List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Stellar Cyber, University of Memphis, Center for Research in Educational Policy and University of Minnesota College of Continuing & Professional Studies. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$119M
$100M - $250M
149
$25M - $50M
149
$1M - $10M
149
$100M - $250M
149
$1M - $10M
149
$250M - $500M
149
$1M - $10M
149
$50M - $100M
149
$25M - $50M
148
$319M
$25M - $50M
148
$112M
$250M - $500M
148
$1M - $10M
148
$100M - $250M
148
$1M - $10M
148
$1M - $10M
148
$11M
$250M - $500M
148
$100M - $250M
148
$100M - $250M
148
$100M - $250M
148
$613M
$100M - $250M
148
$10M - $25M
148
$100M - $250M
148
$50M - $100M
148
$1M - $10M
148
$50M - $100M
148
$50M - $100M
148
$250M - $500M
148
$10M - $25M
148
$1M - $10M
148
$500M - $1B
148
$64M
$100M - $250M
148
$62M
$100M - $250M
148
$4.5M
$500M - $1B
148
$25M - $50M
148
$100M - $250M
148
$100M - $250M
148
$50M - $100M
148
$10M - $25M
148
$765M
$1B - $10B
148
$100M - $250M
148
$25M - $50M
148
$1M - $10M
148
$94M
$25M - $50M
148
$159M
$100M - $250M
148
$28M
$10M - $25M
148
<$1M
148
$345M
$10M - $25M
148
$50M - $100M
148
$74M
$50M - $100M
148
$7.5M
$1B - $10B
148
$250M - $500M
148
$100M - $250M
148
$100M - $250M
148
$5.8M
$50M - $100M
148
$1B - $10B
148
$25M - $50M
147
$70M
$25M - $50M
147
$100M - $250M
147
$1B - $10B
147
$100M - $250M
147
$25M - $50M
147
$35M
$10M - $25M
147
$25M - $50M
147
$25M - $50M
147
$29M
$10M - $25M
147
$50M - $100M
147
$100M - $250M
147
$1M - $10M
147
$25M - $50M
147
$77M
$50M - $100M
147
$50M - $100M
147
$132M
$25M - $50M
147
$100M - $250M
147
$10M - $25M
147
$100M - $250M
147
$82M
$10M - $25M
147
$1M - $10M
147
$500M - $1B
147
$100M - $250M
147
$5.3M
$50M - $100M
147
$50M - $100M
147
$1M - $10M
147
$100M - $250M
147
$25M - $50M
147
$100M - $250M
147
$50M - $100M
147
$67M
$25M - $50M
147
$16M
$100M - $250M
147
$50M - $100M
147
$10M - $25M
147
$144K
$100M - $250M
147
$10M - $25M
147
$25M - $50M
147
$29M
$250M - $500M
147
$153M
$100M - $250M
147
$79M
$50M - $100M
147
$10M
<$1M
147
$1M - $10M
147
$10M - $25M
147
$104M
$1M - $10M
147
About companies using Slack
Why target companies using Slack?
Slack is a Collaboration & productivity technology. The office suite, chat and project tools a company standardizes on decide which integrations and add-ons fit. Companies on the list include Stellar Cyber, University of Memphis, Center for Research in Educational Policy and University of Minnesota College of Continuing & Professional Studies.
Which industries use Slack the most?
Among companies using Slack on LeadIQ, the most common industries are Software Development, IT Services and IT Consulting, Financial Services, Technology, Information and Internet, Advertising Services and Higher Education. Narrow your list to the industry you sell into from there.
Where are companies using Slack located?
Companies using Slack are most often headquartered in the United States, the United Kingdom, Canada, France, Germany and Australia.
What other Collaboration & productivity technologies do companies use?
Prospecting the wider Collaboration & productivity space? Related technologies with their own company lists include Microsoft 365, Google Workspace, Microsoft SharePoint and Microsoft Teams.
How do I reach decision makers at companies using Slack?
Open a company to see its employee directory and email format, then use LeadIQ to get verified work emails and phone numbers for the people you want to reach and push them straight to your CRM or sequencer.
Insights based on LeadIQ data refreshed in September 2026.
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