Last seen 28 Aug 2026
The most recent date Firmable detected ListServ at this company.
Decision makers · 55 on fileSenior people on file at this company. Firmable holds their names, emails and mobiles.
Director of Technology Services & Information SecurityMobileEmail
Administrative Computing Information ManagerMobileEmail
Unlock names, emails and mobiles in the trial.
Signals Recent events at this company, such as a leadership change, funding or a new office.
Hired as athletic development and engagement officer · 29 Jul 2026
Sandburg invested into assets: Charger Center in the amount of $35M in Galesburg, Illinois, United States, Northern America, Americas on Aug 27th '26. · 27 Aug 2026
A breakdown of the 1.4K+ companies running ListServ.
Top industries
Education and training436
Not for profit188
Professional and business services177
Government and public services122
Health and wellness121
Art, sports and recreation85
Information technology and services63
Media and telecommunications43
No industry recorded: 67
Company size
1–1090 (7%)
11–50226 (17%)
51–250356 (27%)
251–500167 (12%)
501–1,00081 (6%)
1,001–5,000207 (15%)
5,001–10,00086 (6%)
10,001+130 (10%)
Share of companies with a recorded size, by employees.
No size recorded: 108
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Frequently asked questions
About the ListServ data on this page.
How many companies use ListServ?
Firmable holds confirmed ListServ detections for 1,451 distinct companies, 188 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use ListServ?
Etherio, CASES and UnidosUS (@WeAreUnidosUS) are among the most prominent in the current set.
What industries use ListServ?
Education and training, not for profit and professional and business services lead the set, across 19 industries in total.
What size companies use ListServ?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are ListServ users based?
The United States, Canada, Australia and Indonesia account for most detections, across 13 countries.
How current is this data?
188 companies were confirmed in the last 90 days. Last detection 13 September 2026.
