Sam,
Jose Luis Santos is located in Montellano Pto Pta but will come out and custom cut the glass for you. Or you can pick it up.
Cel: 829-537-1282, 829-677-0551, 809-574-9205.
I have used him, he is expensive but unlike others I tried he is good and reliable. Negotiate the price first of course.
Mack.