Progressive Composites Technology Inc., of San Diego, is offering a full line of pressure vessels in 2-1/2”, 4” and 8” diameter marketed under the ProTec brand name. To help ensure consistently high quality products, Progressive has a stringent quality control program integrated into the process to provide ASME-code compliance from day one. The company also has a strong commitment to customer education, service and support, and consulting and troubleshooting services.