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Unfortunaely when a company goes out of business you no longer have a warranty. I suggest contacting a structural engineer in your area to assess the foundation situation and make recommendations of contractors who can make the necessary repairs
Dennis Gehman
Gehman Design Remodeling
I'm a little late geting to the party, but are there any pictures of what;s going on? I agree with Dennis, but there are many reputable contractors that have great relationships with structural engineers, and can work together to help you. If you don't have someone you normally work with, contact your nearest professional remodleing association (NARI or NAHB) and get a reference.