List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Infinidat, Menlo Security Inc. and Public Trust. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$370M
$500M - $1B
509
$251M
$500M - $1B
509
$25M - $50M
509
$633M
$100M - $250M
508
$250M - $500M
508
$250M - $500M
508
$4.7B
$500M - $1B
508
$50M - $100M
508
$500M - $1B
508
$100M - $250M
508
$368M
$500M - $1B
508
$106M
$100M - $250M
507
$108M
$25M - $50M
507
$10M - $25M
507
$92M
$100M - $250M
507
$20M
$50M - $100M
507
$50M - $100M
507
$1B - $10B
507
$50M - $100M
507
$100M - $250M
507
$37M
$25M - $50M
507
$100M - $250M
506
$100M - $250M
506
$282M
$1B - $10B
506
$25M
$250M - $500M
506
$25M - $50M
506
$1B - $10B
506
$18M
$100M - $250M
506
$25M - $50M
506
$100M - $250M
506
$100M - $250M
506
$114M
$500M - $1B
506
$100M - $250M
506
$100M - $250M
505
$100M - $250M
505
$138M
$1B - $10B
505
$50M
$250M - $500M
505
$60M
$250M - $500M
505
$50M - $100M
505
$50M - $100M
505
$642M
$1B - $10B
505
$47M
$25M - $50M
504
$1.3B
$250M - $500M
504
$25M - $50M
504
$720M
$100M - $250M
504
$50M - $100M
503
$100M - $250M
503
$23M
$250M - $500M
503
$25M - $50M
503
$193M
$500M - $1B
503
$250M - $500M
503
$1B - $10B
503
$57M
$50M - $100M
502
$5.1M
$100M - $250M
502
$91M
$100M - $250M
502
$23M
$250M - $500M
502
$250M - $500M
502
$100M - $250M
501
$18M
501
$1M - $10M
501
$100M - $250M
501
$10M - $25M
501
$1M - $10M
501
$50M - $100M
501
$10M - $25M
501
$1M - $10M
501
$10M - $25M
501
$25M - $50M
501
<$1M
501
$100M - $250M
501
$100M - $250M
501
<$1M
501
$1M - $10M
501
501
$250M - $500M
501
$1M - $10M
501
$10M - $25M
501
$41M
$1B - $10B
501
<$1M
501
<$1M
501
$1M - $10M
501
$25M - $50M
501
$1M - $10M
501
$56M
$100M - $250M
501
$1M - $10M
501
<$1M
501
$1M - $10M
501
<$1M
501
$10M - $25M
501
<$1M
501
$25M - $50M
501
$1M - $10M
501
$1M - $10M
501
$500M - $1B
501
<$1M
501
$25M - $50M
501
<$1M
501
$1M - $10M
501
$1M - $10M
501
$10M - $25M
501
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 Infinidat, Menlo Security Inc. and Public Trust.
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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