Company lists · Data refreshed October 2026
Top 14 Industrial hygiene assessment services based in Houston, United States
RevenueBase identified 37 company matches for industrial hygiene assessment services associated with Houston, United States as of October 2026 and tracks 614 professional contacts across them, including 206 with verified work emails. Across the United States, Houston is the largest hub for this category.
This list covers company matches for industrial hygiene assessment 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 October 16, 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 14 largest industrial hygiene assessment services based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 272 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 · Oct 16, 2026 · View company records in RevenueBase | |||||
| 2 | 49 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 · Oct 16, 2026 · View company records in RevenueBase | |||||
| 3 | 48 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 · Oct 16, 2026 · View company records in RevenueBase | |||||
| 4 | 38 contacts → | ||||
Exact match “Phase Engineering, LLC, was founded in 1993 and is a leading engineering and environmental consulting firm, serving clients nationwide to deliver trusted environmental solutions.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 5 | 37 contacts → | ||||
Exact match “RSB Environmental, an Alliance Technical Group company, is a full-service environmental engineering consulting firm, specializing in environmental health and safety services and…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 6 | 21 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 7 | 13 contacts → | ||||
Exact match “Honesty Environmental Services has decades of experience providing Asbestos/Lead Based-Pain/Mold and Indoor Air Quality services to a variety of clients throughout the country…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 8 | 11 contacts → | ||||
Exact match “REPSS offers instrumentation sales, support, repair, calibration, and training to assist industrial hygiene, safety, health, and environmental professionals.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 9 | 6 contacts → | ||||
Exact match “Established in 2012, Costello Safety Consulting is a small full-service Occupational Health and Safety consulting company based out of Houston, TX.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 10 | 3 contacts → | ||||
Exact match “RISKbytes was started in the summer of 2001.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 11 | 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 · Oct 16, 2026 · View company records in RevenueBase | |||||
| 12 | 3 contacts → | ||||
Exact match “East & Associates is a full-service environmental consulting firm.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 13 | 1 contacts → | ||||
Exact match “JML's mission is to drive client excellence by using efficient industrial hygiene monitoring strategies and empower clients to make business decisions on industrial hygiene data…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 14 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 16, 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 “industrial hygiene assessment 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 14 of 37 industrial hygiene assessment services based in Houston, United States
See the full list, filter by size, metro and specialty, and access 206 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Industrial hygiene assessment services based in Houston, United States at a glance
As of Oct 16, 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 37 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 “industrial hygiene assessment 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 206 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 October 16, 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.
Industrial hygiene assessment services by metro in the United States
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 “industrial hygiene assessment services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many industrial hygiene assessment services are there based in Houston, United States?
RevenueBase identified 37 company matches for industrial hygiene assessment services associated with Houston, United States as of October 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 industrial hygiene assessment services?
Houston leads the United States with 37 company records, followed by New York (27) and Chicago (18).
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 206 professional contacts with verified work emails tracked across these 37 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 October 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 37 industrial hygiene assessment services based in Houston, United States. Start with a free account, no credit card.
Download this list →Related lists
Industrial hygiene assessment services by geography
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- Industrial hygiene assessment services based in Calgary, Canada
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- Industrial hygiene assessment services based in Argentina
- Industrial hygiene assessment services based in Australia
- Industrial hygiene assessment services based in Belgium
- Industrial hygiene assessment services based in Brazil
- Industrial hygiene assessment services based in Canada
- Industrial hygiene assessment services based in Chile
- Industrial hygiene assessment services based in Colombia
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
- Industrial hygiene assessment services based in Belo Horizonte, Brazil
- Industrial hygiene assessment services based in Sao Paulo, Brazil
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Company intelligence · public preview
Top 14 industrial hygiene assessment 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 37 matching company records for industrial hygiene assessment services based in Houston, United States, with 614 tracked contacts and 206 verified work emails.
This public preview shows 14 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 16, 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 14 industrial hygiene assessment 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 |  GSI Environmental INCgsienv.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 272 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 · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Pilko & Associatespilko.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 49 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 · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  International Safety Systems, INCissehs.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 48 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 · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Phase Engineering, LLCphaseengineering.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 38 contacts → |
“Phase Engineering, LLC, was founded in 1993 and is a leading engineering and environmental consulting firm, serving clients nationwide to deliver trusted environmental solutions.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 37 contacts → |
“RSB Environmental, an Alliance Technical Group company, is a full-service environmental engineering consulting firm, specializing in environmental health and safety services and…” Recorded description excerpt · October 16, 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 | 21 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Honesty Environmental Services, INChonestyenvironmental.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 13 contacts → |
“Honesty Environmental Services has decades of experience providing Asbestos/Lead Based-Pain/Mold and Indoor Air Quality services to a variety of clients throughout the country…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Repss, INCrepss.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 11 contacts → |
“REPSS offers instrumentation sales, support, repair, calibration, and training to assist industrial hygiene, safety, health, and environmental professionals.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Costello Safety Consultingcostellohse.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 6 contacts → |
“Established in 2012, Costello Safety Consulting is a small full-service Occupational Health and Safety consulting company based out of Houston, TX.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Riskbytes INCriskbytes.comHQ: Houston, United StatesReported employees: 11-50 | Houston, United States | 11-50 | Exact match | 3 contacts → |
“RISKbytes was started in the summer of 2001.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  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 · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  East & Associates, INCeastandassociates.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“East & Associates is a full-service environmental consulting firm.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | JML Consulting Solutions, LLCjmlconsultingsolutions.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 1 contacts → |
“JML's mission is to drive client excellence by using efficient industrial hygiene monitoring strategies and empower clients to make business decisions on industrial hygiene data…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Loflin Environmentalloflinenvironmental.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 14 of 37 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
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Industrial hygiene assessment services: dataset insights
October 16, 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
37 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 37 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: October 16, 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 ↗
Industrial hygiene assessment services by metro in the United States
Questions about this company list
What does Exact match mean for industrial hygiene assessment 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 industrial hygiene assessment services did RevenueBase find based in Houston, United States?
