List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Tropicana Las Vegas: Final Farewell, Amex GBT Neo and Atlantic Casualty Insurance Co.. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$250M - $500M
340
$13M
$500M - $1B
339
$500M - $1B
339
$500M - $1B
339
$250M - $500M
339
$250M - $500M
339
$50M - $100M
339
$500M - $1B
339
$90M
$100M - $250M
339
$250M - $500M
339
$50M - $100M
339
$250M - $500M
339
$93M
$100M - $250M
339
$50M - $100M
339
$1M - $10M
338
$150M
$250M - $500M
338
$48K
$100M - $250M
338
$100M - $250M
338
$3.9B
$250M - $500M
338
$20M
$100M - $250M
338
$260M
$250M - $500M
338
$10M - $25M
338
<$1M
338
$273M
$10M - $25M
338
$25M
$100M - $250M
338
$136M
$100M - $250M
338
$1B - $10B
338
$10M - $25M
338
$145M
$100M - $250M
338
$100M - $250M
337
$232M
$100M - $250M
337
$313M
$250M - $500M
337
$29M
$25M - $50M
337
$163M
$100M - $250M
337
$25M - $50M
337
$10M - $25M
337
$16M
$100M - $250M
337
$100M - $250M
337
$767M
$50M - $100M
337
$50M - $100M
336
$107M
$500M - $1B
336
$37M
$25M - $50M
336
$50M - $100M
336
$50M - $100M
336
$25M
$1M - $10M
336
$50M - $100M
336
$10M - $25M
336
$10M - $25M
336
$177M
$250M - $500M
336
$100M - $250M
335
$225K
$100M - $250M
335
$25M - $50M
335
$1.6M
$250M - $500M
335
$25M - $50M
335
$50M - $100M
335
$250M - $500M
335
$13M
$50M - $100M
335
$50M - $100M
335
$50M - $100M
335
$1M - $10M
334
$296M
$500M - $1B
334
$1M - $10M
334
$1B - $10B
334
<$1M
334
$325M
$100M - $250M
334
$558M
$100M - $250M
334
$571M
$100M - $250M
334
$50M - $100M
334
$100M - $250M
334
$56M
$10M - $25M
334
$100M
$25M - $50M
334
$100M - $250M
334
$151M
$100M - $250M
334
$50M - $100M
334
$1B - $10B
334
$250M - $500M
333
$230M
$1B - $10B
333
$78M
$250M - $500M
333
$137M
$25M - $50M
333
$10M - $25M
333
$100M - $250M
333
$282M
$100M - $250M
333
$130K
$25M - $50M
333
$4.2M
$50M - $100M
333
$1M - $10M
333
$610M
$1B - $10B
333
$58M
$100M - $250M
333
$250M - $500M
333
$66M
$25M - $50M
332
$3.2M
$50M - $100M
332
$26M
$50M - $100M
332
$250M - $500M
332
$260M
$500M - $1B
332
$30M
$100M - $250M
332
$363M
$100M - $250M
332
$55M
$250M - $500M
332
$1B - $10B
332
$175M
$100M - $250M
332
$50M - $100M
332
$166M
$25M - $50M
331
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 Tropicana Las Vegas: Final Farewell, Amex GBT Neo and Atlantic Casualty Insurance Co..
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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