[TX] How to serve an apartment complex when manager is evasive

I am filing a claim against an apartment complex for something that happened in 2023. They have since changed management companies, so the names and email addresses I had before no longer work.

I’ve been calling the main office and tried their “live chat” text system, but they’re ignoring both. They did this a lot when I was a resident too. Even visits to the office were met with hostility and lies. How can I get this information so I can file the claim and get them served?

Is the current manager’s name even necessary if they weren’t the one there in 2023? Can any office rep be served?