According to their website, I only see two of their properties that they developed themselves:
This parking garage in Downtown Houston:
And this 170 unit apartment building in Midtown Houston:
It looks like most of their portfolio is office.
They also own Plaza West (the Bernstein Rein HQ), which they purchased about a year ago. Coincidentally, I just brought this up in a different thread yesterday, but the garage for that building looks like it may have been designed to be built on. It looks like there is already an elevator shaft constructed that goes 4 stories above the top of the garage. I wonder if there are any plans there.
There is also a good-sized vacant lot between the garage and the under construction Spring Hill Suites that is part of the same parcel as the tower and garage.