List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Massachusetts Medical Society, Motivate LLC and Mount Vernon School. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$100M - $250M
393
$50M - $100M
393
$10M - $25M
393
$361M
$100M - $250M
393
$201M
$250M - $500M
393
$47M
$100M - $250M
393
$1M - $10M
393
$6.1M
$100M - $250M
393
$100M - $250M
393
$252M
$250M - $500M
392
$100M - $250M
392
$50M - $100M
392
$100M - $250M
392
$286M
$50M - $100M
392
$250M - $500M
392
$25M - $50M
392
$250M - $500M
392
$266M
$500M - $1B
392
$10M
$50M - $100M
392
$125M
$25M - $50M
392
$100M - $250M
392
$100M - $250M
392
$50M - $100M
392
$10M - $25M
392
$310M
$100M - $250M
392
$25M - $50M
391
$1B
$1B - $10B
391
$626M
$50M - $100M
391
$100M - $250M
391
$25M - $50M
391
$10M - $25M
391
$9.4M
$100M - $250M
391
$51M
$50M - $100M
391
$100M - $250M
391
$500M - $1B
391
$36M
$100M - $250M
391
$558M
$100M - $250M
391
$36M
$250M - $500M
391
$1B - $10B
391
$50M - $100M
391
$50M - $100M
391
$112M
$25M - $50M
391
$63M
$100M - $250M
390
$143M
$250M - $500M
390
$250M - $500M
390
$250M - $500M
390
$250M - $500M
390
$50M - $100M
390
$25M - $50M
390
$404M
$100M - $250M
389
$250M - $500M
389
$100M - $250M
389
$25M - $50M
389
$100M - $250M
389
$1M - $10M
389
$45M
$50M - $100M
389
$500M - $1B
389
$49M
$250M - $500M
389
$10M - $25M
389
$10M - $25M
389
$70M
$250M - $500M
389
$504M
$50M - $100M
389
$50M - $100M
389
$648M
$100M - $250M
389
$10M - $25M
389
$250M - $500M
389
$228M
$50M - $100M
388
$82M
$250M - $500M
388
$1M - $10M
388
$210M
$10M - $25M
388
$50M - $100M
388
$125K
$100M - $250M
388
$100M - $250M
388
$146M
$250M - $500M
387
$27M
$250M - $500M
387
$100M - $250M
387
$100M - $250M
387
$72M
$1B - $10B
387
$6.7M
$1M - $10M
387
$25M - $50M
387
$100M - $250M
386
$50M - $100M
386
$58M
$10M - $25M
386
$25M - $50M
386
$50M - $100M
386
$50M - $100M
386
$250M - $500M
386
$214M
$50M - $100M
386
$543M
$250M - $500M
386
$419M
$100M - $250M
386
$250M - $500M
386
$10M - $25M
386
$130M
$100M - $250M
386
$253M
$250M - $500M
386
$100M - $250M
386
$250K
$250M - $500M
386
$100M - $250M
385
$81M
$100M - $250M
385
$50M - $100M
385
$1B - $10B
385
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 Massachusetts Medical Society, Motivate LLC and Mount Vernon School.
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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