List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including InterCare Community Health Network, Jeremiah Program and King County Sheriff's Office. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
225
$100K
$250M - $500M
225
$1M - $10M
225
$10M - $25M
225
$25M - $50M
225
$202M
$100M - $250M
225
$1M - $10M
225
$100M - $250M
225
$50M - $100M
225
$50M - $100M
225
$192M
$100M - $250M
225
$104M
$25M - $50M
224
$72M
$100M - $250M
224
$100M - $250M
224
$20M
$50M - $100M
224
$100M - $250M
224
$4.3M
$100M - $250M
224
$2.3M
$25M - $50M
224
$100M - $250M
224
$50M - $100M
224
$100M - $250M
224
$100M - $250M
224
$222M
$10M - $25M
224
$182M
$100M - $250M
224
$100M - $250M
224
$25M - $50M
224
$100M - $250M
224
$25M - $50M
224
$10M - $25M
224
$138M
$10M - $25M
224
$3M
$10M - $25M
224
$50M - $100M
224
$100M - $250M
223
$3M
$1M - $10M
223
$104M
$100M - $250M
223
$25M - $50M
223
$100M - $250M
223
$50M - $100M
223
$6.1M
$250M - $500M
223
$100M - $250M
223
$13M
$50M - $100M
223
$74M
$50M - $100M
223
$100M - $250M
223
$5.3M
$10M - $25M
223
$10M - $25M
223
$126M
$100M - $250M
223
$50M - $100M
223
$25M - $50M
223
$1.7B
$10M - $25M
223
$10M - $25M
223
$1B - $10B
223
$100M - $250M
223
$10M - $25M
223
$50M - $100M
223
$176M
$100M - $250M
223
$100M - $250M
222
$164M
$100M - $250M
222
$25M - $50M
222
$1M - $10M
222
$25M - $50M
222
$1M - $10M
222
$81M
$100M - $250M
222
$50M - $100M
222
$10M - $25M
222
$1M - $10M
222
$50M - $100M
222
$25M - $50M
222
$1M - $10M
222
$100M - $250M
222
$2.9M
$25M - $50M
222
$48M
<$1M
222
$20M
$10M - $25M
222
$10M - $25M
222
$8M
$50M - $100M
222
$134M
$100M - $250M
222
$86M
$10M - $25M
222
$25M - $50M
222
$17M
$1M - $10M
222
$250M - $500M
222
$275K
$25M - $50M
222
$250M - $500M
222
<$1M
222
$400K
$1M - $10M
222
$25M - $50M
222
$648M
$250M - $500M
222
$1M - $10M
222
$10M - $25M
222
$15M
$1M - $10M
221
$100M - $250M
221
$93M
$100M - $250M
221
$64M
$10M - $25M
221
$213M
$100M - $250M
221
$1M - $10M
221
$250M - $500M
221
$100M - $250M
221
$50M - $100M
221
$15M
$50M - $100M
221
$208M
$100M - $250M
221
$97M
$100M - $250M
221
$4.2M
$50M - $100M
221
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 InterCare Community Health Network, Jeremiah Program and King County Sheriff's Office.
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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