List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Jam City, The Weather Company and Union Pacific. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$652M
$500M - $1B
741
$500M - $1B
741
$250M - $500M
741
$69M
$100M - $250M
739
$250M - $500M
739
$1B - $10B
739
$250M - $500M
738
$892M
$1B - $10B
738
$100M - $250M
738
$100M - $250M
738
$125M
$50M - $100M
738
$76M
$100M - $250M
738
$1B - $10B
737
$107M
$250M - $500M
737
$25M - $50M
737
$25M - $50M
736
$500M - $1B
736
$100M - $250M
736
$1B - $10B
736
$815M
$250M - $500M
735
$100M - $250M
735
$324M
$250M - $500M
735
$164M
$250M - $500M
735
$25M - $50M
735
$25M - $50M
735
$25M - $50M
735
$100M
$500M - $1B
734
$25M - $50M
734
$500M - $1B
734
$250M
$100M - $250M
734
$500M - $1B
734
$301M
$100M - $250M
734
$100M - $250M
733
$100M - $250M
733
$136M
$250M - $500M
733
$149M
$500M - $1B
732
$500M - $1B
732
$250M - $500M
732
$250M - $500M
732
$1B - $10B
731
$500M - $1B
731
$218M
$25M - $50M
731
$100M
$500M - $1B
731
$100M - $250M
731
$500M - $1B
731
$21K
$25M - $50M
730
$186M
$50M - $100M
730
$1M - $10M
729
$500M - $1B
729
$1B - $10B
729
$500M - $1B
729
$1M - $10M
729
$50M - $100M
729
$50M - $100M
728
$1.2B
$500M - $1B
728
$491K
$25M - $50M
728
$250M - $500M
727
$633M
$250M - $500M
727
$1M - $10M
727
$250M - $500M
727
$500M - $1B
727
$25M - $50M
726
$6.8M
$500M - $1B
726
$100M - $250M
726
$500M - $1B
725
$10M - $25M
725
$100M - $250M
725
$470M
$100M - $250M
725
$500M - $1B
724
$5.5M
$500M - $1B
724
$500M - $1B
724
$865M
$1B - $10B
723
$10M - $25M
723
$250M - $500M
723
$60M
$250M - $500M
723
$25M
$250M - $500M
722
$100M - $250M
722
$100M - $250M
722
$1B - $10B
722
$100M - $250M
722
$99M
$50M - $100M
722
$10M - $25M
722
$36M
$100M - $250M
721
$39M
$250M - $500M
721
$397K
$250M - $500M
721
$25M - $50M
721
$1.1B
$1B - $10B
721
$170M
$250M - $500M
721
$50M - $100M
721
$25M - $50M
721
$100M - $250M
720
$224M
$500M - $1B
720
$1B - $10B
720
$10M - $25M
720
$1M - $10M
719
$500M - $1B
719
$100M - $250M
719
$25M - $50M
719
$36M
$250M - $500M
719
$229M
$500M - $1B
719
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 Jam City, The Weather Company and Union Pacific.
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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