Crown Technical Systems

Case Number: 31-RC-392541

Date Filed: 08/10/2026

Status: Open

No. of Employees: 200

Location: Fontana, CA

Region Assigned: Region 31, Los Angeles, California

Unit Description: Included: All Full and Part Time Employees that are working on the Production Floor at the Fontana Facility with the various Departments such as: Panel Building Medium Voltage Switch Gear Low Voltage Switch Gear Maintenance Electrical Testing Fabrication Warehouse Field Installation Quality Control Building Assembler 1, 2, and 3 also with Prep Ship, Building Department Lead, Building Wireman and Building Wireman 1, 2, and 3, Door Installer, Lead Building Wiring, Lead Mechanical Assembly, Sheet Metal Assembler Lead, Sheet Metal Assembler 1, 2, and 3, and Trainer. Continuity Tester, Lead Continuity Tester, Panel Assembler Lead, Panel Assembler 1 & 2, Panel Wireman Lead, Panel Wireman 1, 2, & 3, Trainer 1 & 2, Wire Prep 1 & 2, Wiring Specialist. Medium Voltage Lead Switchgear Assembler, MV Switchgear Assembler 1 & 2 & 3 Low Voltage Switchgear Assembler, Assembler 1, 2, & 3, Low Voltage Switchgear Wireman, Wireman 1, 2, & 3. Low Voltage Wire Prep, Prep 1, 2, & 3, Switchgear Expeditor, Expeditor 1, 2, & 3. Custodian 1, Facilities Maintenance Lead, Lead Custodian, and custodian maintenance technician. Electrical Test Tech 1, 2, & 3 Amada EMK Punch Operator, CNC Programmer 1, 2, & 3, CNC Programming Assistant, Fabrication Machine Operator, Fabrication Machine Operator 1, 2, & 3, Lead Fabrication, Lead Fabrication Machine Operator, Lead Painter, Lead Structural Welder, Paint Coordinator, Painter 1, 2, & 3, Panel Welder 1, 2, & 3, Receiving Coordinator Fab, Shop Helper, Structural Welder with 1, 2, & 3 Inventory Coordinator 1 & 2, & 3, Lead Inventory Coordinator Lead Lead Inspector, Quality Assurance Analyst, Quality Control Inspector 1, 2, & 3, Quality Engineer. Assembler, Assembler 1 & 2, & 3, Site Installation, Site Installation Lead, Wireman 1,2, & 3 Site Installation Receiving, Quality Control All Leads and Trainers, and Trainees to be included in each classification. Excluded: All Engineering and IT Employees, Procurement, and purchasing, office personnel, guards, Confidential employees, Supervisors and Managers as defined in the ACT. Employees from other facilities of Crown Technical Services/ Flex Parent Company are to be excluded.