Company lists · Data refreshed November 2026
Top 22 Environmental sciences advisory services based in Houston, United States
RevenueBase identified 105 company matches for environmental sciences advisory services associated with Houston, United States as of November 2026 and tracks 1,277 professional contacts across them, including 589 with verified work emails. Across the United States, Houston is the largest hub for this category.
This list covers company matches for environmental sciences advisory services associated with Houston, 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 22 largest environmental sciences advisory services based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 115 contacts → | ||||
Exact match “Perennial Environmental Services, LLC, has been providing technical environmental solutions and management with fresh perspectives and unparalleled efficiency since 2003.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 32 contacts → | ||||
Exact match “We strongly believe the consulting sector has a crucial role to play in enabling the transition to a more sustainable economy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 30 contacts → | ||||
Exact match “Hollaway Environmental + Communication Services, an SBE/DBE/WBE/HUB firm, bridges two worlds that are uniquely connected: Environmental Services and Communications Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 29 contacts → | ||||
Exact match “Environmental Consulting and Engineering InControl Technologies was established in 1997 to provide high-end quality environmental consulting services to owners of commercial and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 23 contacts → | ||||
Exact match “HSE International provides environmental, social, safety and strategic advisory services to the energy, infrastructure, extractive, financial and government sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 22 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 20 contacts → | ||||
Exact match “Acorn International, LLC delivers environmental and social risk management consulting services to international industry and investors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 17 contacts → | ||||
Exact match “At EOSolutions, we know you want your operations to stay in compliance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “SKA Consulting is a professional environmental engineering and consulting firm providing timely, innovative solutions to today’s environmental challenges.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 15 contacts → | ||||
Exact match “Bocci is an energy and environmental engineering consultancy based in Houston, Texas providing high quality, innovative and cost-effective solutions that significantly reduce or…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 14 contacts → | ||||
Exact match “Langham Creek Machine Works is an Environmental Services company located in 4408 Joyce Blvd, Houston, Texas, United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 10 contacts → | ||||
Exact match “PEI Consulting Group, Inc.(PEI) is an employee owned full-service environmental consulting and engineering firm providing timely, innovative solutions to today’s environmental…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 7 contacts → | ||||
Exact match “Cypress Environmental Consulting LLC (CEC) provides a broad range of environmental services including planning, site assessment, and permitting with a focus on regulatory…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 7 contacts → | ||||
Exact match “Since 1986, CCI has been providing specialized services in hazardous waste compliance, permitting, site investigations, and closures; underground storage tank removals and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 5 contacts → | ||||
Exact match “At Altiras Labs, our primary objective is to empower chemical manufacturers in their pursuit of sustainability goals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “Spatial Analytics and Research Consulting is a small environmental consulting partnership (founded 2022) specializing in GIS, data analysis, and research.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “Emissions Experts Inc is a leading brokerage and consulting firm specializing in environmental credit markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Experien Health Sciences is a multinational consultancy that specializes in regulatory toxicology, occupational health and product stewardship for clients throughout the United…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “National Environmental Services was established in 1995 and is a full service environmental consulting firm with locations in Houston Texas and Redlands California providing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “Schaper Energy Consulting is a professional engineering firm based in Houston, Texas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “East & Associates is a full-service environmental consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “Anchor Enterprises LLC provides advisory consulting services to owners of capital programs in the aviation, transportation, healthcare, higher education, water/wastewater and…” 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 “environmental sciences advisory 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 22 of 105 environmental sciences advisory services based in Houston, United States
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Environmental sciences advisory services based in Houston, United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 105 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 Houston, United States whose business descriptions match “environmental sciences advisory 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 589 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.
Environmental sciences advisory services by metro in the United States
- Environmental sciences advisory services in New York90
- Environmental sciences advisory services in Seattle64
- Environmental sciences advisory services in Washington56
- Environmental sciences advisory services in Portland54
- Environmental sciences advisory services in Denver48
- Environmental sciences advisory services in Chicago47
- Environmental sciences advisory services in Los Angeles47
- Environmental sciences advisory services in San Diego45
- Environmental sciences advisory services in Austin39
- Environmental sciences advisory services in Tampa35
- Environmental sciences advisory services in Dallas34
- Environmental sciences advisory services in Miami32
- Environmental sciences advisory services in Phoenix32
- Environmental sciences advisory services in Anchorage29
- Environmental sciences advisory services in Atlanta29
- Environmental sciences advisory services in Baton Rouge29
- Environmental sciences advisory services in San Francisco29
- Environmental sciences advisory services in Orlando27
- Environmental sciences advisory services in Oakland26
- Environmental sciences advisory services in Sacramento26
- Environmental sciences advisory services in Raleigh25
- Environmental sciences advisory services in San Antonio25
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 “environmental sciences advisory services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many environmental sciences advisory services are there based in Houston, United States?
