List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Exaprobe, Fabriq and Fairmarkit. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
146
$30M
$10M - $25M
146
$77M
$50M - $100M
146
$132M
$25M - $50M
146
$25M - $50M
146
$1.5M
$25M - $50M
146
$100M - $250M
146
$100M - $250M
146
$90M
$50M - $100M
146
$107M
$50M - $100M
146
$25M - $50M
146
$1M - $10M
146
$50M - $100M
146
$10M - $25M
146
$62M
$100M - $250M
146
$57M
$25M - $50M
146
$1M - $10M
146
$25M - $50M
146
$50M - $100M
146
$46M
$1M - $10M
146
$51M
$25M - $50M
146
$93M
$25M - $50M
146
$100M - $250M
146
$100M - $250M
146
$45M
$10M - $25M
146
$121M
$50M - $100M
146
$100M - $250M
146
$2.2M
$50M - $100M
146
$27M
$50M - $100M
146
$100M - $250M
146
$53M
$10M - $25M
146
$100M - $250M
146
$50M - $100M
146
$1B - $10B
146
$82M
$25M - $50M
146
$338M
$25M - $50M
146
$44M
$25M - $50M
146
$1M - $10M
146
$100M - $250M
145
$50M - $100M
145
$10M
$100M - $250M
145
$1M - $10M
145
$50K
$1B - $10B
145
$16M
$100M - $250M
145
$100M - $250M
145
$29M
$10M - $25M
145
$66M
$50M - $100M
145
$860M
$100M - $250M
145
$10M - $25M
145
$100M - $250M
145
$1M - $10M
145
$10M - $25M
145
$55M
$25M - $50M
145
$100M - $250M
145
$100M - $250M
145
$1M - $10M
145
$25M - $50M
145
$1M - $10M
145
$50M - $100M
145
$50M - $100M
145
$50M - $100M
145
$4M
$10M - $25M
145
$50M
$10M - $25M
145
$500M - $1B
145
$10M - $25M
145
$25M - $50M
145
$191M
$10M - $25M
145
$100M
$50M - $100M
145
$35M
$50M - $100M
145
$25M - $50M
145
$25M - $50M
145
$25M - $50M
145
$100M - $250M
145
$8.1M
$10M - $25M
145
$50M - $100M
145
$25M - $50M
145
$24M
$1M - $10M
145
$181M
$100M - $250M
145
$6.6M
$1M - $10M
145
$100M - $250M
145
$119M
$100M - $250M
145
$1M - $10M
145
$100M - $250M
145
$50M - $100M
145
$153M
$100M - $250M
145
$50M - $100M
145
$65M
$25M - $50M
145
$152M
$50M - $100M
145
$100M - $250M
145
$319M
$25M - $50M
144
$50M - $100M
144
$1M - $10M
144
$1.1M
$50M - $100M
144
$3M
$1M - $10M
144
<$1M
144
$10M - $25M
144
$6.8M
$1M - $10M
144
$50M - $100M
144
$100M - $250M
144
$29M
$1M - $10M
144
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 Exaprobe, Fabriq and Fairmarkit.
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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