The proposed contract action involves commercial services for which the Government intends to solicit and negotiate with only one source, McHugh Locomotive & Equipment, under the authority of FAR 13.106-1(b)(1). McHugh Locomotive & Equipment is uniquely qualified to perform the required services due to their proprietary knowledge, experience, and existing warranty coverage of the wiring system, which remains in effect until October 25, 2025. The wiring system is an integral and incidental component of the locomotive, and because contractors must access and work through this wiring during maintenance or repairs. The applicable North American Industry Classification System (NAICS) code for this procurement is 488210, with a small business size standard of $34 million. The Product Service Code (PSC) assigned to this requirement is K022.