C-Thru Sunrooms and The Building Company Review Knowlesville Posted on March 19, 2020 by MattNovember 14, 2021 The short story, don’t do business with either C-Thru Sunrooms, or their local contractor, John Mielke DBA The Building Company. For the long story, sit down, this is going to take awhile. This is an honest account of the construction …