Contractors will perform work in various locations that will depend on each order through Nov. 16, 2021, the Defense Department said Thursday.
The Army received 18 bids for the contract via the internet.
AECOM is a multinational engineering firm that offers design, consulting, construction, and management services while Granite Construction specializes in infrastructure services and Kiewit Infrastructure, an employee-owned company, oversees multiple projects for clients in the U.S., Canada and Australia.