Company lists · Data refreshed September 2026
Top 25 Hazmat consulting firms based in Houston, United States
RevenueBase identified 55 company matches for hazmat consulting firms associated with Houston, United States as of September 2026 and tracks 986 professional contacts across them, including 283 with verified work emails. Across the United States, Houston is the largest hub for this category.
This list covers company matches for hazmat consulting firms 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 September 28, 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 hazmat consulting firms based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 259 contacts → | ||||
Exact match “GSI Environmental, Inc.(GSI), is an environmental engineering and science consulting firm committed to measuring, analyzing, and solving complex environmental problems around the…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 2 | 96 contacts → | ||||
Exact match “DGM Services, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 63 contacts → | ||||
Exact match “RCP is the regulatory compliance and risk management expert for pipelines, facilities, and terminal operations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 50 contacts → | ||||
Exact match “We are the trusted Advisor to corporate officers and boards on mitigating Operational/EHS Risks and unlocking value for global energy, chemical and industrial companies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 46 contacts → | ||||
Exact match “International Safety Systems, Inc.(ISS) is a consulting company providing cost effective and high quality industrial hygiene and safety services to 35+ countries from its offices…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 32 contacts → | ||||
Exact match “Full service environmental emergency response contractor with associated business lines in industrial maintenance and cleaning services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 21 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 11 contacts → | ||||
Exact match “Special Cargo Houston is focused on delivering hazardous cargo solutions including packing, documentation, regulatory consulting and professional training to service the diverse…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 11 contacts → | ||||
Exact match “ZALEMO strives to deliver a safe and secure work environment with all of our industry partners!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 10 contacts → | ||||
Exact match “The largest Training Centers for environmental, chemical and biological emergencies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 10 contacts → | ||||
Exact match “United States Environmental Services (USES) provides the Gulf South region with a comprehensive range of Industrial, Environmental and Specialty Services-all from a single company…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 9 contacts → | ||||
Exact match “Risk Integrity Safety Knowledge, Inc.(RISK, Inc.) is a global safety consulting company offering a full range of technical consulting, training, and staffing services in Process…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match “NJ Resources, Inc.(NJR) is a well-established consulting company specializing in emergency response and crisis management throughout the world.” Recorded in the RevenueBase company graph · Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “Overview 30 Years of Hazmat – and Only Hazmat - Packaging In 1991, HM-181 was introduced.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “ChemtranUSA is an industry leading hazardous material DG shipping company in Houston, TX, Est, 1993.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “We are an environmental consulting firm with headquarters in Houston.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 4 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “Pettus Consulting offers services including inspection, specification drafting, regulatory auditing, records review, regulator liaison, and project/construction management.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “JMAC GROUP, LLC, headquartered in Houston since 2014, provides Safety and Environmental services across Texas and beyond, delivering dependable solutions to keep teams safe…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “Active Industrial Fire Protection LLC is a full service fire code consulting firm specializing in High Piled Combustible and Hazardous Materials Storage occupancies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “Safety Kinetics Consulting & Construction LLC, is a privately owned safety management consulting firm based in the Houston, Texas area.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “At Roberts Law Group / Chemical Security Group, we provide expert legal and security consulting to high-risk industries, including chemical, petrochemical, transportation, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match “Prime 1 Consulting brings a deep understanding of mold and its causes, along with powerful analytical tools, to provide clients with the insights and understanding they need to…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “Customized Risk, Safety and Environmental Consulting and Management” Recorded in the RevenueBase company graph · Sep 28, 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 “hazmat consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 55 hazmat consulting firms based in Houston, United States
See the full list, filter by size, metro and specialty, and access 283 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hazmat consulting firms based in Houston, United States at a glance
As of Sep 28, 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 55 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 “hazmat consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 283 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 28, 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 “hazmat consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hazmat consulting firms are there based in Houston, United States?
