37
Building construction; repair; installation services
telecommunications industry infrastructure construction and maintenance services, namely, planning, laying out, constructing, and maintaining outdoor and underground elements utilized in the telecommunications industry; telecommunications industry installation services, namely, indoor premises wiring of telecommunications systems, namely, telephone, data, and computer networks and systems; public service utility industry construction and maintenance services, namely, planning, laying out, constructing, and maintaining outdoor and underground elements utilized in the public service utility industries, namely, without limitation the electrical, gas, water, and sewer industries; infrastructure, construction, installation, and maintenance services in the field of traffic safety, namely, planning, laying out, constructing, installing, and maintaining traffic signals, road signs, guardrails, and driver information providers, namely, smart highways; commercial construction and building renovation services, namely, planning, laying out, and custom construction and renovation of commercial structures
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software
engineering design and technical consulting in the public service utility industries, namely, the electrical, gas, water, and sewer industries; engineering design and technical consulting for use in connection with traffic safety systems