Erickson Foundation has been reliable, pleasant to work with, and extremely responsive when needed. I cannot recommend them more confidently for basement work. 10/10!
Edit: Wanted to add, part of the success Erickson has is from service techs like Josh P. He made me feel like he was just as invested in my house as I am, and went above and beyond to talk about my long-term projects like a consultant. 11/10!