List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including HiPay, IZEA and Lunar Energy. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$19M
$10M - $25M
261
$35M
$25M - $50M
261
$532M
$100M - $250M
261
$100M - $250M
261
$262M
$50M - $100M
261
$50M - $100M
261
$250M - $500M
261
$12M
$100M - $250M
261
$951K
$10M - $25M
261
$10M - $25M
261
$50M - $100M
261
$10M - $25M
261
$48M
$50M - $100M
261
$4.3M
$25M - $50M
261
$10M - $25M
261
$61M
$10M - $25M
261
$100M - $250M
260
$100M - $250M
260
$133M
$50M - $100M
260
$50M - $100M
260
$250M - $500M
260
$538M
$50M - $100M
260
$50M - $100M
260
$250K
$50M - $100M
260
$100M - $250M
260
$250M - $500M
260
<$1M
260
$500K
$250M - $500M
260
$500M - $1B
260
$9M
$50M - $100M
260
$10M - $25M
260
$120M
$500M - $1B
260
$87M
$100M - $250M
260
$100M
$25M - $50M
260
$100M - $250M
260
$12M
$10M - $25M
260
$25M - $50M
260
$250M - $500M
260
$100M - $250M
259
$250M - $500M
259
$1M - $10M
259
$25M - $50M
259
$100M - $250M
259
$341M
$100M - $250M
259
$157M
$10M - $25M
259
$614K
$1M - $10M
259
$50M - $100M
259
$95M
$10M - $25M
259
$1.5M
$25M - $50M
259
$10M - $25M
259
$50M - $100M
259
$250M - $500M
259
$1.4M
$100M - $250M
259
$1M - $10M
259
$100M - $250M
259
$265K
$1M - $10M
259
$53M
$10M - $25M
259
$100M - $250M
259
$743M
$100M - $250M
259
$25M - $50M
258
$1B - $10B
258
$26M
$250M - $500M
258
$250M - $500M
258
$250M - $500M
258
$50M - $100M
258
$10K
$25M - $50M
258
$28M
$1M - $10M
258
$250M - $500M
258
$3.7M
$100M - $250M
258
$50M
$100M - $250M
258
$100M - $250M
258
$24M
$100M - $250M
258
$500M - $1B
258
$250M - $500M
258
$50M - $100M
258
$100M - $250M
258
$50M - $100M
258
$250M - $500M
258
$100M - $250M
258
$25M - $50M
257
$25M - $50M
257
$250M - $500M
257
$875M
$100M - $250M
257
$5M
$1B - $10B
257
$6.3M
$10M - $25M
257
$100M - $250M
257
$73M
$100M - $250M
257
$350K
$500M - $1B
257
$25M - $50M
257
$64M
$50M - $100M
257
$112M
$100M - $250M
257
$10M - $25M
257
$10M - $25M
257
$100M - $250M
257
$50M - $100M
257
$250M - $500M
257
$105M
$100M - $250M
257
$10M - $25M
257
$1M - $10M
257
$250M - $500M
257
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 HiPay, IZEA and Lunar Energy.
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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