Atlantic Commtech Corp., Norfolk, Virginia (W912DY-22-D-0073); BCF Solutions Inc., Chantilly, Virginia (W912DY-22-D-0074); Convergint Technologies LLC, Schaumburg, Illinois (W912DY-22-D-0075); Evigilant.com LLC, Manassas, Virginia (W912DY-22-D-0076); KBR Wyle Services LLC, Lexington Park, Maryland (W912DY-22-D-0077); M.C. Dean Inc., Tysons, Virginia (W912DY-22-D-0078); PTSI Managed Services Inc., Pasadena, California (W912DY-22-D-0088); Siemens Government Technologies Inc., Reston, Virginia (W912DY-22-D-0089); Xator Corporation, Reston, Virginia (W912DY-22-D-0090); Alamo-Evergreen JV LLC,* San Antonio, Texas (W912DY-22-D-0091); Chenega Security International LLC,* Chantilly, Virginia (W912DY-22-D-0092); GCS Versar JV,* Tacoma, Washington (W912DY-22-D-0093); Infotec Systems Corp.,* Summerville, South Carolina (W912DY-22-D-0094); Integrated Security Solutions Inc.,* Kalispell, Montana (W912DY-22-D-0095); Locurrent Systems LLC,* Cooperstown, New York (W912DY-22-D-0096); Low Voltage Wiring,* Colorado Springs, Colorado (W912DY-22-D-0097); Phoenix Integrated Technologies LTD,* Gambrills, Maryland (W912DY-22-D-0098); Red Peak Technical Services LLC,* Anchorage, Alaska (W912DY-22-D-0099); Sei Group Inc.,* Huntsville, Alabama (W912DY-22-D-0100); Security and Energy Technologies Corp.,* Chantilly, Virginia (W912DY-22-D-0101); Johnson Controls Building Automation Systems LLC, Huntsville, Alabama (W912DY-22-D-0103); and Indyne Inc., Lexington Park, Maryland (W912DY-22-D-0104), will compete for each order of the $675,000,000 contract to provide all personnel, equipment, tools, materials, supervision, non-personal services, and other necessary items for electronic security systems. Bids were solicited via the internet with 34 received. Work locations and funding will be determined with each order, with an estimated completion date of Sept. 25, 2029. U.S. Army Corps of Engineers, Huntsville, Alabama, is the contracting activity.