The U.S. Army Corps of Engineers, Chicago District, is requesting quotes for the acquisition of fill stone for the Kewaunee and Milwaukee Harbors. The competition is full and open, unrestricted by business size. Offerors must have an active registration in the System for Award Management (SAM). The work is to be performed at the Kewaunee and Milwaukee Harbors. The applicable NAICS code is 327991 with a small business size standard of 500 employees.