List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Green Street, Tokio Marine HCC International and Amrock. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1B - $10B
796
$100M - $250M
796
$1B - $10B
795
$1.4B
$100M - $250M
795
$25M - $50M
795
$263M
$250M - $500M
795
$50M - $100M
795
$943M
$250M - $500M
795
$500M - $1B
794
$48M
$1B - $10B
793
$254M
$50M - $100M
793
$50M - $100M
793
$250M - $500M
792
$2.7B
$500M - $1B
792
$10M - $25M
792
$50M - $100M
792
$100M
$1B - $10B
791
$2M
$10M - $25M
791
$336M
$250M - $500M
791
$100M - $250M
791
$500M - $1B
791
$100M - $250M
791
$2.5B
$250M - $500M
790
$10M
$25M - $50M
790
$9.7M
$1B - $10B
790
$100M - $250M
790
$117M
$250M - $500M
790
$1M - $10M
789
$500M - $1B
789
$383M
$1B - $10B
789
$1B - $10B
789
$479M
$250M - $500M
789
$500M - $1B
789
$264K
$500M - $1B
788
$100M - $250M
788
$25M - $50M
788
$500M - $1B
787
$350M
$1B - $10B
787
$25M - $50M
786
$1M - $10M
785
$80M
$250M - $500M
785
$163M
$1B - $10B
785
$276M
$250M - $500M
784
$31M
$1B - $10B
784
$55M
$1B - $10B
783
$100M - $250M
783
$50M - $100M
782
$1.7M
$500M - $1B
782
$10M - $25M
782
$25M - $50M
781
$10B+
781
$448M
$500M - $1B
781
$10M - $25M
781
$1B - $10B
781
$100M - $250M
781
$58M
$50M - $100M
780
$5K
$100M - $250M
780
$1.1M
$25M - $50M
780
$1B - $10B
779
$24M
$25M - $50M
779
$500M - $1B
779
$186M
$50M - $100M
779
$345M
$250M - $500M
779
$50M - $100M
779
$500M - $1B
778
$112M
$1B - $10B
778
$1B - $10B
778
$25M - $50M
778
$891M
$250M - $500M
777
$10M - $25M
777
$100M - $250M
777
$100M - $250M
777
$1B - $10B
777
$87M
$250M - $500M
776
$267M
$100M - $250M
776
$1B - $10B
776
$250M - $500M
775
$422M
$1B - $10B
775
$10M - $25M
775
$162M
$1B - $10B
774
$500M
$100M - $250M
774
$100M - $250M
774
$25M - $50M
773
$250M - $500M
773
$1B - $10B
773
$500M - $1B
773
$100M - $250M
773
$1M - $10M
773
$1M
$25M - $50M
772
$500M - $1B
771
$48M
$500M - $1B
771
$500M - $1B
771
$303M
$500M - $1B
771
$97M
$25M - $50M
771
$496M
$10M - $25M
771
$97M
$1M - $10M
770
$500M - $1B
770
$100M - $250M
770
$10B+
770
$305M
$100M - $250M
770
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 Green Street, Tokio Marine HCC International and Amrock.
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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Top companies by employee count
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