RevenueBase identified 55 company matches for hazmat consulting firms associated with Houston, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
GSI Environmental INC 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 hazmat consulting firms?
Houston leads the United States with 55 company records, followed by San Diego (24) and New York (23).
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 283 professional contacts with verified work emails tracked across these 55 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 55 hazmat consulting firms based in Houston, United States. Start with a free account, no credit card.
Download this list →Related lists
Hazmat consulting firms by geography
- Hazmat consulting firms based in Calgary, Canada
- Hazmat consulting firms based in Australia
- Hazmat consulting firms based in Belgium
- Hazmat consulting firms based in Brazil
- Hazmat consulting firms based in Canada
- Hazmat consulting firms based in France
- Hazmat consulting firms based in Germany
- Hazmat consulting firms based in Italy
- Hazmat consulting firms based in Mexico
- Hazmat consulting firms based in the Netherlands
- Hazmat consulting firms based in Peru
- Hazmat consulting firms based in South Africa
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
- Hazmat consulting firms based in Calgary, Canada
- Hazmat consulting firms based in Australia
- Hazmat consulting firms based in Belgium
- Hazmat consulting firms based in Brazil
- Hazmat consulting firms based in Canada
- Hazmat consulting firms based in France
Company intelligence · public preview
Top 25 hazmat consulting firms 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 55 matching company records for hazmat consulting firms based in Houston, United States, with 986 tracked contacts and 283 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 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 hazmat consulting firms 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 |  GSI Environmental INCgsienv.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 259 contacts → |
“GSI Environmental, Inc.(GSI), is an environmental engineering and science consulting firm committed to measuring, analyzing, and solving complex environmental problems around the…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | DGM USAdgm-usa.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 96 contacts → |
“DGM Services, Inc.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  RCP INCrcp.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 63 contacts → |
“RCP is the regulatory compliance and risk management expert for pipelines, facilities, and terminal operations.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Pilko & Associatespilko.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 50 contacts → |
“We are the trusted Advisor to corporate officers and boards on mitigating Operational/EHS Risks and unlocking value for global energy, chemical and industrial companies.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  International Safety Systems, INCissehs.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 46 contacts → |
“International Safety Systems, Inc.(ISS) is a consulting company providing cost effective and high quality industrial hygiene and safety services to 35+ countries from its offices…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Slick Response Servicesslick-response.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 32 contacts → |
“Full service environmental emergency response contractor with associated business lines in industrial maintenance and cleaning services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  TGE Resources, INCtgeresources.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 21 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Special Cargo Houstonspecialcargo.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 11 contacts → |
“Special Cargo Houston is focused on delivering hazardous cargo solutions including packing, documentation, regulatory consulting and professional training to service the diverse…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Zalemo Corpzalemo.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 11 contacts → |
“ZALEMO strives to deliver a safe and secure work environment with all of our industry partners!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Artc Ambipar Response Training Centerambipar.comHQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 10 contacts → |
“The largest Training Centers for environmental, chemical and biological emergencies.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | United States Environmental Services Usesusesgroup.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 10 contacts → |
“United States Environmental Services (USES) provides the Gulf South region with a comprehensive range of Industrial, Environmental and Specialty Services-all from a single company…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 9 contacts → |
“Risk Integrity Safety Knowledge, Inc.(RISK, Inc.) is a global safety consulting company offering a full range of technical consulting, training, and staffing services in Process…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  NJ Resources, INCnjr.netHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 9 contacts → |
“NJ Resources, Inc.(NJR) is a well-established consulting company specializing in emergency response and crisis management throughout the world.” Recorded description excerpt · September 28, 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Hazmatpac, Inc., A Pipeline Packaging Companyhazmatpac.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 6 contacts → |
“Overview 30 Years of Hazmat – and Only Hazmat - Packaging In 1991, HM-181 was introduced.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Chemtranusachemtranusa.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 5 contacts → |
“ChemtranUSA is an industry leading hazardous material DG shipping company in Houston, TX, Est, 1993.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  AWA Environmental LLCawamoldinspections.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 5 contacts → |