RevenueBase identified 105 company matches for environmental sciences advisory services associated with Houston, 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?
Perennial Environmental Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most environmental sciences advisory services?
Houston leads the United States with 105 company records, followed by New York (90) and Seattle (64).
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 589 professional contacts with verified work emails tracked across these 105 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 105 environmental sciences advisory services based in Houston, United States. Start with a free account, no credit card.
Download this list →Related lists
Environmental sciences advisory services by geography
- Environmental sciences advisory services based in Buenos Aires, Argentina
- Environmental sciences advisory services based in Adelaide, Australia
- Environmental sciences advisory services based in Brisbane, Australia
- Environmental sciences advisory services based in Melbourne, Australia
- Environmental sciences advisory services based in Perth, Australia
- Environmental sciences advisory services based in Sydney, Australia
- Environmental sciences advisory services based in Vienna, Austria
- Environmental sciences advisory services based in Belo Horizonte, Brazil
- Environmental sciences advisory services based in Brasilia, Brazil
- Environmental sciences advisory services based in Campinas, Brazil
- Environmental sciences advisory services based in Caxias Do Sul, Brazil
- Environmental sciences advisory services based in Curitiba, Brazil
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
- Environmental sciences advisory services based in Buenos Aires, Argentina
- Environmental sciences advisory services based in Adelaide, Australia
- Environmental sciences advisory services based in Brisbane, Australia
- Environmental sciences advisory services based in Melbourne, Australia
- Environmental sciences advisory services based in Perth, Australia
- Environmental sciences advisory services based in Sydney, Australia
Company intelligence · public preview
Top 22 environmental sciences advisory services based in Houston, 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 105 matching company records for environmental sciences advisory services based in Houston, United States, with 1,277 tracked contacts and 589 verified work emails.
This public preview shows 22 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 22 environmental sciences advisory services based in Houston, 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 |  Perennial Environmental Servicesperennialenv.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 115 contacts → |
“Perennial Environmental Services, LLC, has been providing technical environmental solutions and management with fresh perspectives and unparalleled efficiency since 2003.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Green Star BCSgreenstarbcs.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 32 contacts → |
“We strongly believe the consulting sector has a crucial role to play in enabling the transition to a more sustainable economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Hollaway Environmental Communications Services, INChollawayenv.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 30 contacts → |
“Hollaway Environmental + Communication Services, an SBE/DBE/WBE/HUB firm, bridges two worlds that are uniquely connected: Environmental Services and Communications Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  UES Professional Solutions 64, LLCincontroltech.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 29 contacts → |
“Environmental Consulting and Engineering InControl Technologies was established in 1997 to provide high-end quality environmental consulting services to owners of commercial and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  HSE International LLChseinternational.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 23 contacts → |
“HSE International provides environmental, social, safety and strategic advisory services to the energy, infrastructure, extractive, financial and government sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  TGE Resources, INCtgeresources.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 22 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 |  Acorn International, LLCacornintllc.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 20 contacts → |
“Acorn International, LLC delivers environmental and social risk management consulting services to international industry and investors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Environmental Operational Solutions Eosolutionseosolutions.netHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 17 contacts → |
“At EOSolutions, we know you want your operations to stay in compliance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  SKA Consulting, L.Pskaconsulting.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 16 contacts → |
“SKA Consulting is a professional environmental engineering and consulting firm providing timely, innovative solutions to today’s environmental challenges.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Bocci Engineeringbocciengineering.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 15 contacts → |
“Bocci is an energy and environmental engineering consultancy based in Houston, Texas providing high quality, innovative and cost-effective solutions that significantly reduce or…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Langham Creek Machine Workslcmw.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 14 contacts → |
“Langham Creek Machine Works is an Environmental Services company located in 4408 Joyce Blvd, Houston, Texas, United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  PEI Consulting Group, INCpei-tx.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 10 contacts → |
“PEI Consulting Group, Inc.(PEI) is an employee owned full-service environmental consulting and engineering firm providing timely, innovative solutions to today’s environmental…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Cypress Environmental Consultingcypressec.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 7 contacts → |
“Cypress Environmental Consulting LLC (CEC) provides a broad range of environmental services including planning, site assessment, and permitting with a focus on regulatory…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Corrigan Consulting INCcorrigan-consulting.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 7 contacts → |
