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Companies using Slack
15,307 sites detectedUpdated October 2026
Showing 25 of 15,307 sites detectedScroll sideways for every column
| # | Company | Industry | Location | First seen | Also uses | Signals | Contacts |
|---|---|---|---|---|---|---|---|
| 1 | Healthcare & Life SciencesMedical DocumentationB2B · SaaS | New York, US | Apr 2026DNS TXT record | V  S  | HiringFree trialPricing page | ||
| 2 | HR & People TechEmployee Recognition & EngagementB2B · SaaS | Framingham, US | May 2026DNS TXT record | V A  S  | HiringPricing page | ||
| 3 | Professional ServicesWeb Design DevelopmentB2B · Services | San Francisco, US | Jun 2026DNS TXT record | S  A | Pricing page | ||
| 4 | Financial Services & FintechTreasury ManagementB2B · SaaS | Saint Helier, JE | May 2026DNS TXT record | S | Free trial | ||
| 5 | Education & LearningTrade TrainingB2B and B2C · Services | – | Apr 2026DNS TXT record | H  M  T  | – | ||
| 6 | Software & SaaSCustom Software DevelopmentB2B · Services | London, GB | Apr 2026DNS TXT record | H A  | – | ||
| 7 | Healthcare & Life SciencesPrimary and Urgent CareB2C | US | May 2026DNS TXT record | V S S | HiringFree trialPricing page | ||
| 8 | Software & SaaSCustom App DevelopmentB2B · Services | – | Sept 2026DNS TXT record | S A  | API docs | ||
| 9 | Financial Services & FintechTrading FirmB2B and B2C | – | Sept 2026DNS TXT record | S A  | – | ||
| 10 | Healthcare & Life SciencesBlood Donation ServicesB2B and B2C | US | Sept 2026DNS TXT record | F  W  L  | – | ||
| 11 | HR & People TechHR Decision MakingB2B · SaaS | – | May 2026DNS TXT record | S S D  | HiringFree trialPricing pageAPI docs | ||
| 12 | Operations & LogisticsEquipment RentalB2B and B2C · Ecommerce | Fort Mill, US | Apr 2026DNS TXT record | A  L | HiringPricing page | ||
| 13 | Healthcare & Life SciencesDrug DiscoveryB2B and B2C | US | Sept 2026DNS TXT record | M  S G  | Hiring | ||
| 14 | Financial Services & FintechInvestment ManagementB2B and B2C | – | Sept 2026DNS TXT record | A B  | HiringPricing page | ||
| 15 | Professional ServicesBusiness IncubationB2B · Services | Niagara Falls, CA | Apr 2026DNS TXT record | P  E  H  | – | ||
| 16 | Media & ContentSports TeamB2C | – | Apr 2026DNS TXT record | – | Pricing page | ||
| 17 | Healthcare & Life SciencesMedical DiagnosticsB2B | San Diego, US | Sept 2026DNS TXT record | – | Hiring | ||
| 18 | Developer Tools & InfrastructureWeb3 Wallet InfrastructureB2B · SaaS | Middletown, US | Sept 2026DNS TXT record | V | Pricing pageAPI docs | ||
| 19 | Financial Services & FintechCryptocurrency StakingB2B and B2C · SaaS | Grand Cayman, KY | May 2026DNS TXT record | B  | Hiring | ||
| 20 | CybersecurityCybersecurity servicesB2B · Services | VN | Apr 2026DNS TXT record | – | HiringFree trialPricing page | ||
| 21 | Software & SaaSCustomer SuccessB2B · SaaS | Tel Aviv, IL | Apr 2026DNS TXT record | – | – | ||
| 22 | Software & SaaSSaaS AdoptionB2B · SaaS | Tel Aviv, IL | Apr 2026DNS TXT record | – | – | ||
| 23 | Marketing & Sales TechPerformance Marketing AgencyB2B · Services | – | Apr 2026DNS TXT record | – | – | ||
| 24 | E-commerce & RetailFashion & ApparelB2C · Ecommerce | DE | Sept 2026DNS TXT record | S  Y  K  | – | ||
| 25 | E-commerce & RetailCross-border e-commerceB2C · Ecommerce | IT | Sept 2026DNS TXT record | S S | – |
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