Company lists · Data refreshed October 2026
Top 25 Cleanroom testing & certification services based in the United States
RevenueBase identified 122 company matches for cleanroom testing & certification services associated with the United States as of October 2026 and tracks 1,409 professional contacts across them, including 341 with verified work emails. Minneapolis is the largest hub.
This list covers company matches for cleanroom testing & certification services associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 23, 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 cleanroom testing & certification services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 193 contacts → | ||||
Exact match “Visit chrysalisgxp.com for GMP-ready cleanrooms and services.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 2 | 94 contacts → | ||||
Exact match “CleanSpace – Concept Through Commercialization At CleanSpace, we don’t just build cleanrooms-we deliver operational readiness.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 3 | 82 contacts → | ||||
Exact match “Advanced Cleanroom Microclean is an ISO 9001:2015 certified cleanroom cleaning and facility service company.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 4 | 71 contacts → | ||||
Exact match “Leading Supplier of specialty uniforms and services concentrating on contamination control for cleanroom environments including but not limited to sterile and non-sterile…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 5 | 62 contacts → | ||||
Exact match “VTI Life Sciences is an ISO Certified Company with the experience, expertise, and commitment to provide the superior service required to meet all of your validation and compliance…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 6 | 35 contacts → | ||||
Exact match “Applus Keystone+ specializes in streamlining the burden of regulatory compliance testing.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 7 | 28 contacts → | ||||
Exact match “The Leader in Innovative Cleanroom Solutions Since 1990, Clean Rooms West has designed, built and installed thousands of cleanrooms for clients in diverse industries.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 8 | 23 contacts → | ||||
Exact match “We are a Certified Women-Owned Business (WOB) and a NEBB Certified Firm specializing in Cleanroom Performance Testing.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 9 | 21 contacts → | ||||
Exact match “KNF Clean Room Products Corporation is recognized as a premier provider of Flexible Clean Room Certified Packaging Products which are customized to meet our customers applications…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 10 | 19 contacts → | ||||
Exact match “nanoCLEAN is a cutting-edge, high technology, contamination control firm that provides Technical Cleaning, Protocol Training and Auditing services for cleanroom manufacturing…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 11 | 17 contacts → | ||||
Exact match “Teknipure delivers high-performance cleanroom solutions designed to meet the strict cleanroom standards of the Pharmaceutical, Medical Device, Semiconductor, Aerospace and other…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 12 | 17 contacts → | ||||
Exact match “From Compliance Testing to Problem-solving to Approvals.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 13 | 15 contacts → | ||||
Exact match “NCEE Labs, founded in 1998, provides FCC, CE, and worldwide EMC/wireless testing, Product Safety, Reliability, and X-Ray testing, as well as wireless certification to large and…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 14 | 15 contacts → | ||||
Exact match “Sapphire Cleanrooms is a Cleanroom Equipment Supplier.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 15 | 12 contacts → | ||||
Exact match “The CEPro model is unique within the industry.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “Established in 1993, Western Environmental Corporation is an ISO 17025 accredited provider of environmentally controlled enclosure design, construction and certification services.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 17 | 12 contacts → | ||||
Exact match “Our Service Solutions include but are not limited to: • Cleanroom Cleaning, Disinfection & Decontamination • Post-Construction & Clean-Build Cleanroom Cleaning • Full service…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 18 | 12 contacts → | ||||
Exact match “Specializes in EMC testing and approvals for FCC and CE Mark compliance under the Electromagnetic Compatibility Directive.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 19 | 11 contacts → | ||||
Exact match “Reytek has over 20 years experience in cleanroom equipment design and manufacturing.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 20 | 10 contacts → | ||||
Exact match “LabMetrics is a premium service company that certifies and repairs biological safety cabinets, laminar flow hoods, fume hoods, clean rooms, and glovebox isolators.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 21 | 9 contacts → | ||||
Exact match “Full-service design and compliance engineering test laboratory performing areas of testing such as: Wireless (RF testing), Military (to standards such as MIL STD testing)…” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 22 | 9 contacts → | ||||
Exact match “Founded in 2004, we are a privately held consulting and certification company based in Allentown, PA.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 23 | 9 contacts → | ||||
Exact match “Protocol Management Services Inc.(PMSI) is a full service cleanroom protocol management company.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 24 | 9 contacts → | ||||
Exact match “Components are getting smaller and smaller, and OUR ELECTRONICS are playing a greater-than-ever role in our daily lives.” Recorded in the RevenueBase company graph · Oct 23, 2026 · View company records in RevenueBase | |||||
| 25 | 9 contacts → | ||||
Exact match “United Contamination Control, Inc.” Recorded in the RevenueBase company graph · Oct 23, 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 “cleanroom testing & certification services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 122 cleanroom testing & certification services based in the United States
See the full list, filter by size, metro and specialty, and access 341 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cleanroom testing & certification services based in the United States at a glance
As of Oct 23, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 122 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “cleanroom testing & certification 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 341 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 23, 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 “cleanroom testing & certification services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cleanroom testing & certification services are there based in the United States?
