List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including NCH Marketing Solutions, Nylas and Old Dominion Realty. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
113
$175M
$25M - $50M
113
$100M - $250M
113
$30M
$50M - $100M
113
$100M - $250M
113
$38M
$25M - $50M
113
$10M - $25M
113
$692K
$50M - $100M
113
$1M - $10M
113
$1M - $10M
113
$100M - $250M
113
$25M - $50M
113
$12M
<$1M
113
$25M - $50M
113
$250M - $500M
113
$100M - $250M
113
$1M - $10M
113
$100M - $250M
113
$38M
$1M - $10M
113
$116M
$100M - $250M
113
$100M - $250M
113
$10M - $25M
112
$100K
$1M - $10M
112
$25M - $50M
112
$84M
$100M - $250M
112
$46M
$10M - $25M
112
$10M - $25M
112
$25M - $50M
112
$100M - $250M
112
$25M - $50M
112
$50M - $100M
112
$14M
$25M - $50M
112
$2.5M
$1M - $10M
112
$81M
$25M - $50M
112
$21M
$25M - $50M
112
$100M - $250M
112
$100M - $250M
112
$10M - $25M
112
$1M - $10M
112
$250M - $500M
112
$100M - $250M
112
$50M - $100M
112
$25M - $50M
112
$25M - $50M
112
$500M - $1B
112
$10M - $25M
112
$50M - $100M
112
$1M - $10M
112
$100M - $250M
112
$62M
$50M - $100M
112
$50M - $100M
112
$50M - $100M
112
$50M - $100M
112
$16M
$25M - $50M
112
$1B - $10B
112
$50M - $100M
112
$25M - $50M
112
$446K
$50M - $100M
112
$100M - $250M
112
$12M
$50M - $100M
112
$50M - $100M
112
$1M - $10M
112
$50M - $100M
112
$344M
$50M - $100M
112
$50M - $100M
112
$177M
$50M - $100M
112
$19M
$100M - $250M
112
$6.2M
$100M - $250M
112
$50M - $100M
112
$100M - $250M
112
$1M - $10M
112
$100M - $250M
112
$1M - $10M
112
$50M - $100M
112
$104M
$100M - $250M
112
$50M - $100M
112
$1.2B
$25M - $50M
112
$10M - $25M
112
$25M - $50M
112
$25M - $50M
112
$25M - $50M
112
$150M
$1B - $10B
112
$1M - $10M
112
$17M
$10M - $25M
112
$100M - $250M
112
$215M
$10M - $25M
112
<$1M
111
$1B - $10B
111
$100M - $250M
111
$16M
$10M - $25M
111
$100M - $250M
111
$10M - $25M
111
$25M - $50M
111
$100M - $250M
111
$25M - $50M
111
$50M - $100M
111
$1M - $10M
111
$95M
$50M - $100M
111
$500M - $1B
111
$25M - $50M
111
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 NCH Marketing Solutions, Nylas and Old Dominion Realty.
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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