Finding Employee Contact Info in Niche Markets: Tips Needed

Hi fellow Clay users, I have a question. I work in a pretty niche market, and I often struggle to find employee contact details for the companies I’m targeting. In many cases, these businesses don’t have much public information available, and they’re not always on LinkedIn, especially places like restaurants, clubs, or local shops. I’ve found that using Google Maps works well for discovering businesses, or I use my own imported lists. But the challenge is finding valid contact information: email addresses, phone numbers, or even just the right person to reach out to. A lot of these businesses do have Instagram pages, which sometimes helps. Is anyone else dealing with a similar situation? And if so, do you have any tips, tools, or "waterfall" methods that work well for finding accurate contact info? Thanks in advance!