I know that TGB/STYRUD did trenching for water and electricity on residential plots sometimes.. people in Stockholm often build on a rock, so I do believe they also work for small clients as well as on larger tunnel projects..
And there were those who were not averse to unusual ideas either,
How about a borehole with a flagpole in it, which you can lower or raise with water pressure...
And there were those who were not averse to unusual ideas either,
How about a borehole with a flagpole in it, which you can lower or raise with water pressure...
The thread died in 2010 and I completely missed it. I started a similar thread yesterday, so I'm obviously wondering; how did it go? 
Did you end up with a mountain garage? What did you find out?
Did you end up with a mountain garage? What did you find out?