Geo Ex Subsurface Exploration,* Dixon, California (W91238-23-D-0005); Taber Drilling,* West Sacramento, California (W91238-23-D-0007); and Gulf Shore Construction Services Inc.,* New Orleans, Louisiana (W91238-23-D-0008), will compete for each order of the $9,900,000 firm-fixed-price contract for drilling, cone penetrometer testing services, backhoe, and trackhoe excavations. Bids were solicited via the internet with four received. Work locations and funding will be determined with each order, with an estimated completion date of April 13, 2028. U.S. Army Corps of Engineers, Sacramento, California, is the contracting activity.