Be careful who you sub from especially in the Dallas market. Here are the list of primes that I know of . See my comment next to them
Mastec good
Ervin unknown
Cable Com uknown
OkTex Inc good
GW Communications not good
Housely not recommended
GTI good
STC not good
BCom good
Broadband Resources good
DComm dont know
IES not recommended
Lonestar dont know
Anyone claiming to be a prime please verify before taking their word which happens a lot here.