Company lists · Data refreshed September 2026
Top 25 Taxonomy and classification consulting firms based in the United States
RevenueBase identified 194 company matches for taxonomy and classification consulting firms associated with the United States as of September 2026 and tracks 3,100 professional contacts across them, including 1,571 with verified work emails. Ojai is the largest hub.
This list covers company matches for taxonomy and classification 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 29, 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.
The 25 largest taxonomy and classification consulting firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 479 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 29, 2026 · View company records in RevenueBase | |||||
| 2 | 408 contacts → | ||||
Exact match “WEST provides environmental and statistical consulting services and contract research nationally and internationally to industry, government, and private organizations.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 189 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 104 contacts → | ||||
Exact match “Established in 1983, TechLaw provides environmental and management consulting services to the public sector nationwide.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 78 contacts → | ||||
Exact match “Cramer Fish Sciences (CFS) is an employee owned fisheries research consulting firm with offices in Oregon, California, Idaho and Washington.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 69 contacts → | ||||
Exact match “Since 1970, the highly-trained ecologists and professionals at H.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 65 contacts → | ||||
Exact match “SummitWest is an environmental consulting company that is home to a team of dynamic, solution-oriented thinkers.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 60 contacts → | ||||
Exact match “RESCOM Environmental Corp (RESCOM) is a national environmental consulting firm, providing environmental, biological and cultural resource assessment services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 59 contacts → | ||||
Exact match “Founded in 2011, Sequoia is a California-based, woman-owned, small, and disadvantaged business (WBE | SBE | DBE) that provides environmental consulting services to public agencies…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 56 contacts → | ||||
Exact match “Skeo Solutions is a small business providing environmental consulting services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 55 contacts → | ||||
Exact match “Brookside Laboratories Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 52 contacts → | ||||
Exact match “Althouse & Meade expert wildlife biologists, botanists, rangeland managers, and geospatial solutions experts offer identification and analysis of biological resources, provide…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 51 contacts → | ||||
Exact match “Integrated Environmental Solutions, LLC.(IES) is a Small, Woman-Owned Business Enterprise with corporate headquarters centrally located in the Dallas/Fort Worth Metroplex in…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 47 contacts → | ||||
Exact match “Ecological Associates, Inc.(EAI) is a multi-disciplinary environmental consulting firm headquartered in Jensen Beach, Florida.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 46 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 44 contacts → | ||||
Exact match “BIO-WEST is a full-service environmental planning and consulting firm offering a wide variety of services to private clients and government agencies since 1976.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 42 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 42 contacts → | ||||
Exact match “Pax Environmental, Inc.(Pax) is a veteran-owned environmental consulting firm based in Ojai, California.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 38 contacts → | ||||
Exact match “Environmental Corporation of America (ECA) is an environmental, ecological, geotechnical, and cultural resources consulting firm serving public and private sector clients…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 34 contacts → | ||||
Exact match “Azura Consulting LLC offers a suite of environmental consulting services focused on the conservation and management of natural resources.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 33 contacts → | ||||
Exact match “SoarHere.com, Soar Environmental Consulting is, above all, defined by the strength of our people and our partnerships.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 33 contacts → | ||||
Exact match “Hamer Environmental is a multi-disciplinary environmental consulting firm that turns natural resource concerns into actionable opportunities.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 28 contacts → | ||||
Exact match “Mountainview Biological Consulting provides a highly skilled team of wildlife biologists of various backgrounds and specialties including botany, herpetology, ornithology, project…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 26 contacts → | ||||
Exact match “Adanta is a multi-disciplinary environmental science, planning, and engineering consulting firm that provides quality professional services to government and industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 25 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 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 “taxonomy and classification consulting 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 194 taxonomy and classification consulting firms based in the United States
See the full list, filter by size, metro and specialty, and access 1,571 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Taxonomy and classification consulting firms based in the United States at a glance
As of Sep 29, 2026Companies by employee count
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 194 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 “taxonomy and classification 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 1,571 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 29, 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 “taxonomy and classification consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many taxonomy and classification consulting firms are there based in the United States?
RevenueBase identified 194 company matches for taxonomy and classification 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?
