This is a Sources Sought notice, not a solicitation, seeking Indian Small Business Economic Enterprises (ISBEEs) and Indian Economic Enterprises (IEEs) capable of performing an engine replacement for a Bobcat Model 763. The work falls under NAICS 811310 with a size standard of $12.5 million. Respondents must demonstrate their capability, experience, and compliance with the Buy Indian Act, including that Indians or Indian Tribes receive at least 51% of the contract earnings. Responses are due within 7 days from the date of this notice. No budget amount or performance location is specified.