Company lists · Data refreshed October 2026

Top 25 Landscape engineering firms based in Portland, United States

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

Compiled by the RevenueBase Data Team Data refreshed Oct 17, 2026 80 companies tracked

RevenueBase identified 80 company matches for landscape engineering firms associated with Portland, United States as of October 2026 and tracks 2,495 professional contacts across them, including 1,275 with verified work emails. Across the United States, New York is the largest hub for this category (197 companies); Portland has 80.

This list covers company matches for landscape engineering firms 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 17, 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 17, 2026 How this list was built

80Companies

2,495Contacts tracked

1,275Verified emails

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The 25 largest landscape engineering firms based in Portland, United States

Ranked by team size

Top 25 of 80 company matches for landscape engineering firms based in Portland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 17, 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 17, 2026	501-1,000	1,068 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 17, 2026 · View company records in RevenueBase
2	OTAK	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	201-500	344 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 17, 2026 · View company records in RevenueBase
3	Smrt Architects & Engineers	Exact match	Portland, ME, United StatesHQ recorded Oct 17, 2026	51-200	170 contacts →
	Exact match “SMRT is a full-service architecture, engineering, planning, interiors and energy firm that specializes in the design of sustainable and complex, 24/7 buildings for healthcare…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
4	Allied Engineering	Exact match	Portland, ME, United StatesHQ recorded Oct 17, 2026	11-50	139 contacts →
	Exact match “Allied Engineering (AEI) is now Salas O'Brien.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
5	Harper Houf Peterson Righellis INC	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	51-200	106 contacts →
	Exact match “Founded in Portland, Oregon in 1990, Harper Houf Peterson Righellis Inc.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
6	Walker Macy	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	11-50	64 contacts →
	Exact match “Walker Macy is recognized as a leader in landscape architecture, urban design and planning.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
7	Greenworks	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	11-50	56 contacts →
	Exact match “Since 1987 GreenWorks has provided a broad range of services for clients in the Pacific Northwest and beyond.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
8	Vlmk Engineering Design	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	11-50	52 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 17, 2026 · View company records in RevenueBase
9	SRG Cannondesign	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	51-200	44 contacts →
	Exact match “Founded in 1972, SRG Partnership is a full-service architecture, planning and interiors firm with offices in Portland, Oregon, and Seattle, Washington.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
10	Acorn Engineering, INC	Exact match	Portland, ME, United StatesHQ recorded Oct 17, 2026	11-50	39 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
11	Landscape East & West	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	51-200	35 contacts →
	Exact match “Since 1980, Landscape East & West has been one of the leaders in creating and maintaining unique, award-winning outdoor living spaces in the Portland Metro area.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
12	Cida Architecture Engineering Planning Interiors	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	11-50	30 contacts →
	Exact match “CIDA Inc.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
13	Froelich Engineers	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 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 17, 2026 · View company records in RevenueBase
14	PLACE	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	11-50	25 contacts →
	Exact match “Landscape Architecture, Planning, Art, Urban Design Award-winning and impact-driven global landscape architecture studio, PLACE designs experiences rooted in stewardship…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
15	Mayer Reed, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	11-50	24 contacts →
	Exact match “Based in Portland, Oregon, Mayer/Reed is a nationally recognized, interdisciplinary design firm providing landscape architecture, urban design and visual communications.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
16	Drake's 7 Dees Landscaping	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	11-50	22 contacts →
	Exact match “At Drakes’ 7 Dees we know what an impact our outdoor spaces can have on our lives.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
17	Knot Studio	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	11-50	19 contacts →
	Exact match “Knot Studio is a team of wayfinders, place makers, and change agents committed to shaping the human experience of place and reinforcing the natural systems that sustain all life.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
18	Simons Architects	Exact match	Portland, ME, United StatesHQ recorded Oct 17, 2026	11-50	16 contacts →
	Exact match “Simons Architects was originally established in 1995.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
19	Humber Design Group, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	11-50	11 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 17, 2026 · View company records in RevenueBase
20	Premier Backyard Living	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	11-50	11 contacts →
	Exact match “Paradise Restored Landscaping has been servicing clients in the Portland Oregon area since 1995.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
21	Shapiro Didway	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	11-50	10 contacts →
	Exact match “We were co-founded in 2007 by Principal Emeritus Steve Shapiro and Managing Principal Blair Didway, with long-time employee and Landscape Architect Nate Otani named Principal in…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
22	Vega Civil Engineering, LLC	Exact match	Portland, United StatesHQ recorded Oct 17, 2026	1-10	10 contacts →
	Exact match “Vega Civil Engineering, LLC, is a woman-owned company founded by Martha Williamson and Alex Wesolovski, in Portland, OR, during the Spring of 2019.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
23	Pioneer Design Group, INC	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	11-50	9 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 17, 2026 · View company records in RevenueBase
24	Blessing Landscapes	Exact match	Portland, OR, United StatesHQ recorded Oct 17, 2026	11-50	9 contacts →
	Exact match “Our mission: To design and install a landscape environment that enhances your daily life.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
25	Northwest Watersheds	Exact match	Portland, United StatesHQ recorded Oct 17, 2026	1-10	8 contacts →
	Exact match “Northwest Watersheds LLC provides water resources engineering services to protect communities, restore habitat, and provide climate resiliency.” Recorded in the RevenueBase company graph · Oct 17, 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 “landscape engineering 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 80 landscape engineering firms based in Portland, United States

See the full list, filter by size, metro and specialty, and access 1,275 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Landscape engineering firms based in Portland, United States at a glance

As of Oct 17, 2026

51.1%Verified-email coverage

31.2Average contacts per company

1-10Median size (employees)

Oct 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 80 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 “landscape engineering 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 1,275 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 17, 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.

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

How many landscape engineering firms are there based in Portland, United States?

RevenueBase identified 80 company matches for landscape engineering firms 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 landscape engineering firms?

New York leads the United States with 197 company records, followed by Houston (151) and Austin (147). Portland has 80.

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 1,275 professional contacts with verified work emails tracked across these 80 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 17, 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.