“We are an environmental consulting firm with headquarters in Houston.” Recorded description excerpt · September 28, 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 | 4 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Pettus Consulting LLCpettusconsultingllc.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“Pettus Consulting offers services including inspection, specification drafting, regulatory auditing, records review, regulator liaison, and project/construction management.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Jmac Groupcraft-safety.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 3 contacts → |
“JMAC GROUP, LLC, headquartered in Houston since 2014, provides Safety and Environmental services across Texas and beyond, delivering dependable solutions to keep teams safe…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Active Industrial Fire Protection LLChighpiledpermits.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“Active Industrial Fire Protection LLC is a full service fire code consulting firm specializing in High Piled Combustible and Hazardous Materials Storage occupancies.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Safety Kinetics Consulting & Construction LLCsafetykinetics.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“Safety Kinetics Consulting & Construction LLC, is a privately owned safety management consulting firm based in the Houston, Texas area.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Roberts LAW Group Chemical Security Groupchemicalsecurity.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 2 contacts → |
“At Roberts Law Group / Chemical Security Group, we provide expert legal and security consulting to high-risk industries, including chemical, petrochemical, transportation, and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Prime 1 Consultingprime1consulting.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 1 contacts → |
“Prime 1 Consulting brings a deep understanding of mold and its causes, along with powerful analytical tools, to provide clients with the insights and understanding they need to…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Ridgeline Engineering, LLCridgelineriskhse.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 1 contacts → |
“Customized Risk, Safety and Environmental Consulting and Management” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 55 company matches
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Hazmat consulting firms: dataset insights
September 28, 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
55 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 55 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 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 hazmat consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hazmat consulting firms did RevenueBase find based in Houston, United States?
The saved snapshot records 55 matching company records, 986 tracked contacts and 283 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 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
Hazmat consulting firms by geography
- Hazmat consulting firms based in Calgary, Canada
- Hazmat consulting firms based in Australia
- Hazmat consulting firms based in Belgium
- Hazmat consulting firms based in Brazil
- Hazmat consulting firms based in Canada
- Hazmat consulting firms based in France
- Hazmat consulting firms based in Germany
- Hazmat consulting firms based in Italy
- Hazmat consulting firms based in Mexico
- Hazmat consulting firms based in the Netherlands
- Hazmat consulting firms based in Peru
- Hazmat consulting firms based in South Africa
Cite this list
RevenueBase Data Team. Top 25 hazmat consulting firms based in Houston, United States. Snapshot: September 28, 2026. https://revenuebase.ai/companies/hazmat-consulting-firms/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
- Hazmat consulting firms based in Calgary, Canada
- Hazmat consulting firms based in Australia
- Hazmat consulting firms based in Belgium
- Hazmat consulting firms based in Brazil
- Hazmat consulting firms based in Canada
- Hazmat consulting firms based in France
Company intelligence · public preview
Top 25 hazmat consulting firms based in Houston, United States
RevenueBase records 55 matching company records for hazmat consulting firms based in Houston, United States, with 986 tracked contacts and 283 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 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 hazmat consulting firms 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 | GSI Environmental INCgsienv.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 259 contacts → |
“GSI Environmental, Inc.(GSI), is an environmental engineering and science consulting firm committed to measuring, analyzing, and solving complex environmental problems around the…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | DGM USAdgm-usa.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 96 contacts → |
“DGM Services, Inc.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | RCP INCrcp.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 63 contacts → |
“RCP is the regulatory compliance and risk management expert for pipelines, facilities, and terminal operations.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Pilko & Associatespilko.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 50 contacts → |
“We are the trusted Advisor to corporate officers and boards on mitigating Operational/EHS Risks and unlocking value for global energy, chemical and industrial companies.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | International Safety Systems, INCissehs.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 46 contacts → |
“International Safety Systems, Inc.(ISS) is a consulting company providing cost effective and high quality industrial hygiene and safety services to 35+ countries from its offices…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Slick Response Servicesslick-response.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 32 contacts → |
