The U.S. Army Corps of Engineers is conducting market research to identify vendors capable of providing one Electro-Magnetic Gradiometer Sensing System Hardware device, sensitive between 50kHz-750kHz in the picotesla range, for detecting subsurface conductors. Responses to this Request for Information are due by 12:00 PM Central Standard Time on 11 May 2026. No budget information is specified. The performance location is not explicitly stated, but the work supports the Engineer Research and Development Center. This notice is for planning purposes only and does not constitute a solicitation or commitment to award a contract.