List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Transportation Insight, Allied Waste and Equifax Workforce Solutions. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$500M - $1B
831
$500M - $1B
830
$500M - $1B
830
$306M
$100M - $250M
830
$500M - $1B
829
$25M - $50M
829
$500M - $1B
829
$252M
$50M - $100M
829
$60M
$500M - $1B
829
$100M - $250M
829
$25M - $50M
828
$358M
$100M - $250M
828
$39M
$25M - $50M
828
$1B - $10B
828
$169M
$250M - $500M
828
$500M - $1B
828
$1M - $10M
828
$100M - $250M
828
$100M - $250M
827
$260M
$250M - $500M
826
$250M - $500M
826
$50M - $100M
825
$50M - $100M
825
$50M - $100M
825
$50M - $100M
825
$500M - $1B
824
$13B
$10M - $25M
824
$100M - $250M
823
$250M - $500M
823
$165M
$250M - $500M
823
$5M
$1B - $10B
823
$1B - $10B
822
$500M - $1B
822
$250M - $500M
822
$100M - $250M
822
$1B - $10B
822
$25M - $50M
821
$112M
$50M - $100M
821
$1M - $10M
821
$1.4M
$250M - $500M
820
$700M
$250M - $500M
820
$315M
$500M - $1B
819
$419M
$500M - $1B
819
$411M
$100M - $250M
819
$5M
$1B - $10B
819
$25M - $50M
819
$100M - $250M
818
$500M - $1B
818
$383M
$1B - $10B
818
$100M - $250M
818
$100M - $250M
817
$250M - $500M
817
$100M - $250M
817
$500M - $1B
816
$500M - $1B
816
$276M
$250M - $500M
816
$25M - $50M
816
$340M
$250M - $500M
816
$1B - $10B
816
$250M - $500M
815
$163M
$1B - $10B
815
$100M - $250M
815
$250M - $500M
815
$250M - $500M
815
$250M - $500M
814
$250M - $500M
814
$245M
$500M - $1B
814
$500M - $1B
814
$250M - $500M
814
$100M - $250M
814
$182M
$500M - $1B
814
$100M - $250M
813
$500M - $1B
813
$48M
$1B - $10B
812
$1B - $10B
812
$50M - $100M
812
$1B - $10B
812
$50M - $100M
812
$50M - $100M
811
$50M - $100M
811
$412M
$500M - $1B
810
$2M
$10M - $25M
810
$500M
$500M - $1B
810
$263M
$250M - $500M
810
$130M
$250M - $500M
810
$710M
$250M - $500M
810
$1B - $10B
810
$943M
$250M - $500M
810
$500M - $1B
809
$1B - $10B
809
$100M - $250M
809
$414M
$500M - $1B
809
$250M - $500M
808
$1.7B
$500M - $1B
808
$500M - $1B
808
$5M
$100M - $250M
808
$167M
$25M - $50M
807
$1B - $10B
807
$250M - $500M
807
$1M - $10M
806
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 Transportation Insight, Allied Waste and Equifax Workforce Solutions.
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
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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
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