Rincon Consultants tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most taxonomy and classification consulting firms?
Ojai leads with 6 company records, followed by Fort Collins (4) and San Diego (3).
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 1,571 professional contacts with verified work emails tracked across these 194 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 194 taxonomy and classification 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.
More company lists
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- New lists
- Taxonomy and classification consulting firms based in Australia
- Taxonomy and classification consulting firms based in Brazil
- Taxonomy and classification consulting firms based in Canada
- Taxonomy and classification consulting firms based in France
- AI companies based in the United States
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Company intelligence · public preview
Top 25 taxonomy and classification consulting firms based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 194 matching company records for taxonomy and classification consulting firms based in the United States, with 3,100 tracked contacts and 1,571 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 taxonomy and classification consulting firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Rincon Consultantsrinconconsultants.comHQ: Ventura, CA, United StatesReported employees: 501-1,000 | Ventura, CA, United States | 501-1,000 | Exact match | 479 contacts → |
“Rincon Consultants is a multi-disciplinary environmental sciences, planning, and engineering consulting firm that provides quality professional services to government and industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Western Ecosystems Technology, Inc. Westwest-inc.comHQ: Cheyenne, WY, United StatesReported employees: 201-500 | Cheyenne, WY, United States | 201-500 | Exact match | 408 contacts → |
“WEST provides environmental and statistical consulting services and contract research nationally and internationally to industry, government, and private organizations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Normandeau Associates, INCnormandeau.comHQ: Bedford, NH, United StatesReported employees: 201-500 | Bedford, NH, United States | 201-500 | Exact match | 189 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 |  Techlawtechlawinc.comHQ: Chantilly, VA, United StatesReported employees: 201-500 | Chantilly, VA, United States | 201-500 | Exact match | 104 contacts → |
“Established in 1983, TechLaw provides environmental and management consulting services to the public sector nationwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Cramer Fish Sciencesfishsciences.netHQ: Gresham, OR, United StatesReported employees: 11-50 | Gresham, OR, United States | 11-50 | Exact match | 78 contacts → |
“Cramer Fish Sciences (CFS) is an employee owned fisheries research consulting firm with offices in Oregon, California, Idaho and Washington.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  H. T. Harvey & Associatesharveyecology.comHQ: Los Gatos, CA, United StatesReported employees: 51-200 | Los Gatos, CA, United States | 51-200 | Exact match | 69 contacts → |
“Since 1970, the highly-trained ecologists and professionals at H.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Summitwest Environmental, INCsummitwestenv.com HQ: Bend, OR, United StatesReported employees: 51-200 | Bend, OR, United States | 51-200 | Exact match | 65 contacts → |
“SummitWest is an environmental consulting company that is home to a team of dynamic, solution-oriented thinkers.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Rescom Environmental Corprescom.orgHQ: Petoskey, MI, United StatesReported employees: 11-50 | Petoskey, MI, United States | 11-50 | Exact match | 60 contacts → |
“RESCOM Environmental Corp (RESCOM) is a national environmental consulting firm, providing environmental, biological and cultural resource assessment services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Sequoia Ecological Consultingsequoiaeco.com HQ: Walnut Creek, CA, United StatesReported employees: 11-50 | Walnut Creek, CA, United States | 11-50 | Exact match | 59 contacts → |
“Founded in 2011, Sequoia is a California-based, woman-owned, small, and disadvantaged business (WBE | SBE | DBE) that provides environmental consulting services to public agencies…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Skeo Solutionsskeo.comHQ: Charlottesville, VA, United StatesReported employees: 51-200 | Charlottesville, VA, United States | 51-200 | Exact match | 56 contacts → |
“Skeo Solutions is a small business providing environmental consulting services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Brookside Laboratories, INCblinc.comHQ: New Bremen, OH, United StatesReported employees: 11-50 | New Bremen, OH, United States | 11-50 | Exact match | 55 contacts → |
“Brookside Laboratories Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Althouse And Meade, INCalthouseandmeade.comHQ: Paso Robles, CA, United StatesReported employees: 51-200 | Paso Robles, CA, United States | 51-200 | Exact match | 52 contacts → |
