If the builders you got from Angies list are all quoting around the same amount then perhaps that's the price the renovations you want to do will cost.
From my understanding Angies list is a list of contractors independently reviewed by people who used them and recommend them as thorough and reliable.
Depending on what renovations you want to do the work can be expensive so your statement of "heavy cost" may be unfounded.
My suggestion is to ask some neighbors or friends who they used.
Please also remember that many interior home renovations also require permits and must meet town building code requirements which is one service your contractor will provide.