List of Companies Using Slack

Prospecting companies using Slack? Here they are, biggest first, including American Red Cross of North and Central Florida, Anti-Defamation League and Devexperts. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$500M - $1B
776

$500M - $1B
776

$10B+
776

$162M
$1B - $10B
776

$100M - $250M
776

$50M - $100M
776

$500M - $1B
775

$97M
$25M - $50M
775

$500M - $1B
775

$891M
$250M - $500M
774

$250M - $500M
774

$1B - $10B
774

$10B+
774

$250M - $500M
774

Ukraine
$50M - $100M
774

$1.1M
$25M - $50M
774

$250M - $500M
773

$500M - $1B
772

$254M
$50M - $100M
772

$250M - $500M
771

$1B - $10B
771

$50M - $100M
771

$500M - $1B
771

$100M
$500M - $1B
770

$100M - $250M
770

$865M
$50M - $100M
770

$1B - $10B
770

$100M - $250M
769

$1B - $10B
769

Hong Kong, Hong Kong Island, Chai Wan
$50M - $100M
768

$496M
$10M - $25M
768

$259M
$1B - $10B
767

$500M - $1B
767

$87M
$100M - $250M
767

$350M
$250M - $500M
767

$250M - $500M
766

$250M - $500M
766

$50M - $100M
765

$1B - $10B
765

$250M - $500M
764

$250M - $500M
764

$250M - $500M
764

$277M
$500M - $1B
764

$1B - $10B
764

$250M - $500M
763

$250M - $500M
763

$275M
$250M - $500M
762

$4.3B
$500M - $1B
762

$818M
$100M - $250M
762

$28M
$1B - $10B
761

$500M - $1B
761

$30M
$25M - $50M
761

$18M
$25M - $50M
761

$500M - $1B
761

$100M - $250M
761

$10M - $25M
761

$50M - $100M
761

$186M
$50M - $100M
760

$100M - $250M
759

$73M
$25M - $50M
759

$10B+
759

$33M
$250M - $500M
759

$500M - $1B
759

$100M - $250M
759

$500M - $1B
758

$250M - $500M
757

$9M
$25M - $50M
757

$25M - $50M
757

$1B - $10B
757

$250M - $500M
757

$100M - $250M
756

$303M
$500M - $1B
756

$1.6B
$1B - $10B
756

$514M
$500M - $1B
756

$250M - $500M
756

$892M
$1B - $10B
754

$11M
$25M - $50M
754

$50M - $100M
754

Pakistan, Islāmābād, Islamabad
$500M - $1B
754

$100M - $250M
754

$500M - $1B
754

$250M - $500M
754

$100M - $250M
752

$587M
$1B - $10B
752

$100M - $250M
752

$48M
$500M - $1B
751

Belarus, Minsk, Minsk
$100M - $250M
751

$104M
$50M - $100M
751

$200M
$250M - $500M
751

$250M - $500M
750

$470M
$100M - $250M
750

$1B - $10B
750

$500M - $1B
749

$324M
$250M - $500M
749

$100M - $250M
749

$323M
$250M - $500M
749

$500M - $1B
749

$326M
$10M - $25M
749

$500M - $1B
749

Bulgaria, Sofia-grad, Sofia
$1B - $10B
748

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 American Red Cross of North and Central Florida, Anti-Defamation League and Devexperts.

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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