I've tested quite a few lead generation tools over the years because I needed something that worked for both recruiting and business development. The biggest lesson I learned is that having millions of contacts means very little if the information isn't accurate. I eventually settled on SignalHire for most of my searches because it combines verified emails, phone numbers, and public professional profiles in one place. I also used https://www.signalhire.com/companies/ravin-cables-limited-mumbai/email-format whenever I needed to confirm company email formats instead of guessing different address combinations. That alone has saved me a lot of time and reduced bounced emails during outreach campaigns. If you're comparing different platforms, I'd recommend testing a small batch of contacts first and checking the accuracy before committing to a larger subscription.