The National Park Service, Mount Rainier National Park, is seeking a supplier capable and willing to provide an estimated 62000 gallons of liquid propane gas (LP) and deliver/rental of tanks of various sizes for rent for a base plus up to four option year firm fixed-price contract. The contractor shall have remote monitoring to have automatic notifications of tanks being below 20% without notice by Park staff to place calls of order as part of the evaluation criteria. This sources sought is not a request for competitive proposals, however all e-mails received within 10 days after publication of this notice will be considered by the Government for future related requirements. A determination not to compete this proposed action based upon responses is solely within the discretion of the Government. Interested vendors are requested to submit contact information that at a minimum shall include: 1. a reference to this sources sought notice; 2. Company name, address, telephone number, and (if applicable) SAM.gov UEI registration number and company website url; 3. the size of businsss (large or small) in the NAICS code 325120 Industrial Gas Manufacturing standard; 4. the name and e-mail address of a technical point of contact having the authority and knowledge to clarify responses with the Contracting Officer; (5) a capability statement regarding the company's past experience delivering propane and renting tanks. Submission of responses and any inquiries shall be received only by e-mail to: hal_hoversten@ios.doi.gov by no later than 12:00 pm Pacific Time on July 2nd 2026. The North American Industry Classification System (NAICS) code applicable to this notice is 325120 and the small business standard is 1200 employees. FAR clauses that shall be applicable to this action will include 52.212-04 and 52.212-05