RevenueBase identified 122 company matches for cleanroom testing & certification services associated with the 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?
Azzur Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most cleanroom testing & certification services?
Minneapolis leads with 3 company records, followed by Albuquerque (2) and Ashburn (2).
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 341 professional contacts with verified work emails tracked across these 122 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 23, 2026.
Ready to reach these companies? Verified emails and direct dials for all 122 cleanroom testing & certification services based in the United States. Start with a free account, no credit card.
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Cleanroom testing & certification services by geography
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
- Cleanroom testing & certification services based in Germany
- Cleanroom testing & certification services based in India
- Cleanroom testing & certification services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
Company intelligence · public preview
Top 25 cleanroom testing & certification services based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 122 matching company records for cleanroom testing & certification services based in the United States, with 1,409 tracked contacts and 341 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: October 23, 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 cleanroom testing & certification services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Azzur Groupchrysalisgxp.comHQ: Burlington, MA, United StatesReported employees: 51-200 | Burlington, MA, United States | 51-200 | Exact match | 193 contacts → |
“Visit chrysalisgxp.com for GMP-ready cleanrooms and services.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Cleanspacecleanspaceus.comHQ: Fort Washington, PA, United StatesReported employees: 501-1,000 | Fort Washington, PA, United States | 501-1,000 | Exact match | 94 contacts → |
“CleanSpace – Concept Through Commercialization At CleanSpace, we don’t just build cleanrooms-we deliver operational readiness.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Advanced Cleanroom Microclean ACMadvancedcleanroom.comHQ: Santa Ana, CA, United StatesReported employees: 501-1,000 | Santa Ana, CA, United States | 501-1,000 | Exact match | 82 contacts → |
“Advanced Cleanroom Microclean is an ISO 9001:2015 certified cleanroom cleaning and facility service company.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Uniclean Cleanroom Servicesuniclean.comHQ: Maplewood, NJ, United StatesReported employees: 5,001-10,000 | Maplewood, NJ, United States | 5,001-10,000 | Exact match | 71 contacts → |
“Leading Supplier of specialty uniforms and services concentrating on contamination control for cleanroom environments including but not limited to sterile and non-sterile…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  VTI Life Sciencesvalidation.orgHQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 62 contacts → |
“VTI Life Sciences is an ISO Certified Company with the experience, expertise, and commitment to provide the superior service required to meet all of your validation and compliance…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Applus Keystonekeystonecompliance.com HQ: New Castle, PA, United StatesReported employees: 11-50 | New Castle, PA, United States | 11-50 | Exact match | 35 contacts → |
“Applus Keystone+ specializes in streamlining the burden of regulatory compliance testing.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Clean Rooms West LLCcleanroomswest.com HQ: Tustin, CA, United StatesReported employees: 11-50 | Tustin, CA, United States | 11-50 | Exact match | 28 contacts → |
“The Leader in Innovative Cleanroom Solutions Since 1990, Clean Rooms West has designed, built and installed thousands of cleanrooms for clients in diverse industries.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Vtg, LLCvanirtg.com HQ: Vancouver, NH, United StatesReported employees: 11-50 | Vancouver, NH, United States | 11-50 | Exact match | 23 contacts → |
“We are a Certified Women-Owned Business (WOB) and a NEBB Certified Firm specializing in Cleanroom Performance Testing.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  KNF Clean Room Products Corporationknfcorporation.comHQ: Tamaqua, PA, United StatesReported employees: 201-500 | Tamaqua, PA, United States | 201-500 | Exact match | 21 contacts → |
“KNF Clean Room Products Corporation is recognized as a premier provider of Flexible Clean Room Certified Packaging Products which are customized to meet our customers applications…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Nanoclean Decontamination Services, LLCnanocleandecon.com HQ: Quincy, MA, United StatesReported employees: 11-50 | Quincy, MA, United States | 11-50 | Exact match | 19 contacts → |
“nanoCLEAN is a cutting-edge, high technology, contamination control firm that provides Technical Cleaning, Protocol Training and Auditing services for cleanroom manufacturing…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Teknipureteknipure.comHQ: Mesa, AZ, United StatesReported employees: 51-200 | Mesa, AZ, United States | 51-200 | Exact match | 17 contacts → |
