Here is a response from Ideal on another thread that tells a lot on how they do it. I'm not saying they are al;l liek this, but I found this informative.
Hello all, This is Teri from Ideal. It was said earlier that we were not commenting for 'obvious' reasons. That is not the case. We do...
Since you are in Texas, I'd look at Ideal. I think any of the major hatcheries will work fine for this criteria, but since Ideal is probably the closest to you, shipping should be easier on the chicks.
Your criteria is absolutely reasonable.
1. Lays medium-large brown eggs relatively...