I need to have sister girder support beam installed in a brownstone next to the original. Can anyone who has had this work done make a recommendation of who to use and what a realistic price might be?

Here are some of the topics posted on the Forum today: Advice on Repair Original Parquet Floor? The Difference Between R6 and R6B Zoning? Replacing/Reinforcing Main Girder Beam? Strange Noises ...