List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Medgar Evers College of The City University of New York, National Wildlife Federation and Options Technology. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
682
$17M
$500M - $1B
682
$101M
$1B - $10B
682
$500M - $1B
681
$50M - $100M
681
$10M - $25M
681
$1B - $10B
681
$250M - $500M
681
$100M - $250M
681
$1M - $10M
680
$1.4B
$100M - $250M
680
$25M - $50M
680
$1B
$50M - $100M
680
$150M
$1B - $10B
680
$100M - $250M
680
$330M
$500M - $1B
679
$30M
$500M - $1B
679
$250M - $500M
679
$500M - $1B
679
$50M - $100M
679
$250M - $500M
678
$235M
$250M - $500M
678
$100M - $250M
678
$100M - $250M
678
$500M - $1B
678
$145M
$50M - $100M
677
$48M
$500M - $1B
677
$1.6B
$100M - $250M
677
$250M - $500M
677
$183M
$250M - $500M
677
$50M - $100M
677
$50M - $100M
676
$250M - $500M
676
$10M - $25M
676
$336M
$100M - $250M
676
$50M - $100M
676
$170M
$500M - $1B
676
$250M - $500M
676
$1B - $10B
675
$435M
$500M - $1B
675
$173M
$250M - $500M
675
$8.2M
$250M - $500M
675
$133M
$50M - $100M
675
$250M - $500M
675
$250M - $500M
675
$281M
$100M - $250M
675
$50M - $100M
674
$326M
$500M - $1B
674
$55M
$1B - $10B
673
$500M - $1B
673
$153M
$100M - $250M
673
$250M - $500M
673
$50M - $100M
673
$35M
$500M - $1B
673
$36M
$100M - $250M
672
$7.7M
$500M - $1B
672
$268M
$500M - $1B
671
$50M - $100M
671
$161M
$250M - $500M
671
$250M - $500M
671
$43K
$100M - $250M
671
$2.8B
$250M - $500M
670
$100M - $250M
670
$100M - $250M
670
$10M - $25M
669
$50M - $100M
669
$250M - $500M
669
$271M
$250M - $500M
669
$104M
$100M - $250M
669
$187M
$25M - $50M
669
$250M - $500M
669
$500M - $1B
669
$100M - $250M
668
$50M - $100M
668
$217M
$100M - $250M
668
$250M - $500M
668
$50M - $100M
667
$50M - $100M
667
$100M - $250M
667
$75M
$50M - $100M
667
$1B - $10B
666
$91M
$25M - $50M
666
$261M
$250M - $500M
666
$25M - $50M
666
$100M - $250M
666
$100M
$250M - $500M
665
$52M
$500M - $1B
665
$49M
$250M - $500M
665
$500M - $1B
665
$1B - $10B
664
$250M - $500M
664
$1B - $10B
664
$1.1B
$250M - $500M
664
$10M - $25M
664
$50M - $100M
663
$100M
$50M - $100M
663
$25M - $50M
663
$100M - $250M
663
$145M
$250M - $500M
663
$100M - $250M
663
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 Medgar Evers College of The City University of New York, National Wildlife Federation and Options Technology.
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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