"excess Roth IRA contributions"

This is why it helps not to put your specific issue in someone else's topic.

Roth IRA is not an employer account under an employer plan. Are you sure this is what your taxpayer has?

"The 2nd company is going to issue 2 1099R's for next year"

Because your taxpayer has requested a corrective distribution? Perhaps from a Roth 401(k) account? Or, because the new employer has terminated the plan of the old employer?

And how old is your taxpayer? Is he still working there? Is there a new plan?

"but I also am struggling on how to report this on his 2023 return."

Did you follow the links I already provided in this topic?Also, are you using Proseries? This is the "tax talk" community, so it isn't clearly identified which program you are using.

"Hopefully they will get back to you so we both know."

This is not Customer Support. You are posting on a peer user community. There is a lot of help already provided in this topic. It would be a good place to start.

"Putting this out there to highlight the issue to a greater level for replies. They also told me that they do not think a revised w-2 will be issued."

If your taxpayer requested a corrective distribution by March 1, there should be a W2c issued.

Once you read up on the issue using resources already provided, you might start your own topic under the software you are using, to get a targeted group of end users to be specifically helpful to your issue.