Company lists · Data refreshed November 2026
Top 25 Activity specific environmental auditing services based in the United States
RevenueBase identified 166 company matches for activity specific environmental auditing services associated with the United States as of November 2026 and tracks 1,848 professional contacts across them, including 784 with verified work emails. Houston is the largest hub.
This list covers company matches for activity specific environmental auditing services 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 November 6, 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 activity specific environmental auditing services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 165 contacts → | ||||
Exact match “Since the passage of original environmental legislation nearly four decades ago, both private and public industry have turned to Mostardi Platt for guidance in complying with air…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 98 contacts → | ||||
Exact match “Aspen Environmental Group is an expert interdisciplinary environmental impact analysis firm, specializing in the management of environmental assessment efforts under CEQA, NEPA…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 79 contacts → | ||||
Exact match “As a leader in the environmental compliance services industry, AARC does more than just meeting the needs of clients today.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 76 contacts → | ||||
Exact match “Since 1994, EAGLE has built an excellent reputation by providing third party auditing services that are objective and value-added.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 51 contacts → | ||||
Exact match “ONE offers environmental consulting and industrial services to commercial, industrial, and government clients that are regulated by environmental state and federal regulations or…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 51 contacts → | ||||
Exact match “EcolSciences, Inc, was founded in 1973 in response to the growing need for responsible environmental planning, as mandated by NEPA, The National Environmental Policy Act.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 45 contacts → | ||||
Exact match “Based in Novi, Michigan, with offices throughout the U.S, we support many environmental remediation clients either through consulting or direct services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 44 contacts → | ||||
Exact match “Pax Environmental, Inc.(Pax) is a veteran-owned environmental consulting firm based in Ojai, California.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 44 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 43 contacts → | ||||
Exact match “For more than two decades, GSS has been providing comprehensive environmental and compliance services to a variety of industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 41 contacts → | ||||
Exact match “We are a green environmental testing and consulting firm, dedicated to providing the highest level of customer service available in the industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 34 contacts → | ||||
Exact match “Advantage Environmental Consultants, LLC (AEC) is a nationwide environmental consulting firm with six regional offices located in the following areas: Metro Washington, D.C…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 33 contacts → | ||||
Exact match “Environmental Consulting” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 32 contacts → | ||||
Exact match “H2E seeks to provide high quality environmental engineering and consulting services in the most efficient manner possible.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 27 contacts → | ||||
Exact match “MSE Environmental is an environmental services firm specializing in: Mold Inspection and Testing Asbestos Surveys and Monitoring Sewage/Bacteria Water Intrusion Illicit Drug…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 25 contacts → | ||||
Exact match “Michigan Consulting & Environmental, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 25 contacts → | ||||
Exact match “Frog Environmental is the premier environmental consulting firm servicing California and the Western United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 24 contacts → | ||||
Exact match “At Freestone Environmental Services, we believe in empowering our clients to create a better world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 21 contacts → | ||||
Exact match “We are an environmental consulting firm solving complex environmental concerns in Indiana and Kentucky.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 17 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 16 contacts → | ||||
Exact match “APPLIED ENVIRONMENTAL is a full service environmental consulting firm which assists clients by identifying the environmental characteristics of properties, completing due…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 16 contacts → | ||||
Exact match “CRG Texas is a full service environmental and ecological consulting firm specializing in the areas of environmental due diligence and risk management, regulatory compliance, field…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 15 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 15 contacts → | ||||
Exact match “EnviroPhase is an environmental consulting firm serving clients in commercial and industrial property, development and banking.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 14 contacts → | ||||
Exact match “Welcome to Atlas Environmental: Assisting you in achieving long-term success in land use and environmental practices.” Recorded in the RevenueBase company graph · Nov 6, 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 “activity specific environmental auditing services”. 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 166 activity specific environmental auditing services based in the United States
See the full list, filter by size, metro and specialty, and access 784 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Activity specific environmental auditing services based in the United States at a glance
As of Nov 6, 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 166 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 “activity specific environmental auditing services” 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 784 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 November 6, 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 “activity specific environmental auditing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many activity specific environmental auditing services are there based in the United States?
RevenueBase identified 166 company matches for activity specific environmental auditing services associated with the United States as of November 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?
