List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including OmniAccess, Pineapple and Procol. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
229
$31M
$100M - $250M
229
$17M
$50M - $100M
229
$32M
$10M - $25M
229
$250M - $500M
229
$79M
$100M - $250M
229
$15M
$100M - $250M
229
$10M - $25M
229
$3M
$25M - $50M
229
$164M
$100M - $250M
228
$100M - $250M
228
$100M - $250M
228
$37M
$10M - $25M
228
$45M
$100M - $250M
228
$50M - $100M
228
$294M
$25M - $50M
228
$3M
$500M - $1B
228
$50M - $100M
228
$100M - $250M
228
$100M - $250M
228
$21M
$100M - $250M
228
$50M - $100M
228
$100M - $250M
228
$100M - $250M
228
$961M
$100M - $250M
228
$1M - $10M
228
$1M - $10M
228
$2.5B
$100M - $250M
228
$10M - $25M
228
$100M - $250M
228
$50M - $100M
228
$250M - $500M
228
$250M - $500M
227
$1M - $10M
227
$1M - $10M
227
$25M - $50M
227
$25M - $50M
227
$20M
$10M - $25M
227
$987K
$50M - $100M
227
$1M - $10M
227
$50M - $100M
227
$118M
$250M - $500M
227
$250M - $500M
227
$116M
$50M - $100M
227
$100M - $250M
227
$1B - $10B
227
$250M - $500M
227
$25M - $50M
227
$215M
$250M - $500M
227
$1.6M
$100M - $250M
227
$250M - $500M
227
$100M - $250M
227
$18M
$100M - $250M
227
$100M - $250M
227
$1M - $10M
227
$1M - $10M
227
$100M - $250M
227
$1M - $10M
227
$176M
$100M - $250M
227
$4M
$100M - $250M
227
$10M - $25M
227
$1M - $10M
226
$250M - $500M
226
$3M
$1M - $10M
226
$16M
$10M - $25M
226
$34M
$25M - $50M
226
$10M - $25M
226
$25M - $50M
226
$100M - $250M
226
$162M
$100M - $250M
226
$100M - $250M
226
$500M - $1B
226
$100M - $250M
226
$185M
$500M - $1B
226
$267M
$250M - $500M
226
$25M - $50M
226
$528M
$100M - $250M
226
$25M - $50M
226
$100M - $250M
226
$222M
$10M - $25M
226
$500M - $1B
226
$710K
$250M - $500M
226
$25M - $50M
226
$56M
$50M - $100M
226
$64M
$100M - $250M
226
$284M
$50M - $100M
226
$250M - $500M
226
$10M - $25M
226
$138M
$10M - $25M
226
$100M - $250M
225
$106M
$100M - $250M
225
$250M - $500M
225
$100M - $250M
225
$250M - $500M
225
$1M - $10M
225
$50M - $100M
225
$10M - $25M
225
$56M
$1M - $10M
225
$130M
$100M - $250M
225
$100M - $250M
225
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 OmniAccess, Pineapple and Procol.
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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