With a market like Mexico, you can start with Find Companies in Clay, but you'd like need to supplement your list by downloading/ scraping lists from Mexican/ North American industry associations, then import them into Clay. For lead generation, your best bet is to develop lead generation agents to deploy inside the 'Use AI' enrichment; we've found Sonnet & Opus models do a great job with lead generation in any market, regardless of whether the company or lead has a linkedin profile.