“Since 1986, CCI has been providing specialized services in hazardous waste compliance, permitting, site investigations, and closures; underground storage tank removals and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Altiras Labsaltiras.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 5 contacts → |
“At Altiras Labs, our primary objective is to empower chemical manufacturers in their pursuit of sustainability goals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 5 contacts → |
“Spatial Analytics and Research Consulting is a small environmental consulting partnership (founded 2022) specializing in GIS, data analysis, and research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Emissions Experts INCemissionsexperts.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 5 contacts → |
“Emissions Experts Inc is a leading brokerage and consulting firm specializing in environmental credit markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Experien Health Sciences, INCexperienhealthsciences.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 5 contacts → |
“Experien Health Sciences is a multinational consultancy that specializes in regulatory toxicology, occupational health and product stewardship for clients throughout the United…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  National Environmental Servicesnationalenv.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 5 contacts → |
“National Environmental Services was established in 1995 and is a full service environmental consulting firm with locations in Houston Texas and Redlands California providing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Schaper Energy Consultingschaperintl.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 4 contacts → |
“Schaper Energy Consulting is a professional engineering firm based in Houston, Texas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  East & Associates, INCeastandassociates.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 4 contacts → |
“East & Associates is a full-service environmental consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Anchor Enterprises, LLC NOW Consertusae-hub.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“Anchor Enterprises LLC provides advisory consulting services to owners of capital programs in the aviation, transportation, healthcare, higher education, water/wastewater and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 105 company matches
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Environmental sciences advisory 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
105 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 across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 105 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 ↗
Environmental sciences advisory services by metro in the United States
- Environmental sciences advisory services in New York90
- Environmental sciences advisory services in Seattle64
- Environmental sciences advisory services in Washington56
- Environmental sciences advisory services in Portland54
- Environmental sciences advisory services in Denver48
- Environmental sciences advisory services in Chicago47
- Environmental sciences advisory services in Los Angeles47
- Environmental sciences advisory services in San Diego45
- Environmental sciences advisory services in Austin39
- Environmental sciences advisory services in Tampa35
- Environmental sciences advisory services in Dallas34
- Environmental sciences advisory services in Miami32
- Environmental sciences advisory services in Phoenix32
- Environmental sciences advisory services in Anchorage29
- Environmental sciences advisory services in Atlanta29
- Environmental sciences advisory services in Baton Rouge29
- Environmental sciences advisory services in San Francisco29
- Environmental sciences advisory services in Orlando27
- Environmental sciences advisory services in Oakland26
- Environmental sciences advisory services in Sacramento26
- Environmental sciences advisory services in Raleigh25
- Environmental sciences advisory services in San Antonio25
Questions about this company list
What does Exact match mean for environmental sciences advisory 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 environmental sciences advisory services did RevenueBase find based in Houston, United States?
The saved snapshot records 105 matching company records, 1,277 tracked contacts and 589 verified emails. The public preview displays 22 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
Environmental sciences advisory services by geography
- Environmental sciences advisory services based in Buenos Aires, Argentina
- Environmental sciences advisory services based in Adelaide, Australia
- Environmental sciences advisory services based in Brisbane, Australia
- Environmental sciences advisory services based in Melbourne, Australia
- Environmental sciences advisory services based in Perth, Australia
- Environmental sciences advisory services based in Sydney, Australia
- Environmental sciences advisory services based in Vienna, Austria
- Environmental sciences advisory services based in Belo Horizonte, Brazil
- Environmental sciences advisory services based in Brasilia, Brazil
- Environmental sciences advisory services based in Campinas, Brazil
- Environmental sciences advisory services based in Caxias Do Sul, Brazil
- Environmental sciences advisory services based in Curitiba, Brazil
Cite this list
RevenueBase Data Team. Top 22 environmental sciences advisory services based in Houston, United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/environmental-sciences-advisory-services/united-states/houston.
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
- Environmental sciences advisory services based in Buenos Aires, Argentina
- Environmental sciences advisory services based in Adelaide, Australia
- Environmental sciences advisory services based in Brisbane, Australia
- Environmental sciences advisory services based in Melbourne, Australia
- Environmental sciences advisory services based in Perth, Australia
- Environmental sciences advisory services based in Sydney, Australia
Company intelligence · public preview
Top 22 environmental sciences advisory services based in Houston, United States
RevenueBase records 105 matching company records for environmental sciences advisory services based in Houston, United States, with 1,277 tracked contacts and 589 verified work emails.
