The 3 things I learned when I had my foundation repaired that shocked me: engineers first, contractors second
https://www.scribd.com/document/1037300275/3-Things-to-Know-Before-You-Choose-Foundation-Repairs-Near-Me-for-Your-Home-152721
The 3 things I learned when I had my foundation repaired that shocked me: engineers first, contractors second, and documentation is your only defense if anything goes wrong later.