List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Encore Boston Harbor, MoEngage and Wheaton College Massachusetts. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1B - $10B
948
$490M
$50M - $100M
948
$10M
$50M - $100M
948
$1B - $10B
947
$100M - $250M
947
$10M
$500M - $1B
947
$1B - $10B
946
$110M
$500M - $1B
946
$558M
$1B - $10B
946
$500M - $1B
945
$299M
$100M - $250M
944
$500M - $1B
944
$250M - $500M
943
$245M
$50M - $100M
943
$93M
$250M - $500M
943
$84M
$25M - $50M
943
$77M
$500M - $1B
942
$50M - $100M
942
$500M - $1B
942
$500M - $1B
942
$7.1M
$250M - $500M
941
$82M
$500M - $1B
941
$197M
$10B+
941
$1B - $10B
941
$120K
$250M - $500M
940
$42M
$1M - $10M
939
$121M
$500M - $1B
939
$127M
$100M - $250M
938
$100M - $250M
938
$82M
$10B+
938
$1B - $10B
938
$56M
$1M - $10M
938
$1B - $10B
938
$1B - $10B
938
$200M
$500M - $1B
937
$25M - $50M
937
$500M - $1B
936
$334M
$100M - $250M
936
$1B - $10B
936
$500M - $1B
936
$1B - $10B
936
$234M
$500M - $1B
936
$500M - $1B
935
$460M
$250M - $500M
935
$100M - $250M
935
$250M - $500M
935
$330M
$250M - $500M
935
$500M - $1B
935
$250M - $500M
935
$315M
$100M - $250M
934
$1M - $10M
934
$50M - $100M
934
$1B - $10B
934
$1B - $10B
933
$471M
$250M - $500M
933
$250M - $500M
932
$16M
$250M - $500M
932
$100M - $250M
932
$1M - $10M
932
$100M - $250M
932
$492M
$1B - $10B
932
$1B - $10B
931
$1B - $10B
931
$500M - $1B
931
$1M - $10M
930
$500M - $1B
930
$94M
$100M - $250M
929
$350K
$500M - $1B
929
$338M
$250M - $500M
929
$250M - $500M
928
$25M - $50M
928
$1B - $10B
927
$100M - $250M
927
$1B - $10B
927
$21M
$500M - $1B
927
$21M
$100M - $250M
927
$673M
$250M - $500M
926
$74M
$250M - $500M
926
$241M
$250M - $500M
926
$500M - $1B
924
$250M - $500M
924
$729M
$10M - $25M
924
$100M - $250M
924
$500M - $1B
923
$263M
$250M - $500M
922
$75M
$250M - $500M
921
$1B - $10B
921
$50M - $100M
921
$500M - $1B
921
$1B - $10B
920
$2.4B
$500M - $1B
920
$1B
$50M - $100M
919
$250M - $500M
919
$10M - $25M
919
$557M
$250M - $500M
918
$1B - $10B
918
$5.1M
$500M - $1B
918
$60M
$250M - $500M
917
$100M - $250M
917
$863M
$500M - $1B
917
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 Encore Boston Harbor, MoEngage and Wheaton College Massachusetts.
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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