Company lists · Data refreshed September 2026

Top 25 Modular cleanroom manufacturers based in the United States

RevenueBase identified 216 company matches for modular cleanroom manufacturers associated with the United States as of September 2026 and tracks 2,915 professional contacts across them, including 997 with verified work emails. Houston is the largest hub.

This list covers company matches for modular cleanroom manufacturers 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 September 30, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 30, 2026 How this list was built
216Companies
2,915Contacts tracked
997Verified emails
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The 25 largest modular cleanroom manufacturers based in the United States

Ranked by team size
Top 25 of 216 company matches for modular cleanroom manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBurlington, MA, United StatesHQ recorded Sep 30, 202651-200224 contacts →

Exact match

“Visit chrysalisgxp.com for GMP-ready cleanrooms and services.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2Exact matchMontgomeryville, PA, United StatesHQ recorded Sep 30, 2026201-500189 contacts →

Exact match

“The leader in Modular Cleanroom Systems AES is the leader in design, construction, and manufacture of modular cleanroom systems and custom cleanroom equipment for life science and…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3Exact matchFullerton, CA, United StatesHQ recorded Sep 30, 2026201-500107 contacts →

Exact match

“Terra Universal is the global leader of Critical Environment Solutions®.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4Exact matchFort Washington, PA, United StatesHQ recorded Sep 30, 2026501-1,00085 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 · Sep 30, 2026 · View company records in RevenueBase
5Exact matchRichmond, VA, United StatesHQ recorded Sep 30, 202651-20084 contacts →

Exact match

“AdvanceTEC is the leader in cleanroom design, construction, off-site prefabrication, and modularization.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6Exact matchSanta Ana, CA, United StatesHQ recorded Sep 30, 2026501-1,00082 contacts →

Exact match

“Advanced Cleanroom Microclean is an ISO 9001:2015 certified cleanroom cleaning and facility service company.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7Exact matchCollege Station, TX, United StatesHQ recorded Sep 30, 202651-20077 contacts →

Exact match

“G-CON Manufacturing, Inc.’s prefabricated, turnkey cleanroom systems represent a significant transition to forward thinking in pharmaceutical and biopharmaceutical processing.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8Exact matchSouth Whitley, IN, United StatesHQ recorded Sep 30, 202651-20072 contacts →

Exact match

“Whitley Manufacturing is one of the nation's leading manufacturers of custom commercial modular buildings serving an international clientele from Indiana and Washington.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9Exact matchSan Jose, CA, United StatesHQ recorded Sep 30, 202651-20070 contacts →

Exact match

“Founded in 1981 in San Jose, California, ICOM has provided The Silicon Valley and other important technology communities with the highest level of products and services for nearly…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10Exact matchEarth City, MO, United StatesHQ recorded Sep 30, 202651-20052 contacts →

Exact match

“Porta-King is the largest manufacturer of pre-engineered buildings used in the Industrial, Commercial, Security and Petroleum markets.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11Exact matchOrange, CA, United StatesHQ recorded Sep 30, 202651-20050 contacts →

Exact match

“Allied Modular has been an industry leader for over 35 years in high quality modular construction.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12Exact matchManteca, CA, United StatesHQ recorded Sep 30, 2026201-50049 contacts →

Exact match

“At American Modular Systems (AMS), we’re redefining what’s possible in modular design.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13Exact matchOrlando, FL, United StatesHQ recorded Sep 30, 2026201-50047 contacts →

Exact match

“Sterile Environment Technologies is a commercial datacenter cleaning, cleanroom cleaning, maintenance, products and services company, offering Nationwide service and specializing…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14Exact matchPhoenix, AZ, United StatesHQ recorded Sep 30, 20261,001-5,00045 contacts →

Exact match

“At Sunbelt, we specialize in the design, engineering, and manufacturing of custom modular buildings for a wide range of industries.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15Exact matchIndianapolis, IN, United StatesHQ recorded Sep 30, 202651-20044 contacts →

Exact match

“Modular Devices is the trusted solutions partner for healthcare, pharmaceutical, and life sciences teams, delivering fast, flexible, and reliable mobile and modular building…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16Exact matchPortland, OR, United StatesHQ recorded Sep 30, 202611-5039 contacts →

Exact match

“SLD Technology, Inc.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17Exact matchMaryland Heights, MO, United StatesHQ recorded Sep 30, 202611-5037 contacts →

Exact match

“Eliminate the chaos of construction with a Starrco pre-engineered modular system.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18Exact matchMount Holly, NC, United StatesHQ recorded Sep 30, 202611-5037 contacts →

Exact match

“BOXMAN Studios is one of America's leading manufacturers of Permanent Modular buildings, specializing in commercial and industrial structures servicing Hospitality, Retail, Food…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19Exact matchMinneapolis, MN, United StatesHQ recorded Sep 30, 202611-5033 contacts →

Exact match

“Clean Air Products, established in 1969, designs and manufactures standard, modified-standard and custom cleanroom systems, equipment and components for a broad range of…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20Exact matchTustin, CA, United StatesHQ recorded Sep 30, 202611-5032 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 · Sep 30, 2026 · View company records in RevenueBase
21Exact matchGoleta | Oxnard, CA, United StatesHQ recorded Sep 30, 202651-20026 contacts →

Exact match

“Full service mechanical contractor with a specialty emphasis on design-build cleanrooms, engineering, and project management.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22Exact matchHigh Point, NC, United StatesHQ recorded Sep 30, 202611-5022 contacts →

Exact match

“Durable, Modular, Flexible Casework Solutions Built for High-Performing Workspaces.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23Exact matchCanton, GA, United StatesHQ recorded Sep 30, 202611-5021 contacts →

Exact match

“Dagard USA, founded in 2006, is a subsidiary to Dagard France, established to provide professional local support to the US cleanroom market.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24Exact matchChesterfield, MO, United StatesHQ recorded Sep 30, 202611-5020 contacts →

Exact match

“As a leading manufacturer of modular building systems for interior applications, PortaFab's modular wall and ceiling systems are utilized for commercial applications in a…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25Exact matchSomerset, MA, United StatesHQ recorded Sep 30, 202611-5018 contacts →

Exact match

“Our In-Plant Environment Specialists will work with you to develop practical, cost-effective solutions that you and your employees can work with.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

Showing 25 of 216 modular cleanroom manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 997 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Modular cleanroom manufacturers based in the United States at a glance

As of Sep 30, 2026
34.2%Verified-email coverage
13.5Average contacts per company
11-50Median size (employees)
2.3%Largest-city concentration · Houston
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
76
11-50
87
51-200
38
201-500
10
501-1,000
2
1,001-5,000
3

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 216 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 “modular cleanroom manufacturers” 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 997 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 30, 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 “modular cleanroom manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many modular cleanroom manufacturers are there based in the United States?

RevenueBase identified 216 company matches for modular cleanroom manufacturers associated with the 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?

Azzur Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most modular cleanroom manufacturers?

Houston leads with 5 company records, followed by Orange (5) and Grand Rapids (4).

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 997 professional contacts with verified work emails tracked across these 216 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 30, 2026.

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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.