List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including GotPhoto.com | fotograf.de, Harold Grinspoon Foundation and Hirsh Industries, LLC. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
194
$3.5M
$100M - $250M
194
$100M - $250M
194
$250M - $500M
194
$1B - $10B
194
$100M - $250M
194
$43M
$500M - $1B
194
$1B - $10B
194
$1M - $10M
194
$25M - $50M
194
$1.4B
$100M - $250M
194
$25M - $50M
194
$250M - $500M
194
$50M - $100M
194
$25M - $50M
194
$25M - $50M
194
$84M
$100M - $250M
194
$25M - $50M
194
$100M - $250M
194
$87M
$100M - $250M
194
$331K
$100M - $250M
194
$1M - $10M
194
$1M - $10M
194
$1M - $10M
194
$128M
$50M - $100M
194
$100M - $250M
194
$99M
$25M - $50M
194
$95M
$25M - $50M
194
$21M
$50M - $100M
194
$41M
$250M - $500M
194
$1M - $10M
193
$14M
$100M - $250M
193
$100M - $250M
193
$25M - $50M
193
$269M
$100M - $250M
193
$50M - $100M
193
$47M
$50M - $100M
193
$1.3B
$50M - $100M
193
$10M - $25M
193
$41M
$50M - $100M
193
$50M - $100M
193
$4.3M
$1M - $10M
193
$10M - $25M
193
$5M
$10M - $25M
193
$10M - $25M
193
$10M
$25M - $50M
193
$25M - $50M
193
$25M - $50M
193
$50M - $100M
193
$100M - $250M
193
$107M
$250M - $500M
193
$833K
$10M - $25M
193
$1M - $10M
193
$1M - $10M
193
$50M - $100M
193
$35M
$100M - $250M
193
$100M - $250M
193
$25M - $50M
192
$500M - $1B
192
$120K
$25M - $50M
192
$210M
$100M - $250M
192
$1M - $10M
192
$25M - $50M
192
$10M - $25M
192
$1B - $10B
192
$100M - $250M
192
$100M - $250M
192
$19M
$100M - $250M
192
$100M - $250M
192
$50M - $100M
192
$100M - $250M
192
$71M
$50M - $100M
192
$10M - $25M
192
$50M - $100M
192
$1M - $10M
192
$100M - $250M
192
$100M - $250M
192
$381M
$50M - $100M
192
$77M
$50M - $100M
192
$1M - $10M
192
$1.1M
$50M - $100M
192
$114M
$50M - $100M
192
$84M
$100M - $250M
192
$50M - $100M
192
$773M
$100M - $250M
192
$250M - $500M
192
$95M
$250M - $500M
192
$1M - $10M
192
$15M
$500M - $1B
192
$1B - $10B
192
$100M - $250M
192
$25M - $50M
191
$100M - $250M
191
$19M
$10M - $25M
191
$1B - $10B
191
$50M - $100M
191
$1.5M
$250M - $500M
191
$10M - $25M
191
$117M
$100M - $250M
191
$25M - $50M
191
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 GotPhoto.com | fotograf.de, Harold Grinspoon Foundation and Hirsh Industries, LLC.
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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