Retail and wholesale services supplying airports and airfields with lighting, navigational aid lighting, directional signage, and related airfield accessories, namely, reflective paint and windsocks; Retail and wholesale services supplying governments and commercial entities with traffic-related signals and asset monitoring roadway devices, namely, traffic cameras, stoplights, radar detection systems and roadway signage; Retail and wholesale services supplying Of crack sealing, pothole and large distressed pavement repair machines and the related accessories and replacement components therefor

Consulting services for airports and airfields, namely, design, maintenance and monitoring of airfield lighting; Consulting services related to decision support applications sensors, monitoring and control systems for command, control, communications, computers, intelligent surveillance, and reconnaissance systems, including situational awareness software and displays, software development for real-time embedded systems, antenna beam steering control, unattended ground sensor systems, wireless monitoring and control of airfield lighting; Traffic and asset monitoring services for commercially owned and government-owned assets; Consulting services in the field of traffic related signals and asset monitoring roadway devices, namely, cameras, stoplights, radar detection systems, signage and pedestrian crosswalk upgrades; Consulting services related to road paving machines, Asphalt paving machines and pavement preservation equipment for governmental entities and commercial paving contractors; Engineering design consultancy in the fields of road construction and road construction machinery and replacement components thereof