PowerLift Foundation Repair is a foundation repair company based in Broken Arrow, Oklahoma. Its site says it works throughout Oklahoma, Arkansas, North Carolina and Tennessee on residential and commercial structures.
The company's main method, as described on its site, is steel piers driven to bedrock or load-bearing strata, paired with a synchronized lifting system that it says reduces stress during lifting and maximizes crack closure. It says its pilings are made from new materials with corrosion resistance. Helical piles are mentioned only briefly on the pages reviewed, so confirm whether they are offered for your project.
Call 800-562-5438 for a free estimate. Ask which pier type is proposed and why, whether helical piles are an option for your soil, who engineers the repair, how load and depth are verified, and what the warranty covers.