Company lists · Data refreshed September 2026

Top 25 Infrastructure engineering staffing companies based in Portland, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 46 companies tracked

RevenueBase identified 46 company matches for infrastructure engineering staffing companies associated with Portland, United States as of September 2026 and tracks 1,989 professional contacts across them, including 900 with verified work emails. Across the United States, Houston is the largest hub for this category (320 companies); Portland has 46.

This list covers company matches for infrastructure engineering staffing companies 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 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

46Companies

1,989Contacts tracked

900Verified emails

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

The 25 largest infrastructure engineering staffing companies based in Portland, United States

Ranked by team size

Top 25 of 46 company matches for infrastructure engineering staffing companies based in Portland, 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	David Evans And Associates, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
2	Allied Engineering	Exact match	Portland, ME, United StatesHQ recorded Sep 28, 2026	11-50	135 contacts →
	Exact match “Allied Engineering (AEI) is now Salas O'Brien.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Vanderhouwen	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	201-500	133 contacts →
	Exact match “Locally founded, diversity-owned, and nationally certified by WBENC as a women-owned business, VanderHouwen is a premier staffing provider of technology, engineering, finance and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Harper Houf Peterson Righellis INC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	51-200	101 contacts →
	Exact match “Founded in Portland, Oregon in 1990, Harper Houf Peterson Righellis Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Whpacific, An Nv5 Company	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1,001-5,000	78 contacts →
	Exact match “WHPacific was acquired by NV5 in July of 2019.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	ALL Star Labor And Staffing	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	53 contacts →
	Exact match “All Star Labor & Staffing, founded in Portland in 2009, is a boutique staffing agency that offers local companies a level of customer service and customization that larger…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Vlmk Engineering Design	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
8	Specialized Recruiting Group	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	n/a	45 contacts →
	Exact match “Specialized Recruiting Group of Portland, OR is a full-service professional recruiting firm specializing in Information Technology, Engineering, Accounting/Finance…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Murraysmith	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
10	Snyder Civil Engineering, LLC	Exact match	Portland, CT, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
11	Froelich Engineers	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
12	Peterson Structural Engineers, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
13	Let's Work LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	17 contacts →
	Exact match “Let's Work is a leading staffing firm based in Portland, OR, specializing in on-demand and specialized staffing solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	2kg Contractors, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “2KG Contractors is a professional construction company founded in 1989.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Lexicon Solutions	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	51-200	15 contacts →
	Exact match “Lexicon Solutions is a Portland, OR based full-service Information Technology and Engineering staffing firm that specializes in contract, contract-to-hire, direct placement, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Project Quality Solutions	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “We are a Project & Quality Solutions (PQS) Firm dedicated in providing highly skilled professionals that support the companies we represent.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Humber Design Group, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
18	WDY Structural & Civil Engineers	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	11 contacts →
	Exact match “Structural and Civil Engineering Solutions” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	System Design Consultants, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
20	Allstructure Engineering, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	11-50	8 contacts →
	Exact match “Allstructure Engineering, LLC is a full service consulting Structural Engineering firm established in 2005.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Base Design Group, INC	Exact match	Portland, ME, United StatesHQ recorded Sep 28, 2026	11-50	7 contacts →
	Exact match “BASE DESIGN GROUP is a full-service structural engineering consulting firm providing design, analysis and evaluation of buildings and special structures throughout the northeast…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Arris Consulting	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Thornton Tomasetti Becker Structural Engineers, INC	Exact match	Portland, ME, United StatesHQ recorded Sep 28, 2026	11-50	4 contacts →
	Exact match “Becker Structural Engineers was founded in 1994.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Horn Consulting Engineers	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match “Horn Consulting Engineers LLC is a full-service structural engineering firm founded in 2007.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	James G. Pierson INC	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “Formed in 1945 as Pierson & Tidball, the firm originally provided Civil/Structural and Mechanical Engineering.” 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 “infrastructure engineering staffing companies”. 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 46 infrastructure engineering staffing companies based in Portland, United States

See the full list, filter by size, metro and specialty, and access 900 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Infrastructure engineering staffing companies based in Portland, United States at a glance

As of Sep 28, 2026

45.2%Verified-email coverage

43.2Average contacts per company

11-50Median 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 Portland, so it is reported there. Company counts and contact totals on this page are exact for Portland, over 46 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 engineering staffing companies” 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 900 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.

Infrastructure engineering staffing companies 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 engineering staffing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure engineering staffing companies are there based in Portland, United States?

RevenueBase identified 46 company matches for infrastructure engineering staffing companies associated with Portland, 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?

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 engineering staffing companies?

Houston leads the United States with 320 company records, followed by New York (205) and Austin (129). Portland has 46.

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 900 professional contacts with verified work emails tracked across these 46 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 46 infrastructure engineering staffing companies based in Portland, United States. Start with a free account, no credit card.

Download this list →

Related lists

Infrastructure engineering staffing companies 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.