B2B Sports Lead Generation

I need help building a clean, reliable list of B2B prospects in the sports industry. The core data I’m after is straightforward: accurate contact details for the key decision-maker at each company (name, role, direct email, phone, and website)... (Budget: €250 - €750 EUR, Jobs: B2B Marketing, Data Entry, Data Management, Excel, Lead Generation, Leads, Market Research, Web Search)