List of Companies Using Slack

Prospecting companies using Slack? Here they are, biggest first, including Infostretch, New York State Technology Enterprise Corporation (NYSTEC) and Skool. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
500

$500M - $1B
500

$100M - $250M
500

$50M - $100M
500

$50M - $100M
500

$50M - $100M
499

$23M
$250M - $500M
499

$100M - $250M
499

$49M
$10M - $25M
499

$100M - $250M
499

$481M
$100M - $250M
499

$10M - $25M
499

$50M - $100M
499

$100M - $250M
499

$10M - $25M
499

$50M - $100M
499

$500M - $1B
499

$91M
$100M - $250M
499

$55M
$100M - $250M
499

$25M - $50M
499

$250M - $500M
499

$1B - $10B
498

$25M - $50M
498

$179M
$1B - $10B
498

$100M - $250M
498

$640M
$250M - $500M
497

$250M - $500M
497

$100M - $250M
497

$250M - $500M
497

$25M - $50M
497

$20M
$100M - $250M
497

Cyprus, Lárnaka, Larnaca
$20M
$50M - $100M
497

$50M - $100M
497

$226M
$100M - $250M
497

$250M - $500M
496

$100M - $250M
496

$10M - $25M
496

$10M - $25M
496

$85M
$250M - $500M
496

$500M - $1B
496

$50M - $100M
496

$5.3M
$10M - $25M
495

$250M - $500M
495

$271M
$100M - $250M
495

Czech Republic, Prague, Prague
$25M - $50M
495

$251M
$500M - $1B
495

$5.1M
$100M - $250M
495

$100M - $250M
495

$100M - $250M
494

$25M - $50M
494

$193M
$500M - $1B
494

$4M
$100M - $250M
494

$720M
$100M - $250M
494

$50M - $100M
494

$10M - $25M
494

$250M - $500M
493

$356M
$100M - $250M
493

$803M
$250M - $500M
493

$10M - $25M
493

$250M - $500M
493

$1B - $10B
493

$25M - $50M
493

$4.7B
$500M - $1B
493

$3.3B
$50M - $100M
493

$17M
$500M - $1B
493

Japan, Tokio, Jingumae
$410M
$250M - $500M
493

$105M
$250M - $500M
493

$100M - $250M
492

$25M - $50M
492

$50M - $100M
492

$100M - $250M
492

$11M
$250M - $500M
492

Lithuania, Vilniaus Apskritis, Vilnius
$50M - $100M
492

$1B - $10B
492

Japan, Tokio, Roppongi Sumitomofudosanroppongigur
$423M
$250M - $500M
492

$45M
$100M - $250M
492

$100M - $250M
492

$15M
$250M - $500M
491

$115K
$100M - $250M
491

$250M - $500M
491

$416M
$250M - $500M
491

$50M - $100M
491

$250M - $500M
491

$338M
$500M - $1B
491

$100M - $250M
491

$50M - $100M
491

$250M - $500M
490

$100M - $250M
490

$100M - $250M
490

$50M - $100M
490

$50M - $100M
490

$292M
$50M - $100M
490

Latvia, Rīga, Riga
$1M - $10M
490

$100M - $250M
490

$73M
$100M - $250M
490

$10M - $25M
490

$500M - $1B
489

$100M - $250M
489

$25M - $50M
489

$32M
$50M - $100M
489

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 Infostretch, New York State Technology Enterprise Corporation (NYSTEC) and Skool.

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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