WINKLER'S EXCAVATING & GRADING INC operating as a corporation is licensed in California under CSLB number 778398. The license was first issued in 2000, putting the business at 26 years on the active CSLB roster. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with AMERICAN CONTRACTORS INDEMNITY COMPANY and active workers' compensation coverage from EVEREST PREMIER INSURANCE COMPANY. The business is based in POMONA, in Los Angeles County, California.