42 Consulting services for airports and airfields, namely, design 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, namely, 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 of combustion engines, sewers systems, HVACs, emergency sirens, flood level systems, and critical infrastructure systems for commercially owned and government- owned assets to ensure proper functioning; Consulting services in the field of design of traffic control equipment being traffic related signals and asset monitoring roadway devices, namely, cameras, stoplights, radar detection systems, signage and pedestrian crosswalk upgrades; Consulting services related to the field of auxiliary design for 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