List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including RecargaPay, VA Ann Arbor Healthcare System and Admirals. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$119M
$10M - $25M
553
$50M - $100M
553
$1B - $10B
552
$500M - $1B
552
$50M
$50M - $100M
552
$1.1B
$500M - $1B
551
$250M - $500M
551
$500M - $1B
551
$512M
$250M - $500M
551
$4.3B
$1B - $10B
551
$23M
$50M - $100M
551
$15M
$100M - $250M
551
$1B - $10B
551
$250M - $500M
550
$25M - $50M
550
$1B - $10B
550
$49M
$250M - $500M
550
$209M
$1B - $10B
550
$10M - $25M
550
$25M - $50M
550
$25M - $50M
550
$250M - $500M
549
$100M - $250M
549
$250M - $500M
549
$250M - $500M
549
$192M
$50M - $100M
549
$198M
$250M - $500M
549
$100M - $250M
548
$500M - $1B
548
$10M - $25M
548
$13M
$100M - $250M
548
$50M - $100M
548
$50M - $100M
548
$500M - $1B
548
$464M
$250M - $500M
548
$25M - $50M
548
$414M
$250M - $500M
548
$100M - $250M
548
$250M - $500M
548
$225M
$50M - $100M
548
$250M - $500M
547
$100M - $250M
547
$100M - $250M
547
$500M - $1B
547
$50M - $100M
547
$50M - $100M
547
$42M
$1M - $10M
547
$100M - $250M
547
$186M
$250M - $500M
546
$100M - $250M
546
$1M - $10M
546
$1B - $10B
546
$250M - $500M
546
$500M - $1B
545
$32M
$100M - $250M
545
$70M
$100M - $250M
545
$860M
$100M - $250M
545
$50M - $100M
545
$176M
$50M - $100M
545
$25K
$50M - $100M
544
$55M
$25M - $50M
544
$1B - $10B
544
$250M - $500M
544
$73M
$10M - $25M
544
$100M - $250M
544
$25M - $50M
544
$10M - $25M
543
$18M
$100M - $250M
543
$250M - $500M
543
$42M
$25M - $50M
542
$4.5M
$10M - $25M
542
$100K
$10M - $25M
542
$50M - $100M
542
$755M
$250M - $500M
542
$146M
$50M - $100M
542
$100M - $250M
542
$170M
$100M - $250M
541
$1B - $10B
541
$25M - $50M
541
$25M - $50M
541
$202M
$100M - $250M
540
$500M - $1B
540
$25M - $50M
540
$25M - $50M
540
$46M
$1M - $10M
540
$66M
$100M - $250M
540
$25M - $50M
539
$250M
$500M - $1B
539
$25M - $50M
539
$150M
$50M - $100M
539
$101M
$250M - $500M
539
$2.3B
$250M - $500M
539
$5.1B
$1B - $10B
538
$500M - $1B
538
$10M - $25M
538
$100M - $250M
538
$200M
$250M - $500M
538
$5M
$100M - $250M
538
$10M - $25M
538
$250M - $500M
537
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 RecargaPay, VA Ann Arbor Healthcare System and Admirals.
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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