11 SERIES SYSTEMS LLC operating as a limited liability is licensed in California under CSLB number 1049102. The license was first issued in 2019, putting the business at 7 years on the active CSLB roster. It carries a single CSLB classification: C-7 — Low Voltage Systems Contractor. Records show an active surety bond on file with NATIONWIDE MUTUAL INSURANCE COMPANY and an exempt workers' compensation status (no employees on payroll). The business is based in MANTECA, in San Joaquin County, California.