General building contractor services; General construction contracting; Construction project management services; Construction project management services in the field of aviation facilities, government buildings, military facilities, commercial buildings, and industrial buildings; Building construction for aviation infrastructure projects; Construction of data centers, airfields, aircraft hangars, bridges, heavy civil projects, utilities systems, and fueling facilities; Construction of healthcare, maintenance, residential, recreational, and cultural facilities

Engineering; Engineering services; Engineering design services; Consulting in the fields of engineering and architecture; Architectural and engineering services; Architectural consultancy services; Civil infrastructure engineering services; Engineering services in the field of residential, commercial, and industrial construction; Engineering services in the field of aviation buildings, heavy civil projects, commercial buildings, industrial buildings, utilities systems, and transportation infrastructure; Engineering services in the field of building construction; Structural engineering design services; Consulting services in the field of architectural design