The address or form that actually reaches a human at 315 companies, checked against each company's own site.
Most brands surface a chat widget and, if they publish an address at all, it is often for press or partnerships rather than customers. Every route below was read off the company's own site rather than copied from a directory.
Going quiet is the usual answer, not a no. We will write the letter free, with the right facts and one clear ask — no account. Or hand it over and we chase it under your name, and you pay only when it works.