Does anyone know how I could get accounts that have high number of outsourcing partners?

You can find companies with outsourcing partners using the PredictLeads integration in Clay. It finds business connections like vendors, customers, and partners for any company. [documentation Go to Add > search for "Find Connections" > enter a company domain > filter by connection types to focus on outsourcing relationships. This returns up to 30 recent connections plus the total available. Alternatively, try the Crossbeam integration which imports accounts based on partner overlaps if you're looking for ecosystem connections. [documentation