Pierce Pini & Associates, Inc. (PPA) was established as a Woman Owned Business in 2003 to provide professional civil engineering services. We are certified as a Disadvantaged Business Enterprise (DBE) by the Minnesota Unified Certification Program as a Small, Woman-Owned Business Enterprise (S/WBE) by the CERT Program and as a Woman Owned Business (WBE) by the Minnesota Department of Transportation and we are licensed in numerous other states.