Sun State Builders, a Tempe-based general contractor that has operated in Arizona for more than 50 years is now under new ownership. Mike Forst and Andrea Piering will become sole owners, as the company’s Founder and CEO Jim Chamberlain retires from the company’s day-to-day operations. Forst will now serve as CEO and Piering as president. Chamberlain will continue to partner with the company on turnkey building sale projects.