List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Luke Staffing, MetLife Legal Plans and Orbital. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$100M - $250M
303
$250M - $500M
303
$6.4M
$10M - $25M
303
$10M - $25M
303
$106M
$100M - $250M
303
$12M
$10M - $25M
303
$10M - $25M
303
$1M - $10M
303
$10M - $25M
303
$250M - $500M
302
$100M - $250M
302
$100M - $250M
302
$50M - $100M
302
$25M - $50M
302
$1B - $10B
302
$100M - $250M
302
$939M
$100M - $250M
302
$10M - $25M
302
$100M - $250M
302
$100M
$25M - $50M
302
$84M
$250M - $500M
302
$500M - $1B
302
$20M
$100M - $250M
302
$100M - $250M
302
$250M - $500M
302
$172M
$100M - $250M
302
$1.7B
$100M - $250M
302
$1M
$50M - $100M
301
$160M
$25M - $50M
301
$250M - $500M
301
$100M - $250M
301
$10M - $25M
301
$10M - $25M
301
$226M
$500M - $1B
301
$1.1B
$100M - $250M
301
$10M - $25M
301
$250M
$100M - $250M
301
$163M
$50M - $100M
300
$189M
$250M - $500M
300
$50M - $100M
300
$300K
$100M - $250M
300
$50M - $100M
300
$125M
$10M - $25M
300
<$1M
300
$100M - $250M
300
$50M - $100M
300
$12M
$100M - $250M
300
$10B+
300
$37M
$100M - $250M
300
$25M - $50M
300
$38M
$100M - $250M
300
$283M
$100M - $250M
300
$25M - $50M
300
$100M - $250M
300
$50M - $100M
300
$100M - $250M
299
$69M
$50M - $100M
299
$50M - $100M
299
$50M - $100M
299
$42M
$1B - $10B
299
$50M - $100M
299
$154M
$100M - $250M
299
$250M - $500M
299
$1.1M
$50M - $100M
299
$1.3M
$50M - $100M
299
$250M - $500M
299
$30M
$10M - $25M
299
$1M - $10M
298
$10M - $25M
298
$25M - $50M
298
$500M - $1B
298
$25M - $50M
298
$250M - $500M
298
$25M - $50M
298
$28M
$50M - $100M
298
$100M - $250M
298
$10M - $25M
298
$1M - $10M
298
$250M - $500M
298
$10M - $25M
298
$85M
$100M - $250M
298
$250M - $500M
297
$100M - $250M
297
$100M - $250M
297
$164M
$100M - $250M
297
$100M - $250M
297
$250M - $500M
297
$250M - $500M
297
$100M - $250M
297
$100M - $250M
297
$3.3M
$25M - $50M
297
$10M - $25M
297
<$1M
297
297
$100M - $250M
297
$371M
$500M - $1B
297
$112M
$100M - $250M
297
$250M - $500M
297
$10M
$250M - $500M
297
$50M - $100M
297
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 Luke Staffing, MetLife Legal Plans and Orbital.
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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