“Althouse & Meade expert wildlife biologists, botanists, rangeland managers, and geospatial solutions experts offer identification and analysis of biological resources, provide…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Integrated Environmental Solutions, LLCintenvsol.comHQ: Mckinney, TX, United StatesReported employees: 51-200 | Mckinney, TX, United States | 51-200 | Exact match | 51 contacts → |
“Integrated Environmental Solutions, LLC.(IES) is a Small, Woman-Owned Business Enterprise with corporate headquarters centrally located in the Dallas/Fort Worth Metroplex in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ecological Associates INCecological-associates.comHQ: Jensen Beach, FL, United StatesReported employees: 11-50 | Jensen Beach, FL, United States | 11-50 | Exact match | 47 contacts → |
“Ecological Associates, Inc.(EAI) is a multi-disciplinary environmental consulting firm headquartered in Jensen Beach, Florida.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Copperhead Environmental Consulting, INCcopperheadconsulting.comHQ: Paint Lick, KY, United StatesReported employees: 11-50 | Paint Lick, KY, United States | 11-50 | Exact match | 46 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 |  Bio-West, INCbio-west.comHQ: Logan, UT, United StatesReported employees: 11-50 | Logan, UT, United States | 11-50 | Exact match | 44 contacts → |
“BIO-WEST is a full-service environmental planning and consulting firm offering a wide variety of services to private clients and government agencies since 1976.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Endemic Environmental Services, INCendemicenvironmental.netHQ: Fullerton, CA, United StatesReported employees: 51-200 | Fullerton, CA, United States | 51-200 | Exact match | 42 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | PAX Environmental, INCpaxenviro.com HQ: Ojai, CA, United StatesReported employees: 51-200 | Ojai, CA, United States | 51-200 | Exact match | 42 contacts → |
“Pax Environmental, Inc.(Pax) is a veteran-owned environmental consulting firm based in Ojai, California.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Environmental Corporation Of Americaeca-usa.comHQ: Alpharetta, GA, United StatesReported employees: 11-50 | Alpharetta, GA, United States | 11-50 | Exact match | 38 contacts → |
“Environmental Corporation of America (ECA) is an environmental, ecological, geotechnical, and cultural resources consulting firm serving public and private sector clients…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Azura Consulting LLCazuraco.comHQ: Garland, TX, United StatesReported employees: Not recorded | Garland, TX, United States | Not recorded | Exact match | 34 contacts → |
“Azura Consulting LLC offers a suite of environmental consulting services focused on the conservation and management of natural resources.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Soar Environmental Consulting, INCsoarhere.com HQ: Fresno, CA, United StatesReported employees: 51-200 | Fresno, CA, United States | 51-200 | Exact match | 33 contacts → |
“SoarHere.com, Soar Environmental Consulting is, above all, defined by the strength of our people and our partnerships.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Hamer Environmentalhamerenvironmental.com HQ: Mount Vernon, United StatesReported employees: 11-50 | Mount Vernon, United States | 11-50 | Exact match | 33 contacts → |
“Hamer Environmental is a multi-disciplinary environmental consulting firm that turns natural resource concerns into actionable opportunities.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Mountainview Biological Consulting, LLCmtn-bio.comHQ: Crestline, United StatesReported employees: 11-50 | Crestline, United States | 11-50 | Exact match | 28 contacts → |
“Mountainview Biological Consulting provides a highly skilled team of wildlife biologists of various backgrounds and specialties including botany, herpetology, ornithology, project…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Adantaadanta.comHQ: Napa, CA, United StatesReported employees: 11-50 | Napa, CA, United States | 11-50 | Exact match | 26 contacts → |
“Adanta is a multi-disciplinary environmental science, planning, and engineering consulting firm that provides quality professional services to government and industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Pacific Ecorisk, INCpacificecorisk.com HQ: Fairfield, CA, United StatesReported employees: 11-50 | Fairfield, CA, United States | 11-50 | Exact match | 25 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 194 company matches
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Taxonomy and classification consulting firms: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
194 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 194 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for taxonomy and classification consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many taxonomy and classification consulting firms did RevenueBase find based in the United States?
