List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including AmPhil, American Public University and Automox. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
203
$1M - $10M
203
$153M
$250M - $500M
203
$50M - $100M
203
$133M
$25M - $50M
203
$50M - $100M
203
$100M - $250M
203
$100K
$100M - $250M
203
$10M - $25M
203
$100M - $250M
203
$271M
$25M - $50M
203
$7.4M
$25M - $50M
203
$123M
$100M - $250M
203
$25M - $50M
203
$500M
$50M - $100M
203
$17M
$100M - $250M
203
$100M - $250M
203
$32M
$100M - $250M
203
$37M
$25M - $50M
203
$100M - $250M
203
$50M - $100M
203
$17M
$25M - $50M
203
$10M - $25M
203
$117M
$50M - $100M
203
$1M - $10M
203
$1M - $10M
203
$25M
$100M - $250M
203
$1B - $10B
202
$191M
$50M - $100M
202
$100M - $250M
202
$10M - $25M
202
$17M
$25M - $50M
202
$250M - $500M
202
$1B - $10B
202
$4M
$1B - $10B
202
$46M
$100M - $250M
202
$25M - $50M
202
$100M - $250M
202
$100M - $250M
202
$2.6M
$1M - $10M
202
$100M - $250M
202
$50M - $100M
202
$500M - $1B
202
$25M - $50M
202
$1B - $10B
202
$1M - $10M
202
$1M - $10M
202
$50M - $100M
202
$66M
$10M - $25M
202
$50M - $100M
202
$100M - $250M
202
$100M - $250M
202
$100M - $250M
202
$94M
$50M - $100M
202
$50M - $100M
202
$100M - $250M
202
$232M
$100M - $250M
202
$250M - $500M
202
$52M
$100M - $250M
202
$79M
$100M - $250M
202
$25M - $50M
202
$1M - $10M
202
$8.4M
$50M - $100M
202
<$1M
201
$10M - $25M
201
$50M - $100M
201
$10M - $25M
201
$100M - $250M
201
$1M - $10M
201
$10M - $25M
201
$73M
$10M - $25M
201
<$1M
201
$23M
$25M - $50M
201
<$1M
201
$10M - $25M
201
$50M - $100M
201
$1M - $10M
201
$25M - $50M
201
$100M - $250M
201
$1M - $10M
201
$1M - $10M
201
$10M - $25M
201
$201M
$100M - $250M
201
$100M - $250M
201
$1M - $10M
201
$1M - $10M
201
$500M - $1B
201
<$1M
201
$100M - $250M
201
$185M
$100M - $250M
201
<$1M
201
$50M - $100M
201
$10M - $25M
201
$10M - $25M
201
$1M - $10M
201
$100M - $250M
201
<$1M
201
$1M - $10M
201
$1M - $10M
201
$1M - $10M
201
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 AmPhil, American Public University and Automox.
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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