This is a firm fixed-price delivery order contract awarded by the National Institute of Environmental Health Sciences (NIEHS), a civilian agency, to Vista Technology Services, Inc. (doing business as Vista), a small business subchapter S corporation. The contract is for NIEHS library management support services under the Multiple Award Schedule (MAS) contract vehicle. The total ceiling value of the contract is $2,019,929.60, with a period of performance ending on March 8, 2025. Vista serves as both a prime contractor and subcontractor, delivering specialized capabilities to support national security missions for various federal agencies. The company currently holds two major federal indefinite delivery vehicle (IDV) contracts as a prime contractor: a $2.5 billion Department of State Diplomatic Platform Support Services IDIQ and a position on a $70 million Defense Information Systems Agency (DISA) Agency Program Support multi-award Blanket Purchase Agreement (BPA).