Petra, Inc. - Washington Petra, Inc. - Washington Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> General Contractors >> Building Contractor Petra, Inc. - Washington 16310 NE 80th St Ste 200Redmond, WA 98052 (425) 396-4510 | fax: (425) 867-9976 Connect With Us