Company lists · Data refreshed September 2026

Top 25 Biomass energy consulting firms based in the United States

RevenueBase identified 1,339 company matches for biomass energy consulting firms associated with the United States as of September 2026 and tracks 16,372 professional contacts across them, including 6,543 with verified work emails. Houston is the largest hub.

This list covers company matches for biomass energy consulting firms associated with the 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 27, 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 27, 2026 How this list was built
1,339Companies
16,372Contacts tracked
6,543Verified emails
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The 25 largest biomass energy consulting firms based in the United States

Ranked by team size
Top 25 of 1,339 company matches for biomass energy consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAustin, TX, United StatesHQ recorded Sep 27, 2026n/a1,145 contacts →

Exact match

“OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchAnaheim, CA, United StatesHQ recorded Sep 27, 20261,001-5,000851 contacts →

Exact match

“Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchVentura, CA, United StatesHQ recorded Sep 27, 2026501-1,000479 contacts →

Exact match

“Rincon Consultants is a multi-disciplinary environmental sciences, planning, and engineering consulting firm that provides quality professional services to government and industry.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchIrvine, CA, United StatesHQ recorded Sep 27, 2026201-500383 contacts →

Exact match

“We are Trio – built from Edison Energy, Alfa Energy, and Altenex Energy.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchLong Beach, CA, United StatesHQ recorded Sep 27, 2026201-500375 contacts →

Exact match

“P2S has brought forward-thinking, sustainable engineering solutions to California, the Pacific Northwest, and beyond, for over 30 years.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchPark Ridge, NJ, United StatesHQ recorded Sep 27, 2026201-500336 contacts →

Exact match

“National Utility Service, Inc.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchGainesville, FL, United StatesHQ recorded Sep 27, 2026201-500305 contacts →

Exact match

“Environmental Consulting & Technology, Inc.(ECT) is a multi-disciplinary environmental and sustainability consulting firm delivering strategy, permitting, design, and management…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchPortland, OR, United StatesHQ recorded Sep 27, 2026201-500288 contacts →

Exact match

“At Cascade Energy, we believe in better.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchDuluth, MN, United StatesHQ recorded Sep 27, 2026201-500281 contacts →

Exact match

“We act as an extension of your team, combining deep energy expertise with seamless alignment to your processes to advance projects with confidence.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchMinneapolis, MN, United StatesHQ recorded Sep 27, 2026201-500264 contacts →

Exact match

“Merjent is an environmental, restoration, and engineering consulting firm with a long history serving the energy industry.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchKirkland, WA, United StatesHQ recorded Sep 27, 2026201-500254 contacts →

Exact match

“We provide global renewable energy consulting services, focused on empowering clients to navigate the complexities of the energy transition.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchFairfax, VA, United StatesHQ recorded Sep 27, 2026201-500214 contacts →

Exact match

“PEG presents a comprehensive capacity for the evaluation and understanding of a broad base of energy and environmental sustainability related programs, policies and initiatives.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchBeverly, MA, United StatesHQ recorded Sep 27, 2026201-500210 contacts →

Exact match

“Dalkia Energy Solutions, a subsidiary of the EDF (Électricité de France) Group, is a national leader in energy efficiency and sustainability for commercial, industrial, and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchHalf Moon Bay, CA, United StatesHQ recorded Sep 27, 2026201-500183 contacts →

Exact match

“Resource Innovations now combined with Nexant is a substantially woman-owned, woman-led energy consulting firm dedicated to creating equal access to clean resources through…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchBrooklyn, MD, United StatesHQ recorded Sep 27, 2026201-500182 contacts →

Exact match

“Green World Renewable Energy delivers smart, scalable solar engineering and back-office design solutions for residential, commercial, and utility-scale projects across the U.S.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 202651-200156 contacts →

Exact match

“Energy.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchColumbia, MD, United StatesHQ recorded Sep 27, 202651-200150 contacts →

Exact match

“Energetics is a full-service technical and management consulting company specializing in energy (specifically energy modernization, efficiency, and clean energy) and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchVoorhees, NJ, United StatesHQ recorded Sep 27, 202651-200135 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchBirmingham, AL, United StatesHQ recorded Sep 27, 202651-200134 contacts →

Exact match

“Sain Engineering Associates, Inc.(SEA) is a U.S.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchLa Crosse, WI, United StatesHQ recorded Sep 27, 202651-200121 contacts →

Exact match

“Michaels Energy is a veteran-owned energy consulting firm that exists to help businesses minimize waste and maximize value.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchRedwood City, CA, United StatesHQ recorded Sep 27, 2026201-500113 contacts →

Exact match

“Energy Experts International is a leader in providing management consultation to companies, organizations and end-users on energy issues, both domestically and globally.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchDes Moines, IA, United StatesHQ recorded Sep 27, 202651-200109 contacts →

Exact match

“EcoEngineers, an LRQA company, is a consulting, auditing, and advisory firm with an exclusive focus on the energy transition and decarbonization.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202651-200109 contacts →

Exact match

“Ryder Scott Company, L.P.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchSacramento, CA, United StatesHQ recorded Sep 27, 20261,001-5,000102 contacts →

Exact match

“Qualus is a leading pure-play power services firm and innovator at the forefront of the energy transition and transformation, with differentiated capabilities across grid…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202651-20098 contacts →

Exact match

“Environ Energy is a leader in accelerating global sustainable energy transformation for more than 30 years.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 1,339 biomass energy consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 6,543 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Biomass energy consulting firms based in the United States at a glance

As of Sep 27, 2026
40.0%Verified-email coverage
12.2Average contacts per company
1-10Median size (employees)
5.5%Largest-city concentration · Houston
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
858
11-50
361
51-200
87
201-500
19
501-1,000
4
1,001-5,000
6
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,339 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 the United States whose business descriptions match “biomass energy consulting 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 6,543 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 27, 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.

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 “biomass energy consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many biomass energy consulting firms are there based in the United States?

RevenueBase identified 1,339 company matches for biomass energy consulting firms associated with the 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?

OLA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most biomass energy consulting firms?

Houston leads with 74 company records, followed by New York (51) and Denver (26).

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 6,543 professional contacts with verified work emails tracked across these 1,339 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 27, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,339 biomass energy consulting firms based in the United States. Start with a free account, no credit card.

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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.