A breakdown of the 844 companies running Reply.io.
Top industries
Information technology and services290
Professional and business services198
Financial services95
Industrial and manufacturing32
Media and telecommunications31
Education and training27
Art, sports and recreation19
Construction and building18
No industry recorded: 75
Company size
1–10194 (25%)
11–50241 (32%)
51–250223 (29%)
251–50043 (6%)
501–1,00032 (4%)
1,001–5,00023 (3%)
5,001–10,0006 (1%)
10,001+3 (<1%)
Share of companies with a recorded size, by employees.
No size recorded: 79
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 Reply.io data on this page.
How many companies use Reply.io?
Firmable holds confirmed Reply.io detections for 844 distinct companies, 430 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Reply.io?
CesiumAstro, Bloom Nutrition and OfficeSpace Software are among the most prominent in the current set.
What industries use Reply.io?
Information technology and services, professional and business services and financial services lead the set, across 19 industries in total.
What size companies use Reply.io?
Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.
Where are Reply.io users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
430 companies were confirmed in the last 90 days. Last detection 13 October 2026.
