List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Deepgram, Gameberry Labs and John Tyler Community College. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$216M
$100M - $250M
359
$10M - $25M
359
$10M - $25M
359
$1M - $10M
359
$25M - $50M
359
$245M
$100M - $250M
359
$36M
$50M - $100M
359
$25M - $50M
359
$727M
$50M - $100M
359
$250M - $500M
358
$315M
$100M - $250M
358
$15M
<$1M
358
$50M - $100M
358
$250M - $500M
358
$10M - $25M
358
$139M
$50M - $100M
358
$329M
$10M - $25M
358
$1M - $10M
358
$1.5M
$1M - $10M
358
$100M - $250M
358
$500M - $1B
358
$250M - $500M
358
$50M - $100M
358
$250M - $500M
357
$25M - $50M
357
$50M - $100M
357
$283M
$250M - $500M
357
$37M
$100M - $250M
357
$100M - $250M
357
$100M - $250M
357
$25M - $50M
357
$10M - $25M
357
$100M - $250M
357
$146M
$100M - $250M
357
$4.2M
$50M - $100M
357
$25M - $50M
357
$1M
$1B - $10B
357
$25M - $50M
357
$10M - $25M
357
$100M - $250M
357
$159M
$1M - $10M
357
$10M - $25M
357
$76M
$1B - $10B
356
$2.6M
$250M - $500M
356
$50M - $100M
356
$350M
$25M - $50M
356
$100M - $250M
356
$25M - $50M
356
$1B - $10B
356
$10M - $25M
356
$273M
$25M - $50M
356
$10M - $25M
356
$500M - $1B
355
$101M
$10M - $25M
355
$10M - $25M
355
$250M - $500M
355
$5.3M
$50M - $100M
355
$199M
$100M - $250M
355
$50M - $100M
355
$10M - $25M
355
$100M - $250M
355
$1M - $10M
355
$100M - $250M
355
$512M
$100M - $250M
355
$50M - $100M
355
$100M - $250M
355
$250M - $500M
355
$500M - $1B
355
$250M - $500M
355
$17M
$100M - $250M
355
$250M - $500M
355
$1M - $10M
354
$30M
$250M - $500M
354
$89M
$250M - $500M
354
$57M
$100M - $250M
354
$78M
$10M - $25M
354
$294M
$50M - $100M
354
$100M - $250M
354
$1.5B
$100M - $250M
354
$100M - $250M
354
$149M
$100M - $250M
354
$50M - $100M
354
$1B - $10B
354
$1.6M
$100M - $250M
354
$144M
$50M - $100M
353
$250M - $500M
353
$250M - $500M
353
$100M - $250M
353
$25M - $50M
353
$191M
$50M - $100M
353
$10M - $25M
353
$10M - $25M
353
$1B - $10B
353
$1B - $10B
353
$25M - $50M
353
$12M
$10M - $25M
353
$50M - $100M
353
$323M
$500M - $1B
353
$10M
$25M - $50M
353
$59M
$50M - $100M
353
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 Deepgram, Gameberry Labs and John Tyler Community College.
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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