List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including RentSpree, Rice Energy and Sixthman. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$28M
$100M - $250M
156
$100M - $250M
156
$100M - $250M
156
$250M - $500M
156
$250M - $500M
156
$1M - $10M
156
$7.5M
$100M - $250M
156
$25M - $50M
156
$1M - $10M
156
$100M - $250M
156
$100M - $250M
156
$48M
$100M - $250M
156
$22M
$25M - $50M
156
$185M
$25M - $50M
156
$75M
$10M - $25M
156
$50M - $100M
155
$43M
$50M - $100M
155
$51M
$100M - $250M
155
$2.8M
$10M - $25M
155
$50M - $100M
155
$31M
$1M - $10M
155
$50M - $100M
155
$100M - $250M
155
$4.7M
$100M - $250M
155
$53M
$1M - $10M
155
$1M - $10M
155
$1M - $10M
155
$100M - $250M
155
$49M
$1M - $10M
155
$19M
$1M - $10M
155
$28M
$50M - $100M
155
$1M - $10M
155
$50M - $100M
155
$10M - $25M
155
$25M - $50M
155
$100M - $250M
155
$100M - $250M
155
$50M - $100M
155
$49M
$25M - $50M
155
$10M - $25M
155
$5.3M
$1B - $10B
155
$50M - $100M
155
$250M - $500M
155
$1M - $10M
155
$27M
$1M - $10M
155
$10M - $25M
155
$100M - $250M
155
$1M - $10M
155
$25M - $50M
155
$137M
$100M - $250M
155
$1M - $10M
155
$10M - $25M
155
$25K
$1B - $10B
155
$300K
$50M - $100M
155
$8.9M
$10M - $25M
155
$749K
$10M - $25M
155
$1M - $10M
155
$1M - $10M
154
$103M
$50M - $100M
154
$41M
$25M - $50M
154
$10M - $25M
154
$1M - $10M
154
$125K
<$1M
154
$50M - $100M
154
$24M
$100M - $250M
154
$500M - $1B
154
$100M - $250M
154
$65M
$25M - $50M
154
$1M - $10M
154
$250M - $500M
154
$62M
$100M - $250M
154
$100M - $250M
154
$25M - $50M
154
$100M - $250M
154
$108M
<$1M
154
$250M - $500M
154
$58M
$25M - $50M
154
$50M
$25M - $50M
154
$47M
$50M - $100M
154
$1B - $10B
154
$1M - $10M
154
$50M - $100M
154
$25M - $50M
154
$50M - $100M
154
$727K
$1M - $10M
154
$44M
$100M - $250M
154
$50M - $100M
154
$10M - $25M
154
$10M - $25M
154
$1B - $10B
154
$50M - $100M
154
$25M - $50M
154
$25M - $50M
154
$1M - $10M
154
$94M
$100M - $250M
154
$50M - $100M
154
$10M - $25M
153
$100M - $250M
153
$50M - $100M
153
$10M - $25M
153
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 RentSpree, Rice Energy and Sixthman.
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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