Company lists · Data refreshed October 2026

Top 23 Ecological engineering firms based in San Francisco, United States

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

Compiled by the RevenueBase Data Team Data refreshed Oct 11, 2026 31 companies tracked

RevenueBase identified 31 company matches for ecological engineering firms associated with San Francisco, United States as of October 2026 and tracks 1,625 professional contacts across them, including 966 with verified work emails. Across the United States, Houston is the largest hub for this category (71 companies); San Francisco has 31.

This list covers company matches for ecological engineering firms associated with San Francisco, 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 11, 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 11, 2026 How this list was built

31Companies

1,625Contacts tracked

966Verified emails

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The 23 largest ecological engineering firms based in San Francisco, United States

Ranked by team size

Top 23 of 31 company matches for ecological engineering firms based in San Francisco, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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	Environmental Science Associates	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	501-1,000	730 contacts →
	Exact match “ESA is a 100% employee-owned environmental consulting firm.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2	Glumac	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	201-500	386 contacts →
	Exact match “Glumac, a Tetra Tech Company, is a global leader in building engineering, committed to delivering a low carbon future for all.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3	Sherwood Design Engineers	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	51-200	137 contacts →
	Exact match “Sherwood Design Engineers is a site civil engineering practice committed to the optimal integration of ecology, infrastructure, and design.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4	Ags, INC	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	11-50	54 contacts →
	Exact match “Consulting engineers specialized in geosciences, seismic and engineering design.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5	CB Engineers	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	n/a	53 contacts →
	Exact match “CB Engineers is an award-winning mechanical, electrical, and plumbing (MEP) design firm that has been at the forefront of American engineering design and consultation for more…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6	Panorama Environmental, INC	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	11-50	42 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7	SRT Consultants	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	11-50	35 contacts →
	Exact match “A water resources and environmental engineering consulting firm based in the San Francisco Bay Area, with a second office location in Seattle, WA.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8	Applied Technology & Science A-T-S	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	11-50	24 contacts →
	Exact match “Applied Technology & Science (A-T-S) is an engineering and environmental consulting firm in San Francisco focused on water and energy delivery infrastructure, natural resource…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9	Gayner Engineers	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	51-200	22 contacts →
	Exact match “Gayner Engineers is a mechanical or industrial engineering company based out of 1133 Post St, San Francisco, California, United States.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10	Biomaas INC	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	11-50	21 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11	Lotus Water	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	11-50	18 contacts →
	Exact match “Our staff of registered civil engineers, designers, planners, and LEED® accredited professionals provide water, civil engineering, and integrated design services to private and…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12	JOE Hill Consulting & Engineering Corporation	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	11-50	18 contacts →
	Exact match “Joe Hill Consulting & Engineering Corporation (JHCE) is a purpose-driven multidisciplinary engineering firm that specializes in complex, water-focused infrastructure projects.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13	MK Engineers INC	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	11-50	12 contacts →
	Exact match “MK Engineers Inc.(MKE) is a consulting engineering firm specializing in energy efficient and green sustainable design in the built environment.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14	Coast Ridge Ecology, LLC	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	1-10	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15	Sunset Ecological Solutions	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	1-10	7 contacts →
	Exact match “Sunset Ecological Solutions, LLC (Sunset) provides biological and ecological consulting services to developers, land owners, construction firms, municipalities, attorneys and…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16	Mcgovern Mcdonald Engineers	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	1-10	6 contacts →
	Exact match “Our mission is to to make our water pristine and available, our energy clean and sustainable, and our lifestyles healthy and robust.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17	ADH Environmental	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	11-50	6 contacts →
	Exact match “ADH Environmental (ADH) is an environmental engineering, consulting, and management services corporation, serving the public and private sectors.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18	Public Landscape And Urbanism Studio Plus	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	1-10	5 contacts →
	Exact match “Public Landscape and Urbanism Studio (PLUS) is a collaborative design practice offering landscape design, master planning, and ecological design services to clients worldwide.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19	Design Ecology	Exact match	San Francisco, United StatesHQ recorded Oct 11, 2026	1-10	5 contacts →
	Exact match “Technical Consultants and Design Facilitation with specific expertise in integrated water management, regenerative design services, and the application of performance based…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20	Sapere Environmental, LLC	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	1-10	4 contacts →
	Exact match “Sapere Environmental, LLC is a specialty environmental consulting firm providing biological resource management, construction monitoring and compliance, mitigation monitoring…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21	Ryan Joyce Structural Design	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22	Phase2 Builders	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	1-10	1 contacts →
	Exact match “Making a difference on a local level is what guides our mission at PHASE2 BUILDERS.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23	Envirosurvey, INC	Exact match	San Francisco, CA, United StatesHQ recorded Oct 11, 2026	1-10	1 contacts →
	Exact match “Founded in 1991, Envirosurvey, Inc.” Recorded in the RevenueBase company graph · Oct 11, 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 “ecological 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 23 of 31 ecological engineering firms based in San Francisco, United States

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Ecological engineering firms based in San Francisco, United States at a glance

As of Oct 11, 2026

59.4%Verified-email coverage

52.4Average contacts per company

11-50Median size (employees)

Oct 11, 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 San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 31 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 San Francisco, United States whose business descriptions match “ecological 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 966 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 11, 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.

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

How many ecological engineering firms are there based in San Francisco, United States?

RevenueBase identified 31 company matches for ecological engineering firms associated with San Francisco, 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?

Environmental Science Associates 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 ecological engineering firms?

Houston leads the United States with 71 company records, followed by New York (66) and Austin (54). San Francisco has 31.

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 966 professional contacts with verified work emails tracked across these 31 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 11, 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.