Subcontractors Resources NNAC regards our subcontractors and suppliers as valued partners. Want to Work with Us? Click the button below to access our Subcontractor Pre-Qualification form. PRE-QUALIFICATION FORM Plan Rooms Please contact us to be added to our various plan rooms by location. Contact Us Did You Know? We are a Native American, Woman-Owned construction firm. Work With Us 208.635.5400 info@nnacinc.com