The saved snapshot records 37 matching company records, 614 tracked contacts and 206 verified emails. The public preview displays 14 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: October 16, 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
Industrial hygiene assessment services by geography
- Industrial hygiene assessment services based in Belo Horizonte, Brazil
- Industrial hygiene assessment services based in Sao Paulo, Brazil
- Industrial hygiene assessment services based in Calgary, Canada
- Industrial hygiene assessment services based in Milan, Italy
- Industrial hygiene assessment services based in New York, United States
- Industrial hygiene assessment services based in Argentina
- Industrial hygiene assessment services based in Australia
- Industrial hygiene assessment services based in Belgium
- Industrial hygiene assessment services based in Brazil
- Industrial hygiene assessment services based in Canada
- Industrial hygiene assessment services based in Chile
- Industrial hygiene assessment services based in Colombia
Cite this list
RevenueBase Data Team. Top 14 industrial hygiene assessment services based in Houston, United States. Snapshot: October 16, 2026. https://revenuebase.ai/companies/industrial-hygiene-assessment-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
- Industrial hygiene assessment services based in Belo Horizonte, Brazil
- Industrial hygiene assessment services based in Sao Paulo, Brazil
- Industrial hygiene assessment services based in Calgary, Canada
- Industrial hygiene assessment services based in Milan, Italy
- Industrial hygiene assessment services based in New York, United States
- Industrial hygiene assessment services based in Argentina
Company intelligence · public preview
Top 14 industrial hygiene assessment services based in Houston, United States
RevenueBase records 37 matching company records for industrial hygiene assessment services based in Houston, United States, with 614 tracked contacts and 206 verified work emails.
This public preview shows 14 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 16, 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 14 industrial hygiene assessment 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 | GSI Environmental INCgsienv.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 272 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 · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Pilko & Associatespilko.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 49 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 · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | International Safety Systems, INCissehs.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 48 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 · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Phase Engineering, LLCphaseengineering.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 38 contacts → |
“Phase Engineering, LLC, was founded in 1993 and is a leading engineering and environmental consulting firm, serving clients nationwide to deliver trusted environmental solutions.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 37 contacts → |
“RSB Environmental, an Alliance Technical Group company, is a full-service environmental engineering consulting firm, specializing in environmental health and safety services and…” Recorded description excerpt · October 16, 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 | 21 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Honesty Environmental Services, INChonestyenvironmental.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 13 contacts → |
“Honesty Environmental Services has decades of experience providing Asbestos/Lead Based-Pain/Mold and Indoor Air Quality services to a variety of clients throughout the country…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Repss, INCrepss.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 11 contacts → |
“REPSS offers instrumentation sales, support, repair, calibration, and training to assist industrial hygiene, safety, health, and environmental professionals.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Costello Safety Consultingcostellohse.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 6 contacts → |
“Established in 2012, Costello Safety Consulting is a small full-service Occupational Health and Safety consulting company based out of Houston, TX.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Riskbytes INCriskbytes.com HQ: Houston, United StatesReported employees: 11-50 | Houston, United States | 11-50 | Exact match | 3 contacts → |
“RISKbytes was started in the summer of 2001.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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 · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | East & Associates, INCeastandassociates.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“East & Associates is a full-service environmental consulting firm.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | JML Consulting Solutions, LLCjmlconsultingsolutions.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 1 contacts → |
“JML's mission is to drive client excellence by using efficient industrial hygiene monitoring strategies and empower clients to make business decisions on industrial hygiene data…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Loflin Environmentalloflinenvironmental.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 14 of 37 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Industrial hygiene assessment services: dataset insights
October 16, 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
37 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 37 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: October 16, 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 ↗
Industrial hygiene assessment services by metro in the United States
Questions about this company list
What does Exact match mean for industrial hygiene assessment 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 industrial hygiene assessment services did RevenueBase find based in Houston, United States?
The saved snapshot records 37 matching company records, 614 tracked contacts and 206 verified emails. The public preview displays 14 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: October 16, 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.
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Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 14 industrial hygiene assessment services based in Houston, United States. Snapshot: October 16, 2026. https://revenuebase.ai/companies/industrial-hygiene-assessment-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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