List of Companies Using Slack

Prospecting companies using Slack? Here they are, biggest first, including Aira, Ambrosia and American Red Cross Los Angeles Region. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$36M
$100M - $250M
172

$50M - $100M
172

$10M - $25M
172

$50M - $100M
172

$10M - $25M
172

$53M
$50M - $100M
172

$1M - $10M
172

$250M - $500M
172

$500M - $1B
172

$38K
$1M - $10M
172

$51M
$50M - $100M
172

$100M - $250M
172

<$1M
172

$10M - $25M
172

$296M
$50M - $100M
172

$641K
$100M - $250M
172

$143M
$250M - $500M
172

$1B - $10B
172

$50M - $100M
172

$75M
$100M - $250M
172

South Korea, Seoul, Gangnam-gu
$41M
$250M - $500M
172

$56M
$100M - $250M
172

$1B - $10B
172

$20M
$50M - $100M
172

$10M - $25M
172

$1M - $10M
172

$4.4M
$100M - $250M
172

$100M - $250M
172

$50M - $100M
172

$1M - $10M
172

$50M - $100M
172

$353M
$50M - $100M
172

$25M - $50M
172

$50M - $100M
172

$25K
$100M - $250M
172

$500K
$25M - $50M
172

$1M - $10M
172

<$1M
171

Poland
$50M - $100M
171

$25M - $50M
171

$283M
$25M - $50M
171

$32M
$10M - $25M
171

$2.4M
$1M - $10M
171

<$1M
171

$10M - $25M
171

$250M - $500M
171

$500M - $1B
171

$68M
$1B - $10B
171

$100M - $250M
171

$30M
$25M - $50M
171

$100M - $250M
171

$9.7M
$10M - $25M
171

$62M
$1M - $10M
171

Poland, Lower Silesian, Wrocław
$45M
$10M - $25M
171

$10M - $25M
171

$1M - $10M
171

$14M
$100M - $250M
171

$4.5M
$100M - $250M
171

$658M
$50M - $100M
171

$100M - $250M
171

$50M - $100M
171

$47M
$50M - $100M
171

$100M - $250M
171

$25M - $50M
171

$22M
$50M - $100M
171

$50M - $100M
171

$10M - $25M
171

$69M
$50M - $100M
171

$10M - $25M
171

$50M - $100M
171

$1B - $10B
171

$84M
$100M - $250M
171

$100M - $250M
170

$214M
$100M - $250M
170

$100M - $250M
170

$100M - $250M
170

$100M - $250M
170

$121M
$50M - $100M
170

$100M - $250M
170

$1M - $10M
170

$41M
$10M - $25M
170

$100M - $250M
170

$500M - $1B
170

$1M - $10M
170

$25M - $50M
170

$50M - $100M
170

$31M
$25M - $50M
170

$3.2M
$25M - $50M
170

$45M
$25M - $50M
170

$50M - $100M
170

$100M - $250M
170

$9M
$10M - $25M
170

$100M - $250M
170

$1M - $10M
170

$100M - $250M
170

$37M
$1M - $10M
170

$152M
$100M - $250M
170

$189M
$100M - $250M
170

<$1M
170

$10M - $25M
170

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 Aira, Ambrosia and American Red Cross Los Angeles Region.

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.

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.