Targeted B2B Email List Needed

I’m running a new set of marketing campaigns and need a fresh, accurate email database built exclusively for B2B outreach. Every address must belong to decision-makers or key influencers in companies operating within the Technology, Healthcare, and Finance sectors... (Budget: $250 - $750 USD, Jobs: B2B Marketing, Data Collection, Data Entry, Email Marketing, Excel, Lead Generation, Market Research, Web Search)