One of the major contractors for construction of OSP in San Antonio is TexStar Enterprise. 210-651-4105 or 656-8775
Others working in the area are
Cable Ventures,210-653-1672
Miller Technical, 210-494-7881
BA Enterprises, 210-657-1810
Sandstone Communications 210-212-7393
There are many others who so work for SBC and the Grande Communications that I could not find their numbers quickly hence I did not include them.