List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including LastPass, Integration Innovation, Inc. and Texas A&M University System. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$250M - $500M
701
$9.7M
$100M - $250M
700
$50M - $100M
700
$100M - $250M
700
$174M
$250M - $500M
700
$250M - $500M
699
$25M - $50M
698
$77M
$25M - $50M
698
$100M - $250M
698
$100M - $250M
698
$502M
$500M - $1B
697
$10M - $25M
697
$28M
$500M - $1B
696
$250M - $500M
696
$765M
$500M - $1B
695
$50M - $100M
695
$100M - $250M
695
$29M
$500M - $1B
694
$25M - $50M
694
$250M - $500M
694
$1B - $10B
694
$10M - $25M
694
$500M - $1B
694
$27M
$100M - $250M
694
$211M
$500M - $1B
694
$397M
$100M - $250M
694
$500M - $1B
693
$500M - $1B
693
$100M - $250M
693
$100M - $250M
693
$25M - $50M
693
$100M - $250M
693
$250M - $500M
692
$250M - $500M
692
$1.2B
$500M - $1B
692
$250M - $500M
692
$250M - $500M
692
$347M
$1B - $10B
692
$1M - $10M
692
$276M
$25M - $50M
691
$25M - $50M
691
$237M
$1B - $10B
691
$250M - $500M
690
$59M
$10M - $25M
690
$1M - $10M
689
$500M - $1B
689
$1B - $10B
689
$11M
$50M - $100M
689
$500M - $1B
689
$25M - $50M
688
$93M
$500M - $1B
688
$25M - $50M
688
$25M - $50M
688
$1B+
687
$500M - $1B
687
$100M - $250M
687
$46M
$1M - $10M
687
$250M - $500M
686
$91M
$25M - $50M
686
$706M
$10M - $25M
686
$1B
$50M - $100M
686
$1B - $10B
686
$50M - $100M
685
$100M - $250M
685
$174M
$250M - $500M
685
$500M - $1B
684
$100M
$50M - $100M
684
$50M - $100M
684
$100M - $250M
684
$250M - $500M
684
$250M - $500M
683
$8.2M
$250M - $500M
683
$138M
$250M - $500M
683
$17M
$500M - $1B
683
$1B - $10B
683
$850K
$100M - $250M
683
$500M - $1B
683
$250M - $500M
683
$500M - $1B
683
$500M - $1B
683
$100M - $250M
682
$10M - $25M
682
$10M - $25M
682
$1B - $10B
682
$250M - $500M
682
$1M - $10M
682
$500M - $1B
682
$454M
$100M - $250M
682
$250M - $500M
682
$25M - $50M
681
$50M - $100M
681
$1B - $10B
681
$100M - $250M
681
$500M - $1B
681
$1M - $10M
680
$315M
$100M - $250M
680
$500M - $1B
680
$1B - $10B
680
$250M - $500M
680
$336M
$100M - $250M
680
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 LastPass, Integration Innovation, Inc. and Texas A&M University System.
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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