37
Installation and maintenance of commercial and residential electronic security systems; installation and maintenance of fire protection systems; and installation and maintenance for electrical communication systems
38
Public and private utility services in the nature of water distribution and management services; telecommunications services, integrated building and IT infrastructure services for electrical, structured cabling, security access control, telephony, LAN/WAN networks and audio/visual systems; telecommunication installation, maintenance and support services in the marine field
39
Public and private utility services in the nature of water supply, distribution and management services; transportation services, namely, design, construction, and maintenance of airports, highways, and light railroads
40
Environmental remediation services, namely water treatment services
42
Engineering consulting services; environmental consulting services in the nature of investigations, feasibility studies, facilities planning, final design and construction services; design of packaging and wrapping materials, namely, shrink bundling film, bags, and sheeting
44
Servicing of medical and healthcare products, including medical supplies and devices, monitoring equipment, and medical instruments and apparatuses
45
Security services for the protection of property and individuals
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