Pronesti Excavation, Inc. Return to Directory Company: Pronesti Excavation, Inc.Contact: George PronestiAddress: 6301 Angelo Court, Suite 10City: LoomisState: CAZIP Code: 95650Business Phone: 1 916 652-5832Business Fax: 1 916 652-2347CSLB Number: https://www2.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=624475Specialty: Excavating, Commercial, General Engineers, Commercial, Grading, Commercial, Underground Utilities & Trenching