“Teknipure delivers high-performance cleanroom solutions designed to meet the strict cleanroom standards of the Pharmaceutical, Medical Device, Semiconductor, Aerospace and other…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Washington Laboratories, LTDwll.com HQ: Frederick, MD, United StatesReported employees: 11-50 | Frederick, MD, United States | 11-50 | Exact match | 17 contacts → |
“From Compliance Testing to Problem-solving to Approvals.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ncee Labsnceelabs.com HQ: Lincoln, NE, United StatesReported employees: 11-50 | Lincoln, NE, United States | 11-50 | Exact match | 15 contacts → |
“NCEE Labs, founded in 1998, provides FCC, CE, and worldwide EMC/wireless testing, Product Safety, Reliability, and X-Ray testing, as well as wireless certification to large and…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Sapphire Cleanrooms LLCsapphirecleanrooms.comHQ: Placentia, CA, United StatesReported employees: 51-200 | Placentia, CA, United States | 51-200 | Exact match | 15 contacts → |
“Sapphire Cleanrooms is a Cleanroom Equipment Supplier.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Critical Environments Professionalsceproinc.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 12 contacts → |
“The CEPro model is unique within the industry.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Western Environmental, A Division Of Controlled Environment Systems, LLCwesternenvironmental.com HQ: Springboro, OH, United StatesReported employees: 11-50 | Springboro, OH, United States | 11-50 | Exact match | 12 contacts → |
“Established in 1993, Western Environmental Corporation is an ISO 17025 accredited provider of environmentally controlled enclosure design, construction and certification services.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Cleantech Systems, INCcleantechsystems.netHQ: Danvers, MA, United StatesReported employees: 51-200 | Danvers, MA, United States | 51-200 | Exact match | 12 contacts → |
“Our Service Solutions include but are not limited to: • Cleanroom Cleaning, Disinfection & Decontamination • Post-Construction & Clean-Build Cleanroom Cleaning • Full service…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Compatible Electronics, INCcelectronics.com HQ: Lake Forest, CA, United StatesReported employees: 11-50 | Lake Forest, CA, United States | 11-50 | Exact match | 12 contacts → |
“Specializes in EMC testing and approvals for FCC and CE Mark compliance under the Electromagnetic Compatibility Directive.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Reytek Equipmentreytek.com HQ: Albuquerque, NM, United StatesReported employees: 11-50 | Albuquerque, NM, United States | 11-50 | Exact match | 11 contacts → |
“Reytek has over 20 years experience in cleanroom equipment design and manufacturing.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Labmetrics, INClabmetricsinc.com HQ: Burr Ridge, IL, United StatesReported employees: 1-10 | Burr Ridge, IL, United States | 1-10 | Exact match | 10 contacts → |
“LabMetrics is a premium service company that certifies and repairs biological safety cabinets, laminar flow hoods, fume hoods, clean rooms, and glovebox isolators.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Rhein Tech Laboratories, INCrheintech.com HQ: Herndon, VA, United StatesReported employees: 1-10 | Herndon, VA, United States | 1-10 | Exact match | 9 contacts → |
“Full-service design and compliance engineering test laboratory performing areas of testing such as: Wireless (RF testing), Military (to standards such as MIL STD testing)…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Controlled Environment Consulting LLCcenvironment.com HQ: Bethlehem, PA, United StatesReported employees: 1-10 | Bethlehem, PA, United States | 1-10 | Exact match | 9 contacts → |
“Founded in 2004, we are a privately held consulting and certification company based in Allentown, PA.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Protocol Management Services, LLCpmsiclean.com HQ: North Attleboro, MA, United StatesReported employees: 11-50 | North Attleboro, MA, United States | 11-50 | Exact match | 9 contacts → |
“Protocol Management Services Inc.(PMSI) is a full service cleanroom protocol management company.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Magnalytixmagnalytix.com HQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 9 contacts → |
“Components are getting smaller and smaller, and OUR ELECTRONICS are playing a greater-than-ever role in our daily lives.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | United Contamination Controluncc.com HQ: Langhorne, PA, United StatesReported employees: 11-50 | Langhorne, PA, United States | 11-50 | Exact match | 9 contacts → |
“United Contamination Control, Inc.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 122 company matches
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Cleanroom testing & certification services: dataset insights
October 23, 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
122 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 122 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 23, 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 cleanroom testing & certification 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 cleanroom testing & certification services did RevenueBase find based in the United States?
