List of Companies Using Slack

Prospecting companies using Slack? Here they are, biggest first, including TOMAH VA MEDICAL CENTER, TreePeople and VMock. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
174

$25K
$100M - $250M
174

$500K
$25M - $50M
174

$1B - $10B
174

$90K
$1M - $10M
174

$74M
$1M - $10M
174

$100M - $250M
173

$10M - $25M
173

$8.9M
$10M - $25M
173

$100M - $250M
173

Cyprus, Lemesós, Limassol
$25M - $50M
173

$10M - $25M
173

$50M - $100M
173

$50M - $100M
173

$63M
$100M - $250M
173

$250M - $500M
173

$72M
$50M - $100M
173

$1M - $10M
173

$150M
$250M - $500M
173

$295M
$50M - $100M
173

$100M - $250M
173

$41M
$10M - $25M
173

$1M - $10M
173

$100M - $250M
173

$115M
$10M - $25M
173

$25M - $50M
173

$140M
$100M - $250M
173

$250M - $500M
173

$190M
$250M - $500M
173

$1M - $10M
173

$100M - $250M
173

$100M - $250M
173

$152M
$100M - $250M
173

$1.1B
$100M - $250M
173

$25M - $50M
173

$36M
$100M - $250M
172

$25M - $50M
172

$50M - $100M
172

$1M - $10M
172

$2.4M
$1M - $10M
172

Portugal, Lisbon, Lisboa
$1M - $10M
172

$100M - $250M
172

Hungary, Budapest, Budapest
$10M - $25M
172

$500M - $1B
172

$1B - $10B
172

$50M - $100M
172

$99M
$10M - $25M
172

$195M
$50M - $100M
172

$641K
$100M - $250M
172

$209M
$100M - $250M
172

$1M - $10M
172

$50M - $100M
172

$50M - $100M
172

$100M - $250M
172

$1M - $10M
172

$658M
$50M - $100M
172

$10M - $25M
172

$100M - $250M
172

$100M - $250M
172

$100M - $250M
172

$100M - $250M
172

$10M - $25M
172

$265M
$100M - $250M
172

$10M - $25M
172

Austria, Vienna, Vienna
$67M
$1B - $10B
172

$69M
$50M - $100M
172

$1M - $10M
172

$1M - $10M
172

$10M - $25M
172

$100K
$10M - $25M
172

$50M - $100M
172

$325M
$25M - $50M
172

$100M - $250M
171

Poland
$50M - $100M
171

$10M - $25M
171

$58M
$25M - $50M
171

$250M - $500M
171

$100M - $250M
171

$53M
$50M - $100M
171

$68M
$1B - $10B
171

$500M - $1B
171

$1B - $10B
171

$25M - $50M
171

$30M
$25M - $50M
171

$100M - $250M
171

$1M - $10M
171

$50M
$100M - $250M
171

$10M - $25M
171

$100M - $250M
171

$10M - $25M
171

$1M - $10M
171

$2M
$25M - $50M
171

$100M - $250M
171

$1.5B
$100M - $250M
171

$25M - $50M
171

$3.2M
$25M - $50M
171

$50M - $100M
171

$9M
$10M - $25M
171

$525M
$1M - $10M
171

$500M - $1B
171

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 TOMAH VA MEDICAL CENTER, TreePeople and VMock.

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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