Mostardi Platt tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most activity specific environmental auditing services?
Houston leads with 6 company records, followed by Dallas (5) and Denver (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 784 professional contacts with verified work emails tracked across these 166 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 166 activity specific environmental auditing services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Activity specific environmental auditing services by geography
- Activity specific environmental auditing services based in Australia
- Activity specific environmental auditing services based in Brazil
- Activity specific environmental auditing services based in Canada
- Activity specific environmental auditing services based in Chile
- Activity specific environmental auditing services based in France
- Activity specific environmental auditing services based in India
- Activity specific environmental auditing services based in Italy
- Activity specific environmental auditing services based in Poland
- Activity specific environmental auditing services based in South Africa
- Activity specific environmental auditing services based in the United Kingdom
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Activity specific environmental auditing services based in Australia
- Activity specific environmental auditing services based in Brazil
- Activity specific environmental auditing services based in Canada
- Activity specific environmental auditing services based in Chile
- Activity specific environmental auditing services based in France
- Activity specific environmental auditing services based in India
Company intelligence · public preview
Top 25 activity specific environmental auditing services 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 166 matching company records for activity specific environmental auditing services based in the United States, with 1,848 tracked contacts and 784 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: November 6, 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 activity specific environmental auditing services 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 |  Mostardi Plattmostardiplatt.comHQ: Elmhurst, IL, United StatesReported employees: 51-200 | Elmhurst, IL, United States | 51-200 | Exact match | 165 contacts → |
“Since the passage of original environmental legislation nearly four decades ago, both private and public industry have turned to Mostardi Platt for guidance in complying with air…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Aspen Environmental Groupaspeneg.comHQ: Agoura Hills, AZ, United StatesReported employees: 51-200 | Agoura Hills, AZ, United States | 51-200 | Exact match | 98 contacts → |
“Aspen Environmental Group is an expert interdisciplinary environmental impact analysis firm, specializing in the management of environmental assessment efforts under CEQA, NEPA…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Aarc Environmentalaarcenv.comHQ: Houston, FL, United StatesReported employees: 51-200 | Houston, FL, United States | 51-200 | Exact match | 79 contacts → |
“As a leader in the environmental compliance services industry, AARC does more than just meeting the needs of clients today.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Eagle Certification Groupeaglecertificationgroup.comHQ: Dayton, OH, United StatesReported employees: 11-50 | Dayton, OH, United States | 11-50 | Exact match | 76 contacts → |
“Since 1994, EAGLE has built an excellent reputation by providing third party auditing services that are objective and value-added.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ONE Environmental Group, LLConeenv.comHQ: Midlothian, NC, United StatesReported employees: 11-50 | Midlothian, NC, United States | 11-50 | Exact match | 51 contacts → |
“ONE offers environmental consulting and industrial services to commercial, industrial, and government clients that are regulated by environmental state and federal regulations or…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ecolsciences, INCecolsciences.comHQ: Rockaway, United StatesReported employees: 11-50 | Rockaway, United States | 11-50 | Exact match | 51 contacts → |
“EcolSciences, Inc, was founded in 1973 in response to the growing need for responsible environmental planning, as mandated by NEPA, The National Environmental Policy Act.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Environmental Resources Group ERGergrp.netHQ: Novi, CO, United StatesReported employees: 51-200 | Novi, CO, United States | 51-200 | Exact match | 45 contacts → |
“Based in Novi, Michigan, with offices throughout the U.S, we support many environmental remediation clients either through consulting or direct services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  PAX Environmental, INCpaxenviro.comHQ: Ojai, CA, United StatesReported employees: 51-200 | Ojai, CA, United States | 51-200 | Exact match | 44 contacts → |
“Pax Environmental, Inc.(Pax) is a veteran-owned environmental consulting firm based in Ojai, California.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Sapphos Environmental, INCsapphosenvironmental.comHQ: Pasadena, CA, United StatesReported employees: 11-50 | Pasadena, CA, United States | 11-50 | Exact match | 44 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  GSS INCgssmidwest.comHQ: Urbandale, IA, United StatesReported employees: 11-50 | Urbandale, IA, United States | 11-50 | Exact match | 43 contacts → |
