List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including The University of Arizona Foundation, USACS and University at Albany College of Nanotechnology, Science, and Engineering (CNSE). Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1B - $10B
191
$50M - $100M
191
$833K
$10M - $25M
191
$1M - $10M
191
$189M
$1M - $10M
191
$233M
$25M - $50M
191
$50M - $100M
191
$100M - $250M
190
$10M - $25M
190
$50M - $100M
190
$10M - $25M
190
$1M - $10M
190
$50M - $100M
190
$1M - $10M
190
$100M - $250M
190
$500M - $1B
190
$41M
$50M - $100M
190
$258M
$100M - $250M
190
$277M
$50M - $100M
190
$100M - $250M
190
$100M - $250M
190
$1M - $10M
190
$1M - $10M
190
$100M - $250M
190
$100M - $250M
190
$57M
$25M - $50M
190
$1M - $10M
190
$50M - $100M
190
$29M
$1M - $10M
190
$1M - $10M
190
$50M - $100M
190
$50M - $100M
190
$1B - $10B
190
$50M - $100M
190
$25M - $50M
190
$1M - $10M
190
$8.4M
$1M - $10M
190
$386M
$50M - $100M
190
$25M - $50M
190
$30M
$50M - $100M
190
$41M
$250M - $500M
190
$66M
$100M - $250M
190
$500M - $1B
189
$19M
$10M - $25M
189
$250M - $500M
189
$50M - $100M
189
$25M - $50M
189
$62M
$100M - $250M
189
$100M - $250M
189
$25M - $50M
189
$50M - $100M
189
$626K
$1M - $10M
189
$50M - $100M
189
$100M - $250M
189
$12M
$100M - $250M
189
<$1M
189
$43M
$1B - $10B
189
$131M
$100M - $250M
189
$50M - $100M
189
$500M - $1B
189
$198M
$100M - $250M
189
$10M - $25M
189
$107M
$50M - $100M
189
$77M
$50M - $100M
189
$100M - $250M
189
$50M - $100M
189
$1B - $10B
189
$100M - $250M
189
$1M - $10M
189
$50M - $100M
189
$413K
$50M - $100M
189
$100M - $250M
189
$250M - $500M
189
$1M - $10M
189
$25M - $50M
189
$33M
$10M - $25M
189
$10M
$1M - $10M
189
$100M - $250M
189
$1B - $10B
188
<$1M
188
$39M
$500M - $1B
188
$120K
$25M - $50M
188
$100M - $250M
188
$127M
$50M - $100M
188
$126M
$500M - $1B
188
$30M
$100M - $250M
188
$453K
$50M - $100M
188
$100M - $250M
188
$100M - $250M
188
$135M
$25M - $50M
188
$50M - $100M
188
$1M
$25M - $50M
188
$100M - $250M
188
$100M - $250M
188
$40M
$100M - $250M
188
$478K
$10M - $25M
188
$25M - $50M
188
$9.3M
$100M - $250M
188
$1B - $10B
188
$43M
$500M - $1B
188
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 The University of Arizona Foundation, USACS and University at Albany College of Nanotechnology, Science, and Engineering (CNSE).
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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