List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Indiana Army National Guard, Paradox and ProService Hawaii. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1B - $10B
419
$253M
$50M - $100M
419
$250M - $500M
419
$25M - $50M
419
$250M - $500M
419
$250M - $500M
419
$25M - $50M
419
$72M
$1B - $10B
419
$2M
$10M - $25M
419
$252M
$100M - $250M
418
$100M - $250M
418
$140M
$250M - $500M
418
$41M
$1M - $10M
418
$100M - $250M
418
$358M
$500M - $1B
418
$86M
$250M - $500M
418
$14M
$100M - $250M
418
$100M - $250M
418
$33M
$50M - $100M
418
$50M - $100M
418
$201M
$100M - $250M
418
$72M
$500M - $1B
418
$100M - $250M
417
$68M
$25M - $50M
417
$100M - $250M
417
$250M - $500M
417
$530M
$250M - $500M
417
$100M - $250M
417
$92M
$50M - $100M
417
$500M - $1B
417
$250M - $500M
417
$100M - $250M
417
$662M
$50M - $100M
417
$10M - $25M
416
$10M - $25M
416
$50M - $100M
416
$17M
$100M - $250M
416
$1B - $10B
416
$250M - $500M
416
$100M - $250M
416
$659M
$50M - $100M
416
$17M
$100M - $250M
416
$1M - $10M
416
$141M
$250M - $500M
416
$250M - $500M
416
$151M
$250M - $500M
416
$50M
$250M - $500M
416
$585M
$250M - $500M
415
$165M
<$1M
415
$10M - $25M
415
$11M
$50M - $100M
415
$16M
$1B - $10B
415
$500M - $1B
415
$100M - $250M
415
$82M
$100M - $250M
415
$35M
$100M - $250M
415
$250M - $500M
415
$10M - $25M
415
$250M - $500M
415
$13M
$100M - $250M
414
$40M
$1B - $10B
414
$1.5B
$100M - $250M
414
$100M - $250M
414
$1.1M
$50M - $100M
413
$16M
$10M - $25M
413
$250M - $500M
413
$25M - $50M
413
$10M - $25M
413
$10M - $25M
413
$1M - $10M
413
$25M - $50M
413
$66K
$50M - $100M
413
$500M - $1B
413
$9M
$1M - $10M
412
$1B - $10B
412
$100M - $250M
412
$10M - $25M
412
$55M
$50M - $100M
412
$500M - $1B
412
$1B - $10B
412
$13M
$100M - $250M
412
$165M
$100M - $250M
412
$1.1M
$250M - $500M
412
$100M - $250M
412
$1M - $10M
411
$100M - $250M
411
$25M - $50M
411
$25M - $50M
411
$25M - $50M
411
$622M
$100M - $250M
411
$238M
$250M - $500M
411
$500M - $1B
411
$93M
$100M - $250M
411
$175M
$500M - $1B
411
$100M - $250M
411
$4.8M
$250M - $500M
411
$74M
$100M - $250M
411
$100M - $250M
411
$100M - $250M
411
$50M - $100M
410
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 Indiana Army National Guard, Paradox and ProService Hawaii.
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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