“For more than two decades, GSS has been providing comprehensive environmental and compliance services to a variety of industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Vert Environmentalvertenviro.comHQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 41 contacts → |
“We are a green environmental testing and consulting firm, dedicated to providing the highest level of customer service available in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Advantage Environmental Consultants, LLCaec-env.comHQ: Jessup, MD, United StatesReported employees: 11-50 | Jessup, MD, United States | 11-50 | Exact match | 34 contacts → |
“Advantage Environmental Consultants, LLC (AEC) is a nationwide environmental consulting firm with six regional offices located in the following areas: Metro Washington, D.C…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Stantech Environmental Servicesstantechservices.comHQ: Oklahoma City, United StatesReported employees: 11-50 | Oklahoma City, United States | 11-50 | Exact match | 33 contacts → |
“Environmental Consulting” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  H2e, Incorporatedh2eincorporated.comHQ: Spearfish, TX, United StatesReported employees: 51-200 | Spearfish, TX, United States | 51-200 | Exact match | 32 contacts → |
“H2E seeks to provide high quality environmental engineering and consulting services in the most efficient manner possible.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  MSE Environmentalmsenational.comHQ: Las Vegas, NV, United StatesReported employees: 11-50 | Las Vegas, NV, United States | 11-50 | Exact match | 27 contacts → |
“MSE Environmental is an environmental services firm specializing in: Mold Inspection and Testing Asbestos Surveys and Monitoring Sewage/Bacteria Water Intrusion Illicit Drug…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Michigan Consulting & Environmentalmichenv.comHQ: Mt Pleasant, MI, United StatesReported employees: 11-50 | Mt Pleasant, MI, United States | 11-50 | Exact match | 25 contacts → |
“Michigan Consulting & Environmental, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Frog Environmentalfrogenv.comHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 25 contacts → |
“Frog Environmental is the premier environmental consulting firm servicing California and the Western United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Freestone Environmentalgofreestone.comHQ: Richland, WA, United StatesReported employees: 11-50 | Richland, WA, United States | 11-50 | Exact match | 24 contacts → |
“At Freestone Environmental Services, we believe in empowering our clients to create a better world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Evansville, IN, United StatesReported employees: 11-50 | Evansville, IN, United States | 11-50 | Exact match | 21 contacts → |
“We are an environmental consulting firm solving complex environmental concerns in Indiana and Kentucky.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Envirosystems Management, INCesmaz.comHQ: Flagstaff, AZ, United StatesReported employees: 11-50 | Flagstaff, AZ, United States | 11-50 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Applied Environmentalappliedenv.comHQ: Ann Arbor, MI, United StatesReported employees: 11-50 | Ann Arbor, MI, United States | 11-50 | Exact match | 16 contacts → |
“APPLIED ENVIRONMENTAL is a full service environmental consulting firm which assists clients by identifying the environmental characteristics of properties, completing due…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  CRG Texas Environmental Services, INCcrgtexas.comHQ: Rosenberg, TX, United StatesReported employees: 11-50 | Rosenberg, TX, United States | 11-50 | Exact match | 16 contacts → |
“CRG Texas is a full service environmental and ecological consulting firm specializing in the areas of environmental due diligence and risk management, regulatory compliance, field…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Enersolv Corporationenersolv.comHQ: Decatur, AL, United StatesReported employees: 11-50 | Decatur, AL, United States | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Envirophaseenvirophase.comHQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 15 contacts → |
“EnviroPhase is an environmental consulting firm serving clients in commercial and industrial property, development and banking.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Atlas Environmental, INCatlasenvi.comHQ: Charlotte, NC, United StatesReported employees: 1-10 | Charlotte, NC, United States | 1-10 | Exact match | 14 contacts → |
“Welcome to Atlas Environmental: Assisting you in achieving long-term success in land use and environmental practices.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 166 company matches
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Activity specific environmental auditing services: dataset insights
November 6, 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
165 records in the displayed employee bands.
1 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 166 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: November 6, 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 activity specific environmental auditing services?
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 activity specific environmental auditing services did RevenueBase find based in the United States?