This public preview shows 22 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 22 environmental sciences advisory services based in Houston, 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 | Perennial Environmental Servicesperennialenv.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 115 contacts → |
“Perennial Environmental Services, LLC, has been providing technical environmental solutions and management with fresh perspectives and unparalleled efficiency since 2003.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Green Star BCSgreenstarbcs.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 32 contacts → |
“We strongly believe the consulting sector has a crucial role to play in enabling the transition to a more sustainable economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Hollaway Environmental Communications Services, INChollawayenv.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 30 contacts → |
“Hollaway Environmental + Communication Services, an SBE/DBE/WBE/HUB firm, bridges two worlds that are uniquely connected: Environmental Services and Communications Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | UES Professional Solutions 64, LLCincontroltech.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 29 contacts → |
“Environmental Consulting and Engineering InControl Technologies was established in 1997 to provide high-end quality environmental consulting services to owners of commercial and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HSE International LLChseinternational.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 23 contacts → |
“HSE International provides environmental, social, safety and strategic advisory services to the energy, infrastructure, extractive, financial and government sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | TGE Resources, INCtgeresources.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 22 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Acorn International, LLCacornintllc.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 20 contacts → |
“Acorn International, LLC delivers environmental and social risk management consulting services to international industry and investors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Environmental Operational Solutions Eosolutionseosolutions.net HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 17 contacts → |
“At EOSolutions, we know you want your operations to stay in compliance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | SKA Consulting, L.Pskaconsulting.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 16 contacts → |
“SKA Consulting is a professional environmental engineering and consulting firm providing timely, innovative solutions to today’s environmental challenges.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Bocci Engineeringbocciengineering.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 15 contacts → |
“Bocci is an energy and environmental engineering consultancy based in Houston, Texas providing high quality, innovative and cost-effective solutions that significantly reduce or…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Langham Creek Machine Workslcmw.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 14 contacts → |
“Langham Creek Machine Works is an Environmental Services company located in 4408 Joyce Blvd, Houston, Texas, United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | PEI Consulting Group, INCpei-tx.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 10 contacts → |
“PEI Consulting Group, Inc.(PEI) is an employee owned full-service environmental consulting and engineering firm providing timely, innovative solutions to today’s environmental…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cypress Environmental Consultingcypressec.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 7 contacts → |
“Cypress Environmental Consulting LLC (CEC) provides a broad range of environmental services including planning, site assessment, and permitting with a focus on regulatory…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Corrigan Consulting INCcorrigan-consulting.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 7 contacts → |
“Since 1986, CCI has been providing specialized services in hazardous waste compliance, permitting, site investigations, and closures; underground storage tank removals and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Altiras Labsaltiras.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 5 contacts → |
“At Altiras Labs, our primary objective is to empower chemical manufacturers in their pursuit of sustainability goals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 5 contacts → |
“Spatial Analytics and Research Consulting is a small environmental consulting partnership (founded 2022) specializing in GIS, data analysis, and research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Emissions Experts INCemissionsexperts.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 5 contacts → |
“Emissions Experts Inc is a leading brokerage and consulting firm specializing in environmental credit markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Experien Health Sciences, INCexperienhealthsciences.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 5 contacts → |
“Experien Health Sciences is a multinational consultancy that specializes in regulatory toxicology, occupational health and product stewardship for clients throughout the United…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | National Environmental Servicesnationalenv.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 5 contacts → |
“National Environmental Services was established in 1995 and is a full service environmental consulting firm with locations in Houston Texas and Redlands California providing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Schaper Energy Consultingschaperintl.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 4 contacts → |
“Schaper Energy Consulting is a professional engineering firm based in Houston, Texas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | East & Associates, INCeastandassociates.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 4 contacts → |
“East & Associates is a full-service environmental consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Anchor Enterprises, LLC NOW Consertusae-hub.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“Anchor Enterprises LLC provides advisory consulting services to owners of capital programs in the aviation, transportation, healthcare, higher education, water/wastewater and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 105 company matches
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Environmental sciences advisory 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
105 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 across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 105 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 ↗
Environmental sciences advisory services by metro in the United States
- Environmental sciences advisory services in New York90
- Environmental sciences advisory services in Seattle64
- Environmental sciences advisory services in Washington56
- Environmental sciences advisory services in Portland54
- Environmental sciences advisory services in Denver48
- Environmental sciences advisory services in Chicago47
- Environmental sciences advisory services in Los Angeles47
- Environmental sciences advisory services in San Diego45
- Environmental sciences advisory services in Austin39
- Environmental sciences advisory services in Tampa35
- Environmental sciences advisory services in Dallas34
- Environmental sciences advisory services in Miami32
- Environmental sciences advisory services in Phoenix32
- Environmental sciences advisory services in Anchorage29
- Environmental sciences advisory services in Atlanta29
- Environmental sciences advisory services in Baton Rouge29
- Environmental sciences advisory services in San Francisco29
- Environmental sciences advisory services in Orlando27
- Environmental sciences advisory services in Oakland26
- Environmental sciences advisory services in Sacramento26
- Environmental sciences advisory services in Raleigh25
- Environmental sciences advisory services in San Antonio25
Questions about this company list
What does Exact match mean for environmental sciences advisory 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 environmental sciences advisory services did RevenueBase find based in Houston, United States?
The saved snapshot records 105 matching company records, 1,277 tracked contacts and 589 verified emails. The public preview displays 22 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.
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Cite this list
RevenueBase Data Team. Top 22 environmental sciences advisory services based in Houston, United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/environmental-sciences-advisory-services/united-states/houston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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