List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Upgaming, VA Eastern Colorado Health Care System and Waterford.org. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
374
$50M - $100M
374
$100M - $250M
374
$1B - $10B
374
$500M - $1B
374
$100M - $250M
373
$2.7B
$100M - $250M
373
$10M - $25M
373
$100M - $250M
373
$268M
$100M - $250M
373
$100M - $250M
373
$100M - $250M
373
$35M
$250M - $500M
373
$10M - $25M
373
$100M - $250M
373
$500M - $1B
373
$50M - $100M
373
$1B - $10B
373
$100M - $250M
373
$25M - $50M
373
$1M - $10M
372
$50M - $100M
372
$250M - $500M
372
$70M
$100M - $250M
372
$250M - $500M
372
$1M - $10M
372
$1M - $10M
372
$1M - $10M
372
$25M - $50M
372
$362M
$1B - $10B
372
$500M - $1B
372
$1.7M
$50M - $100M
372
$365M
$500M - $1B
372
$100M - $250M
372
$500M - $1B
372
$10M - $25M
372
$10M - $25M
372
$100M - $250M
372
$110M
$100M - $250M
371
$33M
$1M - $10M
371
$208M
$250M - $500M
371
$81M
$100M - $250M
371
$11M
$10M - $25M
371
$100M - $250M
371
$32M
$100M - $250M
371
$100M - $250M
371
$150K
$100M - $250M
371
$1B - $10B
371
$332M
$50M - $100M
371
$10M - $25M
371
$50M - $100M
371
$250M - $500M
371
$100M - $250M
371
$100M - $250M
370
$10M - $25M
370
$43M
$100M - $250M
370
$100M - $250M
370
$543M
$250M - $500M
370
$15M
$250M - $500M
370
$25M - $50M
370
$55M
$25M - $50M
370
$250M - $500M
370
$65M
$100M - $250M
370
$310M
$100M - $250M
370
$250M - $500M
370
$10M - $25M
369
$250M - $500M
369
$38M
$250M - $500M
369
$50M - $100M
369
$25M - $50M
369
$25M - $50M
369
$500M - $1B
369
$100M - $250M
369
$25M - $50M
369
$1.2M
$250M - $500M
369
$38M
$250M - $500M
369
$250M - $500M
369
$250M - $500M
369
$100M - $250M
369
$25M - $50M
369
$50M
$25M - $50M
369
$50M - $100M
369
$50M - $100M
369
$100M - $250M
368
$50M - $100M
368
$100M - $250M
368
$250M - $500M
368
$202M
$100M - $250M
368
$100M - $250M
368
$25M - $50M
368
$18M
$50M - $100M
368
$25M - $50M
368
$97M
$100M - $250M
368
$250M - $500M
368
$100M - $250M
368
$142M
$1B - $10B
367
$30M
$50M - $100M
367
$201M
$500M - $1B
367
$105M
$250M - $500M
367
$10M - $25M
367
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 Upgaming, VA Eastern Colorado Health Care System and Waterford.org.
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.
