This is a sources sought notice for Base Exterior Signage Upgrades at the 183d Wing Illinois Air National Guard in Springfield, IL. The project involves providing all materials, tools, equipment, and labor to refurbish existing signage and install new base-wide exterior signage, complying with UFC 3-120-01 and all applicable standards. The anticipated construction budget is between $25,000 and $100,000. Interested small businesses must submit their information by 1:00 PM Central Daylight Time on 30 June 2026. This notice is for market research only and does not obligate the government to award a contract.