Procurement, namely, purchasing of equipment, machinery, process units, supplies and associated equipment for utility, industrial, commercial, governmental, public works, public accommodation, and infrastructure facilities, structures, and plants for others; business management services, namely, contract administration and project management services; construction, maintenance, and/or repair services for buildings, plants, structures, operating and processing facilities, and equipment for the aviation, biofuel, carbon capture and storage, chemical, gas-to-liquids, liquified natural gas, manufacturing, mining and minerals, oil and gas, petrochemical, pipeline, power generation and transmission, pulp and paper, refining, renewable energy, transportation, water supply, and wastewater handling industries.

Construction, installation, repair, renovation, and replacement services for public and private accommodations and infrastructure facilities, building structures, plants, equipment; maintenance services, namely, building maintenance services in the public and private sectors, namely, utility, industrial, and commercial companies and governments; inspection and supervisory services in connection with the forgoing in the public and private sectors, namely, utility, industrial, and commercial companies and government; construction, maintenance, and/or repair services for buildings, plants, structures, operating and processing facilities, and equipment for the aviation, biofuel, carbon capture and storage, chemical, gas-to-liquids, liquified natural gas, manufacturing, mining and minerals, oil and gas, petrochemical, pipeline, power generation and transmission, pulp and paper, refining, renewable energy, transportation, water supply, and wastewater handling industries.

Biomass gasification services, treatment of waste water; waste to energy generation services

Architectural and engineering services for the design of buildings, plants, structures, operating and processing facilities, and equipment for the aviation, biofuel, carbon capture and storage, chemical, gas-to-liquids, liquified natural gas, manufacturing, mining and minerals, oil and gas, petrochemical, pipeline, power generation and transmission, pulp and paper, refining, renewable energy, transportation, water supply, and wastewater handling industries; engineering services in the field of reducing carbon dioxide emissions; engineering services in the field of reducing nitrogen oxide emissions; Engineering in the public and private sectors, namely, utility, industrial, and commercial companies and governments; design services, namely, architectural design in the public and private sectors, namely, utility, industrial, and commercial companies and governments; Information technology consultation services, namely, enterprise IT consolidation, help desk and network management, telecommunications sustainment and modernization, information assurance and computer network defense; Engineering services and computer engineering services in the field of cybersecurity; Developing computer software for others; and Scientific research services in the field of aerospace development, national defense, and commercial nuclear power; Research, engineering, and testing in the fields of aerospace development, national defense, and commercial nuclear power provided to firms in those industries; Engineering services for computer security purposes, namely, protecting data and information from unauthorized access