Concrete Solutions Inc. - Licenses patented sound absorptive architectural surface treatment to concrete precast manufacturers. Includes product technical information and typical uses. Klemmfix - Manufacturer of traffic barrier and control systems. Bay Area Barricade Service, Inc. - Offers traffic safety equipment to construction and municipal organizations. Lindsay Corporation - Manufacturers of moveable barriers for protection in highway construction zones. Border Barrier Systems Ltd. - Manufacture moulded polyethylene delimitation barriers for traffic and pedestrians at road works and construction sites. Includes product applications and specifications. Hill and Smith - Manufacture and supply highway safety systems, including safety barriers, and crash cushions. Features a range of product data and technical specifications. Trinity Industries, Inc. - Manufacturers of highway safety products, including crash cushions, guardrail end treatments and barrier systems. Detailed installation instructions online. Metalith - Offers blast mitigation barriers and K12-certified anti-ram vehicle barriers for use in perimeter security. Blast mitigation and crash testing videos.