This is a Sources Sought notice for market research to identify qualified small businesses for janitorial services. The government is seeking responses from all small business categories, including 8(a), Service-Disabled Veteran-Owned, HUBZone, and Women-Owned concerns. Interested parties must identify their small business status under NAICS 561720 and provide details on teaming arrangements. Respondents should also describe similar services provided to government and commercial customers over the past three years. No specific timelines, budget amounts, or performance locations are mentioned in this notice.