MAMMOTH CONCRETE PUMPING operating as a sole owner is licensed in California under CSLB number 890640. The license was first issued in 2007, putting the business at 19 years on the active CSLB roster. It carries a single CSLB classification: C-61/D-6 — Concrete-Related Services Contractor. Records show an active surety bond on file with AMERICAN CONTRACTORS INDEMNITY COMPANY and an exempt workers' compensation status (no employees on payroll). The business is based in BISHOP, in Inyo County, California.