Raw Material Cost

Aircraft Spruce: 225 Airport Circle, Corona, Calif., 92878 (877) 477-7823 https://www.aircraftspruce.com

McMaster Carr: 9630 Norwalk Blvd., Santa Fe Springs, Calif., 90670 (562) 692-5911 https://www.mcmaster.com

Industrial Metal Supply : 7550 Ronson Road, San Diego, Calif., 92111 (858) 277-8200

8300 San Fernando Road, Sun Valley, Calif., 91352 (818) 729-3333 https://www.industrialmetalsupply.com

Stock Car Steel: 801 Performance Road, Mooresville NC, 28117 (888) 752-7272 https://stockcarsteel.com

Arc-Zone: 1331 Specialty Drive, Vista, Calif., 92081 (760) 931-1500 https://www.arc-zone.com