List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Five Star Technology Solutions, Flow Health and Formula Electric at Berkeley. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$22M
$50M - $100M
144
$580K
$1B - $10B
144
$250M - $500M
144
$100M - $250M
144
$25M - $50M
144
$50M - $100M
144
$10M - $25M
144
$34M
$1M - $10M
144
$50M
$50M - $100M
144
$100M - $250M
144
$50M - $100M
144
$87M
<$1M
144
$35M
$50M - $100M
144
$38M
$25M - $50M
144
$1M - $10M
144
$53M
$100M - $250M
144
$78M
$50M - $100M
144
$28M
$10M - $25M
144
$50M - $100M
144
$81M
$100M - $250M
144
$50M - $100M
144
$10M - $25M
144
$225M
$50M - $100M
144
$29M
$250M - $500M
144
$100M - $250M
144
$1B - $10B
144
$195M
$100M - $250M
144
$7M
$100M - $250M
144
$6M
$10M - $25M
144
$100M - $250M
143
$100M - $250M
143
$50M - $100M
143
$253M
$10M - $25M
143
$28M
$50M - $100M
143
$50M - $100M
143
$70M
$100M - $250M
143
$25M - $50M
143
$500M - $1B
143
$250M - $500M
143
$50M - $100M
143
<$1M
143
$1M - $10M
143
$100M - $250M
143
$264M
$50M - $100M
143
$50M - $100M
143
$10M - $25M
143
$55M
$250M - $500M
143
$71M
$100M - $250M
143
$1M - $10M
143
$129M
$100M - $250M
143
$100M - $250M
143
$5.2M
$10M - $25M
143
$1M - $10M
143
$50M - $100M
143
$500M - $1B
143
$25M - $50M
143
$10M - $25M
143
$100M - $250M
143
<$1M
143
$50M - $100M
143
<$1M
143
<$1M
143
$50M - $100M
143
$47M
$50M - $100M
143
$100M - $250M
143
$14M
$1B - $10B
143
$1M - $10M
143
$4.3M
$10M - $25M
143
$100M - $250M
143
$10M - $25M
143
$50M - $100M
143
$10M - $25M
143
$50M - $100M
143
$22M
$1M - $10M
143
$100M - $250M
143
$79M
$25M - $50M
143
$10M - $25M
143
$8.7M
$1M - $10M
143
$55M
$25M - $50M
143
$125M
$250M - $500M
143
$250M - $500M
143
$100M - $250M
143
$163M
$100M - $250M
143
$2.3B
$100M - $250M
143
$275K
$1M - $10M
143
$17M
$25M - $50M
143
$14M
$50M - $100M
143
$10M - $25M
143
$10M - $25M
143
$185M
$250M - $500M
143
$1M - $10M
143
$313M
$100M - $250M
142
$204M
$25M - $50M
142
$1M - $10M
142
$50M - $100M
142
$50M - $100M
142
$50M - $100M
142
$783K
$25M - $50M
142
$100M - $250M
142
$100M - $250M
142
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 Five Star Technology Solutions, Flow Health and Formula Electric at Berkeley.
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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