The saved snapshot records 166 matching company records, 1,848 tracked contacts and 784 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: November 6, 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
Activity specific environmental auditing services by geography
- Activity specific environmental auditing services based in Australia
- Activity specific environmental auditing services based in Brazil
- Activity specific environmental auditing services based in Canada
- Activity specific environmental auditing services based in Chile
- Activity specific environmental auditing services based in France
- Activity specific environmental auditing services based in India
- Activity specific environmental auditing services based in Italy
- Activity specific environmental auditing services based in Poland
- Activity specific environmental auditing services based in South Africa
- Activity specific environmental auditing services based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 activity specific environmental auditing services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/activity-specific-environmental-auditing-services/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
- Activity specific environmental auditing services based in Australia
- Activity specific environmental auditing services based in Brazil
- Activity specific environmental auditing services based in Canada
- Activity specific environmental auditing services based in Chile
- Activity specific environmental auditing services based in France
- Activity specific environmental auditing services based in India
Company intelligence · public preview
Top 25 activity specific environmental auditing services based in the United States
RevenueBase records 166 matching company records for activity specific environmental auditing services based in the United States, with 1,848 tracked contacts and 784 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: November 6, 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 activity specific environmental auditing services 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 | Mostardi Plattmostardiplatt.com HQ: Elmhurst, IL, United StatesReported employees: 51-200 | Elmhurst, IL, United States | 51-200 | Exact match | 165 contacts → |
“Since the passage of original environmental legislation nearly four decades ago, both private and public industry have turned to Mostardi Platt for guidance in complying with air…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Aspen Environmental Groupaspeneg.com HQ: Agoura Hills, AZ, United StatesReported employees: 51-200 | Agoura Hills, AZ, United States | 51-200 | Exact match | 98 contacts → |
“Aspen Environmental Group is an expert interdisciplinary environmental impact analysis firm, specializing in the management of environmental assessment efforts under CEQA, NEPA…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Aarc Environmentalaarcenv.com HQ: Houston, FL, United StatesReported employees: 51-200 | Houston, FL, United States | 51-200 | Exact match | 79 contacts → |
“As a leader in the environmental compliance services industry, AARC does more than just meeting the needs of clients today.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Eagle Certification Groupeaglecertificationgroup.com HQ: Dayton, OH, United StatesReported employees: 11-50 | Dayton, OH, United States | 11-50 | Exact match | 76 contacts → |
“Since 1994, EAGLE has built an excellent reputation by providing third party auditing services that are objective and value-added.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ONE Environmental Group, LLConeenv.com HQ: Midlothian, NC, United StatesReported employees: 11-50 | Midlothian, NC, United States | 11-50 | Exact match | 51 contacts → |
“ONE offers environmental consulting and industrial services to commercial, industrial, and government clients that are regulated by environmental state and federal regulations or…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ecolsciences, INCecolsciences.com HQ: Rockaway, United StatesReported employees: 11-50 | Rockaway, United States | 11-50 | Exact match | 51 contacts → |
“EcolSciences, Inc, was founded in 1973 in response to the growing need for responsible environmental planning, as mandated by NEPA, The National Environmental Policy Act.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Environmental Resources Group ERGergrp.net HQ: Novi, CO, United StatesReported employees: 51-200 | Novi, CO, United States | 51-200 | Exact match | 45 contacts → |
“Based in Novi, Michigan, with offices throughout the U.S, we support many environmental remediation clients either through consulting or direct services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | PAX Environmental, INCpaxenviro.com HQ: Ojai, CA, United StatesReported employees: 51-200 | Ojai, CA, United States | 51-200 | Exact match | 44 contacts → |
“Pax Environmental, Inc.(Pax) is a veteran-owned environmental consulting firm based in Ojai, California.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Sapphos Environmental, INCsapphosenvironmental.com HQ: Pasadena, CA, United StatesReported employees: 11-50 | Pasadena, CA, United States | 11-50 | Exact match | 44 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | GSS INCgssmidwest.com HQ: Urbandale, IA, United StatesReported employees: 11-50 | Urbandale, IA, United States | 11-50 | Exact match | 43 contacts → |
“For more than two decades, GSS has been providing comprehensive environmental and compliance services to a variety of industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Vert Environmentalvertenviro.com HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 41 contacts → |
