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4B+
Observations captured every day, across DNS records, public service scans and websites.
75,317
Technologies tracked, each matched to the companies running them and who to call.
Companies using Clean Catalog
Showing 5 of 143 companies
MassHousing
masshousing.com · Hospitals and healthcare facilities · 251–500 employees · 1 web property observed
Last seen 4 Oct 2026
The most recent date Firmable detected Clean Catalog at this company.
Decision makers · 142 on fileSenior people on file at this company. Firmable holds their names, emails and mobiles.
System & Technology Manager - HomeOwnershipMobileEmail
Manager of Design & ConstructionMobileEmail
Unlock names, emails and mobiles in the trial.
Signals Recent events at this company, such as a leadership change, funding or a new office.
MassHousing invests into assets: affordable housing project in the amount of $41M in Swampscott, Massachusetts, United States, Northern America, Americas. · 10 Sep 2026
Greylock Federal Credit Union partnered with MassHousing on Sep 1st '26. · 1 Sep 2026
A breakdown of the 143 companies running Clean Catalog.
Top industries
Education and training111
Health and wellness10
Professional and business services6
Financial services3
Art, sports and recreation2
Government and public services2
Wholesale2
Construction and building1
No industry recorded: 2
Company size
1–102 (1%)
11–507 (5%)
51–25020 (15%)
251–50046 (34%)
501–1,00024 (18%)
1,001–5,00032 (23%)
5,001–10,0005 (4%)
10,001+1 (1%)
Share of companies with a recorded size, by employees.
No size recorded: 6
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Frequently asked questions
About the Clean Catalog data on this page.
How many companies use Clean Catalog?
Firmable holds confirmed Clean Catalog detections for 143 distinct companies, 143 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Clean Catalog?
MassHousing, Bethany College and Lyon College are among the most prominent in the current set.
What industries use Clean Catalog?
Education and training, health and wellness and professional and business services lead the set, across 15 industries in total.
What size companies use Clean Catalog?
Adoption concentrates in the 251-500 employee band, across the companies whose size is recorded.
Where are Clean Catalog users based?
The United States, Australia, Canada and Indonesia account for most detections, across 13 countries.
How current is this data?
143 companies were confirmed in the last 90 days. Last detection 13 October 2026.
