A breakdown of the 731 companies running Oracle TNS Listener.
Top industries
Information technology and services227
Education and training97
Media and telecommunications56
Industrial and manufacturing46
Professional and business services45
Government and public services33
Financial services28
Construction and building23
No industry recorded: 74
Company size
1–1075 (12%)
11–50131 (21%)
51–250174 (28%)
251–50062 (10%)
501–1,00051 (8%)
1,001–5,00075 (12%)
5,001–10,00019 (3%)
10,001+32 (5%)
Share of companies with a recorded size, by employees.
No size recorded: 112
Versions detected
10 versions across the confirmed companies. Counts are distinct companies seen running that version.
19.0.0.0.0110
11.2.0.1.084
11.2.0.2.059
21.0.0.0.057
11.2.0.4.055
12.1.0.2.052
12.2.0.1.050
10.2.0.1.040
18.0.0.0.024
10.2.0.3.020
One dataset. Four ways to sell.
Match the deepest technology intelligence against the most comprehensive data on companies and people – such as who is growing, raised capital or changed role – for pinpoint precision on GTM campaigns.
Competitor displacement
Find the accounts running a competitor today and go after them with the right argument.
Complementary tools
Target companies whose stack sits alongside yours and integrates without a fight.
Service partners
Identify implementers and agencies already working in the technologies you support.
Market insights
Map your total addressable market and track aggregated trends such as AI maturity.
Frequently asked questions
About the Oracle TNS Listener data on this page.
How many companies use Oracle TNS Listener?
Firmable holds confirmed Oracle TNS Listener detections for 731 distinct companies, 731 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Oracle TNS Listener?
Sentul City, PT Erlangga Edi Laboratories (ERELA) and Dermaster Clinic Indonesia are among the most prominent in the current set.
What industries use Oracle TNS Listener?
Information technology and services, education and training and media and telecommunications lead the set, across 19 industries in total.
What size companies use Oracle TNS Listener?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Oracle TNS Listener users based?
The United States, Australia, Canada and Indonesia account for most detections, across 13 countries.
How current is this data?
731 companies were confirmed in the last 90 days. Last detection 14 October 2026.