The saved snapshot records 122 matching company records, 1,409 tracked contacts and 341 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: October 23, 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
Cleanroom testing & certification services by geography
Cite this list
RevenueBase Data Team. Top 25 cleanroom testing & certification services based in the United States. Snapshot: October 23, 2026. https://revenuebase.ai/companies/cleanroom-testing-certification-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cleanroom testing & certification services based in Germany
- Cleanroom testing & certification services based in India
- Cleanroom testing & certification services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
Company intelligence · public preview
Top 25 cleanroom testing & certification services based in the United States
RevenueBase records 122 matching company records for cleanroom testing & certification services based in the United States, with 1,409 tracked contacts and 341 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: October 23, 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 cleanroom testing & certification services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Azzur Groupchrysalisgxp.com HQ: Burlington, MA, United StatesReported employees: 51-200 | Burlington, MA, United States | 51-200 | Exact match | 193 contacts → |
“Visit chrysalisgxp.com for GMP-ready cleanrooms and services.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Cleanspacecleanspaceus.com HQ: Fort Washington, PA, United StatesReported employees: 501-1,000 | Fort Washington, PA, United States | 501-1,000 | Exact match | 94 contacts → |
“CleanSpace – Concept Through Commercialization At CleanSpace, we don’t just build cleanrooms-we deliver operational readiness.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Advanced Cleanroom Microclean ACMadvancedcleanroom.com HQ: Santa Ana, CA, United StatesReported employees: 501-1,000 | Santa Ana, CA, United States | 501-1,000 | Exact match | 82 contacts → |
“Advanced Cleanroom Microclean is an ISO 9001:2015 certified cleanroom cleaning and facility service company.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Uniclean Cleanroom Servicesuniclean.com HQ: Maplewood, NJ, United StatesReported employees: 5,001-10,000 | Maplewood, NJ, United States | 5,001-10,000 | Exact match | 71 contacts → |
“Leading Supplier of specialty uniforms and services concentrating on contamination control for cleanroom environments including but not limited to sterile and non-sterile…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | VTI Life Sciencesvalidation.org HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 62 contacts → |
“VTI Life Sciences is an ISO Certified Company with the experience, expertise, and commitment to provide the superior service required to meet all of your validation and compliance…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Applus Keystonekeystonecompliance.com HQ: New Castle, PA, United StatesReported employees: 11-50 | New Castle, PA, United States | 11-50 | Exact match | 35 contacts → |
“Applus Keystone+ specializes in streamlining the burden of regulatory compliance testing.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Clean Rooms West LLCcleanroomswest.com HQ: Tustin, CA, United StatesReported employees: 11-50 | Tustin, CA, United States | 11-50 | Exact match | 28 contacts → |
“The Leader in Innovative Cleanroom Solutions Since 1990, Clean Rooms West has designed, built and installed thousands of cleanrooms for clients in diverse industries.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Vtg, LLCvanirtg.com HQ: Vancouver, NH, United StatesReported employees: 11-50 | Vancouver, NH, United States | 11-50 | Exact match | 23 contacts → |
“We are a Certified Women-Owned Business (WOB) and a NEBB Certified Firm specializing in Cleanroom Performance Testing.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | KNF Clean Room Products Corporationknfcorporation.com HQ: Tamaqua, PA, United StatesReported employees: 201-500 | Tamaqua, PA, United States | 201-500 | Exact match | 21 contacts → |
“KNF Clean Room Products Corporation is recognized as a premier provider of Flexible Clean Room Certified Packaging Products which are customized to meet our customers applications…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Nanoclean Decontamination Services, LLCnanocleandecon.com HQ: Quincy, MA, United StatesReported employees: 11-50 | Quincy, MA, United States | 11-50 | Exact match | 19 contacts → |
“nanoCLEAN is a cutting-edge, high technology, contamination control firm that provides Technical Cleaning, Protocol Training and Auditing services for cleanroom manufacturing…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Teknipureteknipure.com HQ: Mesa, AZ, United StatesReported employees: 51-200 | Mesa, AZ, United States | 51-200 | Exact match | 17 contacts → |
“Teknipure delivers high-performance cleanroom solutions designed to meet the strict cleanroom standards of the Pharmaceutical, Medical Device, Semiconductor, Aerospace and other…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Washington Laboratories, LTDwll.com HQ: Frederick, MD, United StatesReported employees: 11-50 | Frederick, MD, United States | 11-50 | Exact match | 17 contacts → |
“From Compliance Testing to Problem-solving to Approvals.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ncee Labsnceelabs.com HQ: Lincoln, NE, United StatesReported employees: 11-50 | Lincoln, NE, United States | 11-50 | Exact match | 15 contacts → |
