Company lists · Data refreshed September 2026
Top 25 Infrastructure advisory consultants based in Portland, United States
RevenueBase identified 53 infrastructure advisory consultants headquartered in Portland, United States as of September 2026 and tracks 2,561 professional contacts across them, including 1,453 with verified work emails. New York is the largest hub.
This list covers infrastructure advisory consultants headquartered in Portland, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest infrastructure advisory consultants based in Portland, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,031 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 411 contacts → | ||||
Indirect evidence “We solve complex transportation problems to improve people's everyday lives.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 341 contacts → | ||||
Indirect evidence “Otak values people, both those in our workplace and those that are impacted by the projects we undertake.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 192 contacts → | ||||
Indirect evidence “Our work helps clients explore options, make sound decisions, and build a transformative future.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 101 contacts → | ||||
Indirect evidence “Founded in Portland, Oregon in 1990, Harper Houf Peterson Righellis Inc.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 78 contacts → | ||||
Indirect evidence “WHPacific was acquired by NV5 in July of 2019.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 41 contacts → | ||||
Indirect evidence “Norwest Engineering is a multi-disciplined, consulting engineering firm focused on developing long-standing relationships with our clients.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 40 contacts → | ||||
Partial evidence “In 2021, Murraysmith became Consor Engineers, integrating our decades of experience delivering high-quality water and transportation infrastructure projects for public agency…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 33 contacts → | ||||
Indirect evidence “Snyder Civil is a cohesive team of water system professionals based in central Connecticut.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 29 contacts → | ||||
Partial evidence “In 2026, PSE was acquired by Consor, a leading North American engineering and advisory firm.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 23 contacts → | ||||
Indirect evidence “Radha Consulting was founded in 2005 to respond to the growing market need in the public sector for consulting services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 20 contacts → | ||||
Indirect evidence “Cascadia Partners are a multi-disciplinary team with decades of experience in planning, design, development finance, sustainability, project management, and community engagement.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 16 contacts → | ||||
Indirect evidence “Transportation industry consulting services in the areas of process optimization, improvement, operational assessment, regulatory compliance programs and special projects.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 14 contacts → | ||||
Indirect evidence “Jarrett Walker + Associates was founded in 2011 by Jarrett Walker, the author of Human Transit, who has been a consulting expert in public transit planning and policy since 1993.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 12 contacts → | ||||
Indirect evidence “Summit Water Resources has more than 100 years of combined experience in the development of municipal, agricultural, and industrial groundwater supply, aquifer storage and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 11 contacts → | ||||
Indirect evidence “Pioneer Design Group, Inc, located in Portland, Oregon, provides civil engineering, land use planning, land surveying, landscape architecture and development services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 9 contacts → | ||||
Partial evidence “System Design Consultants, Inc.(SDC), is celebrating 35 years in the Portland design community, providing mechanical and electrical engineering services for commercial and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 8 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 7 contacts → | ||||
Indirect evidence “MGP is a business consulting firm dedicated to delivering superior results to our customers.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 6 contacts → | ||||
Indirect evidence “Leeway Engineering Solutions (LW) provides unique solutions for water and wastewater public works service providers.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 6 contacts → | ||||
Indirect evidence “Angelo Planning Group (APG) is a leader in the urban and community planning field.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 6 contacts → | ||||
Indirect evidence “Arris Consulting was formed in 2019 by Brian Butler and Andrew Craig in Portland, OR and in 2021 brought Shane Fitzpatrick on as plumbing principal.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 6 contacts → | ||||
Indirect evidence “Patrick D.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 5 contacts → | ||||
Indirect evidence “The Treat Consulting Group provides technical and business growth/planning consulting services for the Hi-Tech and Industrial market sectors.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 4 contacts → | ||||
Indirect evidence “We foster strong relationships and employ the breadth of our trusted experience to forge safe, diverse, efficient, and smart transportation solutions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: infrastructure advisory consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names infrastructure advisory consultants.
- Partial evidence
- Its own public description names part of infrastructure advisory consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name infrastructure advisory consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 53 infrastructure advisory consultants based in Portland, United States
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Infrastructure advisory consultants based in Portland, United States at a glance
As of Sep 21, 2026Companies by employee count
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 53 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among infrastructure advisory consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Portland, United States whose own description of what they do matches “infrastructure advisory consultants”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names infrastructure advisory consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among infrastructure advisory consultants, and records with no verified work email. Companies headquartered outside Portland are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 1,453 across the full list. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Infrastructure advisory consultants by metro in the United States
- Infrastructure advisory consultants in New York214
- Infrastructure advisory consultants in Houston209
- Infrastructure advisory consultants in Chicago110
- Infrastructure advisory consultants in Washington105
- Infrastructure advisory consultants in Miami99
- Infrastructure advisory consultants in Atlanta91
- Infrastructure advisory consultants in Dallas88
- Infrastructure advisory consultants in Los Angeles85
- Infrastructure advisory consultants in Austin72
- Infrastructure advisory consultants in San Diego70
- Infrastructure advisory consultants in Seattle69
- Infrastructure advisory consultants in San Francisco67
- Infrastructure advisory consultants in Denver60
- Infrastructure advisory consultants in Orlando54
- Infrastructure advisory consultants in Portland53
- Infrastructure advisory consultants in Irvine52
- Infrastructure advisory consultants in Tampa51
- Infrastructure advisory consultants in Raleigh48
- Infrastructure advisory consultants in Charlotte44
- Infrastructure advisory consultants in Phoenix44
- Infrastructure advisory consultants in San Antonio42
- Infrastructure advisory consultants in Boston41
- Infrastructure advisory consultants in Indianapolis41
- Infrastructure advisory consultants in Columbus39
- Infrastructure advisory consultants in Columbia35
- Infrastructure advisory consultants in Jacksonville35
- Infrastructure advisory consultants in Sacramento35
- Infrastructure advisory consultants in Pittsburgh34
- Infrastructure advisory consultants in Las Vegas32
- Infrastructure advisory consultants in Nashville32
- Infrastructure advisory consultants in Minneapolis29
- Infrastructure advisory consultants in Arlington28
- Infrastructure advisory consultants in Baton Rouge27
- Infrastructure advisory consultants in Fort Lauderdale27
- Infrastructure advisory consultants in Oakland27
- Infrastructure advisory consultants in Fort Worth26
- Infrastructure advisory consultants in Philadelphia25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names infrastructure advisory consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many infrastructure advisory consultants are there based in Portland, United States?
RevenueBase identified 53 infrastructure advisory consultants headquartered in Portland, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
David Evans And Associates, INC, headquartered in Portland, tops this list with the largest team on record.
Which city has the most infrastructure advisory consultants?
New York leads with 214 headquartered companies, followed by Houston (209) and Chicago (110).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,453 verified decision-maker contacts tracked across these 53 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 Smart Search, 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.
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