The saved snapshot records 194 matching company records, 3,100 tracked contacts and 1,571 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Taxonomy and classification consulting firms by geography
Cite this list
RevenueBase Data Team. Top 25 taxonomy and classification consulting firms based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/taxonomy-and-classification-consulting-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Taxonomy and classification consulting firms based in Australia
- Taxonomy and classification consulting firms based in Brazil
- Taxonomy and classification consulting firms based in Canada
- Taxonomy and classification consulting firms based in France
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 taxonomy and classification consulting firms based in the United States
RevenueBase records 194 matching company records for taxonomy and classification consulting firms based in the United States, with 3,100 tracked contacts and 1,571 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 taxonomy and classification consulting firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Rincon Consultantsrinconconsultants.com HQ: Ventura, CA, United StatesReported employees: 501-1,000 | Ventura, CA, United States | 501-1,000 | Exact match | 479 contacts → |
“Rincon Consultants is a multi-disciplinary environmental sciences, planning, and engineering consulting firm that provides quality professional services to government and industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Western Ecosystems Technology, Inc. Westwest-inc.com HQ: Cheyenne, WY, United StatesReported employees: 201-500 | Cheyenne, WY, United States | 201-500 | Exact match | 408 contacts → |
“WEST provides environmental and statistical consulting services and contract research nationally and internationally to industry, government, and private organizations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Normandeau Associates, INCnormandeau.com HQ: Bedford, NH, United StatesReported employees: 201-500 | Bedford, NH, United States | 201-500 | Exact match | 189 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 | Techlawtechlawinc.com HQ: Chantilly, VA, United StatesReported employees: 201-500 | Chantilly, VA, United States | 201-500 | Exact match | 104 contacts → |
“Established in 1983, TechLaw provides environmental and management consulting services to the public sector nationwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cramer Fish Sciencesfishsciences.net HQ: Gresham, OR, United StatesReported employees: 11-50 | Gresham, OR, United States | 11-50 | Exact match | 78 contacts → |
“Cramer Fish Sciences (CFS) is an employee owned fisheries research consulting firm with offices in Oregon, California, Idaho and Washington.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | H. T. Harvey & Associatesharveyecology.com HQ: Los Gatos, CA, United StatesReported employees: 51-200 | Los Gatos, CA, United States | 51-200 | Exact match | 69 contacts → |
“Since 1970, the highly-trained ecologists and professionals at H.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Summitwest Environmental, INCsummitwestenv.com HQ: Bend, OR, United StatesReported employees: 51-200 | Bend, OR, United States | 51-200 | Exact match | 65 contacts → |
“SummitWest is an environmental consulting company that is home to a team of dynamic, solution-oriented thinkers.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Rescom Environmental Corprescom.org HQ: Petoskey, MI, United StatesReported employees: 11-50 | Petoskey, MI, United States | 11-50 | Exact match | 60 contacts → |
“RESCOM Environmental Corp (RESCOM) is a national environmental consulting firm, providing environmental, biological and cultural resource assessment services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Sequoia Ecological Consultingsequoiaeco.com HQ: Walnut Creek, CA, United StatesReported employees: 11-50 | Walnut Creek, CA, United States | 11-50 | Exact match | 59 contacts → |
“Founded in 2011, Sequoia is a California-based, woman-owned, small, and disadvantaged business (WBE | SBE | DBE) that provides environmental consulting services to public agencies…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Skeo Solutionsskeo.com HQ: Charlottesville, VA, United StatesReported employees: 51-200 | Charlottesville, VA, United States | 51-200 | Exact match | 56 contacts → |
“Skeo Solutions is a small business providing environmental consulting services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Brookside Laboratories, INCblinc.com HQ: New Bremen, OH, United StatesReported employees: 11-50 | New Bremen, OH, United States | 11-50 | Exact match | 55 contacts → |
“Brookside Laboratories Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Althouse And Meade, INCalthouseandmeade.com HQ: Paso Robles, CA, United StatesReported employees: 51-200 | Paso Robles, CA, United States | 51-200 | Exact match | 52 contacts → |
“Althouse & Meade expert wildlife biologists, botanists, rangeland managers, and geospatial solutions experts offer identification and analysis of biological resources, provide…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Integrated Environmental Solutions, LLCintenvsol.com HQ: Mckinney, TX, United StatesReported employees: 51-200 | Mckinney, TX, United States | 51-200 | Exact match | 51 contacts → |
