List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including National Air and Space Museum, Smithsonian Institution, SeQura and Texas Pipe & Supply. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
383
$577M
$25M - $50M
383
$250M - $500M
383
$68M
$1M - $10M
383
$50M - $100M
382
$900M
$100M - $250M
382
$15M
$1M - $10M
382
$173M
$10B+
382
$1B - $10B
382
$268M
$250M - $500M
382
$25M - $50M
382
$10M - $25M
382
$14M
$10M - $25M
381
$146M
$250M - $500M
381
$143M
$250M - $500M
381
$250M - $500M
381
$50M - $100M
381
$22M
$50M - $100M
381
$100M - $250M
381
$100M - $250M
381
$253M
$250M - $500M
381
$330M
$50M - $100M
381
$1B - $10B
381
$250M - $500M
381
$37M
$10M - $25M
380
$10M - $25M
380
$100M - $250M
380
$135M
$100M - $250M
380
$250M - $500M
380
$18M
$100M - $250M
380
$50M - $100M
380
$1M - $10M
380
$310M
$100M - $250M
380
$500M - $1B
379
$1M - $10M
379
$595M
$250M - $500M
379
$25M - $50M
379
$50M - $100M
379
$220M
$100M - $250M
379
$327M
$250M - $500M
379
$45M
$25M - $50M
379
$125M
$25M - $50M
379
$50M - $100M
379
$504M
$50M - $100M
379
$25M - $50M
379
$250M - $500M
378
$25M - $50M
378
$50M - $100M
378
$82M
$250M - $500M
378
$10M - $25M
378
$250M - $500M
378
$100M - $250M
378
$250M - $500M
378
$10M - $25M
378
$250M - $500M
378
$36M
$250M - $500M
378
$3M
$50M - $100M
378
$340M
$100M - $250M
378
$100M - $250M
378
$63M
$100M - $250M
377
$5M
$25M - $50M
377
$16M
$10M - $25M
377
$452M
$1B - $10B
377
$50M - $100M
377
$50M - $100M
377
$1M - $10M
377
$1.7B
$50M - $100M
377
$34M
$250M - $500M
377
$126M
$250M - $500M
377
$281M
$100M - $250M
376
$428M
$250M - $500M
376
$95M
$250M - $500M
376
$250M - $500M
376
$10M - $25M
376
$10M - $25M
376
$125K
$100M - $250M
376
$431M
$1B - $10B
376
$1B - $10B
376
$50M - $100M
376
$150M
$100M - $250M
376
$25M
$100M - $250M
376
$250M - $500M
376
$500M - $1B
376
$662M
$50M - $100M
376
$100M - $250M
376
$93M
$100M - $250M
376
$1.8M
$100M - $250M
376
$25M - $50M
375
$25M - $50M
375
$50M - $100M
375
$1M - $10M
375
$100M - $250M
375
$100M
$1M - $10M
375
$32M
$25M - $50M
375
$100M - $250M
375
$10M - $25M
374
$558M
$100M - $250M
374
$74M
$100M - $250M
374
$250M - $500M
374
$25M - $50M
374
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 National Air and Space Museum, Smithsonian Institution, SeQura and Texas Pipe & Supply.
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.
