List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including UST Xpanxion, Yellow Card and honeycomb.io. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
297
$90M
$50M - $100M
297
$149M
$100M - $250M
297
$602M
$250M - $500M
296
296
$100M - $250M
296
$7M
$10M - $25M
296
$250M - $500M
296
$44M
$50M - $100M
296
$990K
$10M - $25M
296
$221M
$250M - $500M
296
$25M - $50M
296
$33M
$250M - $500M
296
$100M - $250M
296
$204M
$50M - $100M
296
$50M - $100M
296
$10M - $25M
296
$4M
$1B - $10B
296
$1B - $10B
296
$20M
$10M - $25M
296
$100M - $250M
296
$168M
$250M - $500M
296
$50M - $100M
296
$25M - $50M
296
$100M - $250M
296
$135M
$100M - $250M
296
$10M - $25M
295
$500M - $1B
295
$10M - $25M
295
$25M - $50M
295
$25M - $50M
295
$150M
$100M - $250M
295
$45M
$25M - $50M
295
<$1M
295
$160M
$100M - $250M
295
$100M - $250M
295
$25M - $50M
295
$62M
$250M - $500M
295
$356M
$25M - $50M
295
$19M
$25M - $50M
295
$250M - $500M
295
$1.7M
$50M - $100M
295
$1B - $10B
295
$500M - $1B
295
$34M
$100M - $250M
295
$500M - $1B
295
$23M
$1B - $10B
295
$50M - $100M
295
$250M - $500M
295
$1M - $10M
294
$25M - $50M
294
$252M
$25M - $50M
294
$214M
$100M - $250M
294
$1.9M
$1M - $10M
294
$25M - $50M
294
$50M - $100M
294
$100M - $250M
294
$501M
$250M - $500M
294
$1B - $10B
294
$14M
$50M - $100M
294
$25M - $50M
294
$10M - $25M
294
$25M - $50M
294
$25M - $50M
294
$50M - $100M
294
$25M - $50M
294
$250M - $500M
294
$67M
$100M - $250M
294
$500M - $1B
294
$104M
$100M - $250M
294
$68M
$50M - $100M
294
$250M - $500M
293
$100M - $250M
293
$193M
$250M - $500M
293
$201K
$1M - $10M
293
$1M - $10M
293
$46M
$100M - $250M
293
$1B
$250M - $500M
293
$420K
$100M - $250M
293
$32M
$250M - $500M
293
$134M
$250M - $500M
293
<$1M
293
$67M
$250M - $500M
293
$1M - $10M
293
$142M
$100M - $250M
293
$50M - $100M
293
$50M - $100M
293
$222M
$100M - $250M
293
$66M
$250M - $500M
293
$1.6M
$1M - $10M
293
$110M
$250M - $500M
292
$50M - $100M
292
$50M - $100M
292
$25M - $50M
292
$100M - $250M
292
$2.5M
$25M - $50M
292
$47M
$25M - $50M
292
$16M
$250M - $500M
292
$50M - $100M
292
$127M
$250M - $500M
292
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 UST Xpanxion, Yellow Card and honeycomb.io.
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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