“Integrated Environmental Solutions, LLC.(IES) is a Small, Woman-Owned Business Enterprise with corporate headquarters centrally located in the Dallas/Fort Worth Metroplex in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ecological Associates INCecological-associates.com HQ: Jensen Beach, FL, United StatesReported employees: 11-50 | Jensen Beach, FL, United States | 11-50 | Exact match | 47 contacts → |
“Ecological Associates, Inc.(EAI) is a multi-disciplinary environmental consulting firm headquartered in Jensen Beach, Florida.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Copperhead Environmental Consulting, INCcopperheadconsulting.com HQ: Paint Lick, KY, United StatesReported employees: 11-50 | Paint Lick, KY, United States | 11-50 | Exact match | 46 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Bio-West, INCbio-west.com HQ: Logan, UT, United StatesReported employees: 11-50 | Logan, UT, United States | 11-50 | Exact match | 44 contacts → |
“BIO-WEST is a full-service environmental planning and consulting firm offering a wide variety of services to private clients and government agencies since 1976.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Endemic Environmental Services, INCendemicenvironmental.net HQ: Fullerton, CA, United StatesReported employees: 51-200 | Fullerton, CA, United States | 51-200 | Exact match | 42 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | PAX Environmental, INCpaxenviro.com HQ: Ojai, CA, United StatesReported employees: 51-200 | Ojai, CA, United States | 51-200 | Exact match | 42 contacts → |
“Pax Environmental, Inc.(Pax) is a veteran-owned environmental consulting firm based in Ojai, California.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Environmental Corporation Of Americaeca-usa.com HQ: Alpharetta, GA, United StatesReported employees: 11-50 | Alpharetta, GA, United States | 11-50 | Exact match | 38 contacts → |
“Environmental Corporation of America (ECA) is an environmental, ecological, geotechnical, and cultural resources consulting firm serving public and private sector clients…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Azura Consulting LLCazuraco.com HQ: Garland, TX, United StatesReported employees: Not recorded | Garland, TX, United States | Not recorded | Exact match | 34 contacts → |
“Azura Consulting LLC offers a suite of environmental consulting services focused on the conservation and management of natural resources.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Soar Environmental Consulting, INCsoarhere.com HQ: Fresno, CA, United StatesReported employees: 51-200 | Fresno, CA, United States | 51-200 | Exact match | 33 contacts → |
“SoarHere.com, Soar Environmental Consulting is, above all, defined by the strength of our people and our partnerships.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Hamer Environmentalhamerenvironmental.com HQ: Mount Vernon, United StatesReported employees: 11-50 | Mount Vernon, United States | 11-50 | Exact match | 33 contacts → |
“Hamer Environmental is a multi-disciplinary environmental consulting firm that turns natural resource concerns into actionable opportunities.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Mountainview Biological Consulting, LLCmtn-bio.com HQ: Crestline, United StatesReported employees: 11-50 | Crestline, United States | 11-50 | Exact match | 28 contacts → |
“Mountainview Biological Consulting provides a highly skilled team of wildlife biologists of various backgrounds and specialties including botany, herpetology, ornithology, project…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Adantaadanta.com HQ: Napa, CA, United StatesReported employees: 11-50 | Napa, CA, United States | 11-50 | Exact match | 26 contacts → |
“Adanta is a multi-disciplinary environmental science, planning, and engineering consulting firm that provides quality professional services to government and industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Pacific Ecorisk, INCpacificecorisk.com HQ: Fairfield, CA, United StatesReported employees: 11-50 | Fairfield, CA, United States | 11-50 | Exact match | 25 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 194 company matches
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Taxonomy and classification consulting firms: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
194 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 194 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for taxonomy and classification consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many taxonomy and classification consulting firms did RevenueBase find based in the United States?
The saved snapshot records 194 matching company records, 3,100 tracked contacts and 1,571 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Taxonomy and classification consulting firms by geography
Cite this list
RevenueBase Data Team. Top 25 taxonomy and classification consulting firms based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/taxonomy-and-classification-consulting-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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