“We are a green environmental testing and consulting firm, dedicated to providing the highest level of customer service available in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Advantage Environmental Consultants, LLCaec-env.com HQ: Jessup, MD, United StatesReported employees: 11-50 | Jessup, MD, United States | 11-50 | Exact match | 34 contacts → |
“Advantage Environmental Consultants, LLC (AEC) is a nationwide environmental consulting firm with six regional offices located in the following areas: Metro Washington, D.C…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Stantech Environmental Servicesstantechservices.com HQ: Oklahoma City, United StatesReported employees: 11-50 | Oklahoma City, United States | 11-50 | Exact match | 33 contacts → |
“Environmental Consulting” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | H2e, Incorporatedh2eincorporated.com HQ: Spearfish, TX, United StatesReported employees: 51-200 | Spearfish, TX, United States | 51-200 | Exact match | 32 contacts → |
“H2E seeks to provide high quality environmental engineering and consulting services in the most efficient manner possible.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | MSE Environmentalmsenational.com HQ: Las Vegas, NV, United StatesReported employees: 11-50 | Las Vegas, NV, United States | 11-50 | Exact match | 27 contacts → |
“MSE Environmental is an environmental services firm specializing in: Mold Inspection and Testing Asbestos Surveys and Monitoring Sewage/Bacteria Water Intrusion Illicit Drug…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Michigan Consulting & Environmentalmichenv.com HQ: Mt Pleasant, MI, United StatesReported employees: 11-50 | Mt Pleasant, MI, United States | 11-50 | Exact match | 25 contacts → |
“Michigan Consulting & Environmental, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Frog Environmentalfrogenv.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 25 contacts → |
“Frog Environmental is the premier environmental consulting firm servicing California and the Western United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Freestone Environmentalgofreestone.com HQ: Richland, WA, United StatesReported employees: 11-50 | Richland, WA, United States | 11-50 | Exact match | 24 contacts → |
“At Freestone Environmental Services, we believe in empowering our clients to create a better world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Evansville, IN, United StatesReported employees: 11-50 | Evansville, IN, United States | 11-50 | Exact match | 21 contacts → |
“We are an environmental consulting firm solving complex environmental concerns in Indiana and Kentucky.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Envirosystems Management, INCesmaz.com HQ: Flagstaff, AZ, United StatesReported employees: 11-50 | Flagstaff, AZ, United States | 11-50 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Applied Environmentalappliedenv.com HQ: Ann Arbor, MI, United StatesReported employees: 11-50 | Ann Arbor, MI, United States | 11-50 | Exact match | 16 contacts → |
“APPLIED ENVIRONMENTAL is a full service environmental consulting firm which assists clients by identifying the environmental characteristics of properties, completing due…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | CRG Texas Environmental Services, INCcrgtexas.com HQ: Rosenberg, TX, United StatesReported employees: 11-50 | Rosenberg, TX, United States | 11-50 | Exact match | 16 contacts → |
“CRG Texas is a full service environmental and ecological consulting firm specializing in the areas of environmental due diligence and risk management, regulatory compliance, field…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Enersolv Corporationenersolv.com HQ: Decatur, AL, United StatesReported employees: 11-50 | Decatur, AL, United States | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Envirophaseenvirophase.com HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 15 contacts → |
“EnviroPhase is an environmental consulting firm serving clients in commercial and industrial property, development and banking.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Atlas Environmental, INCatlasenvi.com HQ: Charlotte, NC, United StatesReported employees: 1-10 | Charlotte, NC, United States | 1-10 | Exact match | 14 contacts → |
“Welcome to Atlas Environmental: Assisting you in achieving long-term success in land use and environmental practices.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 166 company matches
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Activity specific environmental auditing services: dataset insights
November 6, 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
165 records in the displayed employee bands.
1 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 166 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: November 6, 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 activity specific environmental auditing services?
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 activity specific environmental auditing services did RevenueBase find based in the United States?
The saved snapshot records 166 matching company records, 1,848 tracked contacts and 784 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: November 6, 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
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Cite this list
RevenueBase Data Team. Top 25 activity specific environmental auditing services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/activity-specific-environmental-auditing-services/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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