

As of Oct 1, 2026

55.1%Verified-email coverage

38.9Average contacts per company

1-10Median size (employees)

Oct 1, 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 Portland, so it is reported there. Company counts and contact totals on this page are exact for Portland, over 75 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 Portland, United States whose business descriptions match “infrastructure design consultancies” 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 1,607 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 October 1, 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.

Infrastructure design consultancies 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 “infrastructure design consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure design consultancies are there based in Portland, United States?

RevenueBase identified 75 company matches for infrastructure design consultancies associated with Portland, United States as of October 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?

David Evans And Associates, INC 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 infrastructure design consultancies?

Houston leads the United States with 242 company records, followed by New York (233) and Chicago (126). Portland has 75.

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 1,607 professional contacts with verified work emails tracked across these 75 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 October 1, 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.