List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including HCI Sports & Fitness, Harrison.ai Radiology and Hope Industrial Systems, Inc.. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
49
$1M - $10M
49
$50M - $100M
49
$25M
$10M - $25M
49
$25M - $50M
49
$25M - $50M
49
$50M - $100M
49
$5.3M
$1M - $10M
49
$25M - $50M
49
$25M - $50M
49
$10M - $25M
49
$50M - $100M
49
$1M - $10M
49
$21M
$25M - $50M
49
$32M
$1M - $10M
49
$6.8M
$1M - $10M
49
$36M
$25M - $50M
49
$25M - $50M
49
$10M - $25M
49
$8.4M
$1M - $10M
49
$36M
$250M - $500M
49
$1M - $10M
49
$25M - $50M
49
$25M - $50M
49
$25M - $50M
49
$22M
$1M - $10M
49
$2.2M
$1M - $10M
49
$1M - $10M
49
$39M
$1M - $10M
49
$2M
$25M - $50M
49
$145M
$250M - $500M
49
$1M - $10M
49
$48M
$500M - $1B
49
$100M - $250M
49
$1M - $10M
49
$5.2M
$10M - $25M
49
$3M
$10M - $25M
49
$25M - $50M
49
$10M - $25M
49
$250K
$10M - $25M
49
$1M - $10M
49
$50M - $100M
49
$1M - $10M
49
$10M - $25M
49
$1M - $10M
49
$100M - $250M
49
$40M
$25M - $50M
49
$20K
$25M - $50M
49
$1M - $10M
49
$25M - $50M
49
$25M - $50M
49
$3M
$25M - $50M
49
$13M
$1M - $10M
49
$27M
$25M - $50M
49
$11M
$1M - $10M
49
$18K
$1M - $10M
49
$25M - $50M
49
$20M
$25M - $50M
49
$50M - $100M
49
$1M - $10M
49
$25M - $50M
49
$100M - $250M
49
$17M
$10M - $25M
49
$10M - $25M
49
$4M
<$1M
49
$25M - $50M
49
$1M - $10M
49
$15M
$50M - $100M
49
$17M
$50M - $100M
49
$25M - $50M
49
$10M - $25M
49
$38M
$10M - $25M
49
$1M - $10M
49
$50M - $100M
49
$42M
$10M - $25M
49
$25M - $50M
49
$1M - $10M
49
<$1M
49
$25M - $50M
49
$13M
$10M - $25M
49
$27M
$25M - $50M
49
$10M - $25M
49
$25M - $50M
49
$7.4M
$1M - $10M
49
$1M - $10M
49
$51M
$50M - $100M
49
$10M - $25M
49
$1M - $10M
49
$67M
$10M - $25M
49
$40M
$25M - $50M
49
$10M - $25M
49
$15M
$10M - $25M
49
$10M - $25M
49
<$1M
49
$38M
$10M - $25M
48
$150K
$10M - $25M
48
$25M - $50M
48
$10M - $25M
48
$1M - $10M
48
$250M - $500M
48
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 HCI Sports & Fitness, Harrison.ai Radiology and Hope Industrial Systems, Inc..
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.
Search by Industry
ConstructionIT Services and IT ConsultingSoftware DevelopmentFinancial ServicesReal EstateHospitals and Health CareAdvertising ServicesNon-profit OrganizationsInsuranceLaw PracticeRetailWellness and Fitness ServicesBusiness Consulting and ServicesEducation Administration ProgramsMotor Vehicle ManufacturingTechnology, Information and InternetFood and Beverage ServicesStaffing and RecruitingAccountingOil and GasHospitalityAppliances, Electrical, and Electronics ManufacturingManufacturingArchitecture and PlanningMachinery Manufacturing
Search by Country
United StatesUnited KingdomCanadaGermanyAustraliaFranceNetherlandsIndiaSpainSwitzerlandItalySwedenBrazilBelgiumSingaporeIrelandUnited Arab EmiratesDenmarkSouth AfricaIsraelNew ZealandNorwayFinland
Search by Technology
Top companies by employee count
Top companies in United States by employee countTop companies in United Kingdom by employee countTop companies in Canada by employee countTop companies in Germany by employee countTop companies in France by employee countTop companies in Australia by employee countTop companies in Netherlands by employee countTop companies in India by employee countTop companies in Spain by employee countTop companies in Switzerland by employee countTop companies in Sweden by employee countTop companies in Italy by employee countTop companies in Denmark by employee countTop companies in Brazil by employee countTop companies in Ireland by employee count
1-888-653-2347 
support@leadiq.com © LeadIQ, Inc. All rights reserved.