“NCEE Labs, founded in 1998, provides FCC, CE, and worldwide EMC/wireless testing, Product Safety, Reliability, and X-Ray testing, as well as wireless certification to large and…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Sapphire Cleanrooms LLCsapphirecleanrooms.com HQ: Placentia, CA, United StatesReported employees: 51-200 | Placentia, CA, United States | 51-200 | Exact match | 15 contacts → |
“Sapphire Cleanrooms is a Cleanroom Equipment Supplier.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Critical Environments Professionalsceproinc.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 12 contacts → |
“The CEPro model is unique within the industry.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Western Environmental, A Division Of Controlled Environment Systems, LLCwesternenvironmental.com HQ: Springboro, OH, United StatesReported employees: 11-50 | Springboro, OH, United States | 11-50 | Exact match | 12 contacts → |
“Established in 1993, Western Environmental Corporation is an ISO 17025 accredited provider of environmentally controlled enclosure design, construction and certification services.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cleantech Systems, INCcleantechsystems.net HQ: Danvers, MA, United StatesReported employees: 51-200 | Danvers, MA, United States | 51-200 | Exact match | 12 contacts → |
“Our Service Solutions include but are not limited to: • Cleanroom Cleaning, Disinfection & Decontamination • Post-Construction & Clean-Build Cleanroom Cleaning • Full service…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Compatible Electronics, INCcelectronics.com HQ: Lake Forest, CA, United StatesReported employees: 11-50 | Lake Forest, CA, United States | 11-50 | Exact match | 12 contacts → |
“Specializes in EMC testing and approvals for FCC and CE Mark compliance under the Electromagnetic Compatibility Directive.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Reytek Equipmentreytek.com HQ: Albuquerque, NM, United StatesReported employees: 11-50 | Albuquerque, NM, United States | 11-50 | Exact match | 11 contacts → |
“Reytek has over 20 years experience in cleanroom equipment design and manufacturing.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Labmetrics, INClabmetricsinc.com HQ: Burr Ridge, IL, United StatesReported employees: 1-10 | Burr Ridge, IL, United States | 1-10 | Exact match | 10 contacts → |
“LabMetrics is a premium service company that certifies and repairs biological safety cabinets, laminar flow hoods, fume hoods, clean rooms, and glovebox isolators.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Rhein Tech Laboratories, INCrheintech.com HQ: Herndon, VA, United StatesReported employees: 1-10 | Herndon, VA, United States | 1-10 | Exact match | 9 contacts → |
“Full-service design and compliance engineering test laboratory performing areas of testing such as: Wireless (RF testing), Military (to standards such as MIL STD testing)…” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Controlled Environment Consulting LLCcenvironment.com HQ: Bethlehem, PA, United StatesReported employees: 1-10 | Bethlehem, PA, United States | 1-10 | Exact match | 9 contacts → |
“Founded in 2004, we are a privately held consulting and certification company based in Allentown, PA.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Protocol Management Services, LLCpmsiclean.com HQ: North Attleboro, MA, United StatesReported employees: 11-50 | North Attleboro, MA, United States | 11-50 | Exact match | 9 contacts → |
“Protocol Management Services Inc.(PMSI) is a full service cleanroom protocol management company.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Magnalytixmagnalytix.com HQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 9 contacts → |
“Components are getting smaller and smaller, and OUR ELECTRONICS are playing a greater-than-ever role in our daily lives.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | United Contamination Controluncc.com HQ: Langhorne, PA, United StatesReported employees: 11-50 | Langhorne, PA, United States | 11-50 | Exact match | 9 contacts → |
“United Contamination Control, Inc.” Recorded description excerpt · October 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 122 company matches
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Cleanroom testing & certification services: dataset insights
October 23, 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
122 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 122 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 23, 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 cleanroom testing & certification 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 cleanroom testing & certification services did RevenueBase find based in the United States?
The saved snapshot records 122 matching company records, 1,409 tracked contacts and 341 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: October 23, 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
Cleanroom testing & certification services by geography
Cite this list
RevenueBase Data Team. Top 25 cleanroom testing & certification services based in the United States. Snapshot: October 23, 2026. https://revenuebase.ai/companies/cleanroom-testing-certification-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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