Construction of buildings, municipal and commercial infrastructure facilities, and industrial facilities; inspection of buildings in the course of construction; maintenance, repair and renovation of buildings, municipal and commercial infrastructure facilities, and industrial facilities; decommission and demolition of buildings, municipal and commercial infrastructure facilities and industrial facilities; construction project management; consulting in the field of construction; consulting services in the field of mining extraction; installation, maintenance and repair of computer hardware.

Environmental remediation, namely, treatment of soil, waste, and water; remediation of nuclear sites; decontamination of hazardous materials.

Architectural design; interior design; engineering; chemical engineering; civil engineering; electrical engineering; mechanical engineering; environmental engineering; hydraulic engineering; wastewater engineering; aerospace engineering; nuclear engineering; manufacturing engineering; design engineering; structural engineering; automotive engineering; engineering project management; consulting in the field of engineering and architecture; conducting engineering feasibility studies; conducting scientific feasibility studies; scientific research; environmental testing and inspection; planning and design of information technology systems and computer network systems; technical support, namely, diagnosing computer hardware and software problems and monitoring technological functions for information technology and computer network systems; technical support services, namely, monitoring of network systems, servers and web and database applications and notification of related events and alerts; electronic data storage; design and development of electronic data security systems; technical consulting in the field of datacenter architecture, private and public cloud computing solutions, and evaluation and implementation of internet technology and services; scientific research, testing and evaluation of weapons, flight and space exploration systems.