I haven't heard of one in Houston. You would think there would be with all the work around there. I did have one that was in Louisiana but the link is dead. The two that I’m familiar with are
American Friction Welding Inc and Spinweld Inc. I know American is in Wisconsin and think Spinweld is also.
They were quite a few people in it a one time but I haven’t seen much activity other than seeing a few parts that have been friction welded.
OK, I was hoping that you could use the resources for FSW to use in searching for cylindrical Friction welding as well. Here is what I was able to find:
Here are some additional vendors you may wish to contact, including one in Texas: Drill Pipe Industries, Inc. Texarkana, TX