The 183d Mission Support Contracting Office (MSC), 183d Wing Illinois Air National Guard, Springfield IL, is issuing this sources sought for Uninterrupted Power Supply (UPS) Expansion Upgrades B-8 to determine and identify SMALL BUSINESS sources with the capability, experience, and interest under the North American Industry Classification System (NAICS) code 236220. The anticipated magnitude of construction is between $25,000 and $100,000. The general scope comprises providing all personnel, equipment, supplies, transportations, tools, materials, supervision, and non-personal services necessary to provide upgrades to the UPS by removal of existing UPS and installation of a new static UPS in Building 8 meeting all applicable commercial and US military standards and specifications to include Unified Facilities Criterias (UFCs) and DoD Supplemental Technical Documents to include TP-19 Static Uninterruptible Power Supply, as well as Federal, State, and local laws and regulations. Interested parties should submit their information to all points of contact on this sources sought using the attached Sources Sought Information Form no later than 1:00 PM Central Daylight Time (CDT) 01 July 2026. This is a SOURCES SOUGHT NOTICE only and shall not be construed as a solicitation or as an obligation on the part of the Government. This notice does not obligate the Government to award a contract or otherwise pay for the information provided in the response. The Government will not accept requests for meetings or briefings related to this notification.