“Full service environmental emergency response contractor with associated business lines in industrial maintenance and cleaning services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | TGE Resources, INCtgeresources.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 21 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Special Cargo Houstonspecialcargo.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 11 contacts → |
“Special Cargo Houston is focused on delivering hazardous cargo solutions including packing, documentation, regulatory consulting and professional training to service the diverse…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Zalemo Corpzalemo.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 11 contacts → |
“ZALEMO strives to deliver a safe and secure work environment with all of our industry partners!” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Artc Ambipar Response Training Centerambipar.com HQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 10 contacts → |
“The largest Training Centers for environmental, chemical and biological emergencies.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | United States Environmental Services Usesusesgroup.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 10 contacts → |
“United States Environmental Services (USES) provides the Gulf South region with a comprehensive range of Industrial, Environmental and Specialty Services-all from a single company…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 9 contacts → |
“Risk Integrity Safety Knowledge, Inc.(RISK, Inc.) is a global safety consulting company offering a full range of technical consulting, training, and staffing services in Process…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | NJ Resources, INCnjr.net HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 9 contacts → |
“NJ Resources, Inc.(NJR) is a well-established consulting company specializing in emergency response and crisis management throughout the world.” Recorded description excerpt · September 28, 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Hazmatpac, Inc., A Pipeline Packaging Companyhazmatpac.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 6 contacts → |
“Overview 30 Years of Hazmat – and Only Hazmat - Packaging In 1991, HM-181 was introduced.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Chemtranusachemtranusa.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 5 contacts → |
“ChemtranUSA is an industry leading hazardous material DG shipping company in Houston, TX, Est, 1993.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | AWA Environmental LLCawamoldinspections.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 5 contacts → |
“We are an environmental consulting firm with headquarters in Houston.” Recorded description excerpt · September 28, 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 | 4 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Pettus Consulting LLCpettusconsultingllc.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“Pettus Consulting offers services including inspection, specification drafting, regulatory auditing, records review, regulator liaison, and project/construction management.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Jmac Groupcraft-safety.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 3 contacts → |
“JMAC GROUP, LLC, headquartered in Houston since 2014, provides Safety and Environmental services across Texas and beyond, delivering dependable solutions to keep teams safe…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Active Industrial Fire Protection LLChighpiledpermits.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“Active Industrial Fire Protection LLC is a full service fire code consulting firm specializing in High Piled Combustible and Hazardous Materials Storage occupancies.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Safety Kinetics Consulting & Construction LLCsafetykinetics.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“Safety Kinetics Consulting & Construction LLC, is a privately owned safety management consulting firm based in the Houston, Texas area.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Roberts LAW Group Chemical Security Groupchemicalsecurity.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 2 contacts → |
“At Roberts Law Group / Chemical Security Group, we provide expert legal and security consulting to high-risk industries, including chemical, petrochemical, transportation, and…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Prime 1 Consultingprime1consulting.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 1 contacts → |
“Prime 1 Consulting brings a deep understanding of mold and its causes, along with powerful analytical tools, to provide clients with the insights and understanding they need to…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ridgeline Engineering, LLCridgelineriskhse.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 1 contacts → |
“Customized Risk, Safety and Environmental Consulting and Management” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 55 company matches
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Hazmat consulting firms: dataset insights
September 28, 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
55 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 55 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 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 hazmat consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hazmat consulting firms did RevenueBase find based in Houston, United States?
The saved snapshot records 55 matching company records, 986 tracked contacts and 283 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 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 hazmat consulting firms based in Houston, United States. Snapshot: September 28, 2026. https://revenuebase.ai/companies/hazmat-consulting-firms/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
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- Hazmat consulting firms based in Calgary, Canada
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