List of Companies Using Slack

Prospecting companies using Slack? Here they are, biggest first, including Flowers For Dreams, German American Chamber of Commerce, Inc. – GACC New York and InCrowd. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
Retail Florists
$100M - $250M
111

$25M - $50M
111

$2.4M
$10M - $25M
111

$1M - $10M
111

$50M - $100M
111

<$1M
111

$100M - $250M
111

$50M - $100M
111

$50M - $100M
111

$36M
$1M - $10M
111

$100M - $250M
111

$72M
$100M - $250M
111

$68M
$50M - $100M
111

$45M
$1M - $10M
111

$32M
$25M - $50M
111

$50M - $100M
111

$25M - $50M
111

$118M
$1M - $10M
111

$61M
$25M - $50M
111

$50M - $100M
111

$25M - $50M
111

$75M
$50M - $100M
111

$1M - $10M
111

Estonia, Tallinn
$100M - $250M
111

$100M - $250M
111

$50M - $100M
111

$1M - $10M
111

$17M
$10M - $25M
111

$1M - $10M
111

$50M - $100M
111

$15M
$25M - $50M
111

$50M - $100M
111

$100M - $250M
110

$1B - $10B
110

$181M
$100M - $250M
110

$50M - $100M
110

$23M
$100M - $250M
110

$14M
$50M - $100M
110

$100M - $250M
110

$100M
$50M - $100M
110

$59M
$50M - $100M
110

$87M
$50M - $100M
110

$22M
$50M - $100M
110

$95M
$50M - $100M
110

$1M - $10M
110

$45M
$1M - $10M
110

$83M
$25M - $50M
110

$371M
$10M - $25M
110

$189M
$10M - $25M
110

$250M - $500M
110

$16M
$10M - $25M
110

$1M - $10M
110

$100M - $250M
110

$57M
$100M - $250M
110

$11M
$250M - $500M
110

$50M - $100M
110

$3.1M
$25M - $50M
110

$86M
$100M - $250M
110

$1M - $10M
110

$50M - $100M
110

$50M - $100M
110

$40M
$50M - $100M
110

$1M - $10M
110

$50M - $100M
110

$138M
$10M - $25M
110

$10M - $25M
110

$2.3B
$50M - $100M
110

South Korea, 서울특별시, 서초구
$100M - $250M
110

$1M - $10M
110

$32M
$10M - $25M
110

$71M
$1M - $10M
110

$6.2M
$100M - $250M
110

$10M - $25M
110

$50M - $100M
110

$100M - $250M
110

$100M - $250M
110

$25M - $50M
110

$36M
$100M - $250M
110

$25M - $50M
110

<$1M
110

$25M - $50M
110

$46M
$10M - $25M
110

$1M - $10M
110

$100M - $250M
110

$1M - $10M
110

$10M - $25M
110

Japan, Tokyo
$25M - $50M
110

$25M - $50M
110

$34M
$10M - $25M
110

$1M - $10M
110

$10M - $25M
110

$30M
$1M - $10M
110

$10M - $25M
110

$215M
$10M - $25M
110

$1M
$10M - $25M
110

<$1M
109

$3.2M
$50M - $100M
109

$1M - $10M
109

$25M - $50M
109

$25M - $50M
109

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 Flowers For Dreams, German American Chamber of Commerce, Inc. – GACC New York and InCrowd.

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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