The National Institutes of Health Business and Professional Support Services III (NIHBPSS III) Contract is an acquisition vehicle available to all Institutes and Centers (ICs) and offices within the National Institutes of Health (NIH) to purchase business operation and professional support services. This multiple award contract with 27 vendors will be used by NIH to procure business and professional support services on a task order (TO) basis. In technical terms, NIHBPSS III is an Indefinite Delivery/Indefinite Quantity (IDIQ) contract, which affords customers the ability to order services after requirements materialize, providing NIH with flexibility in both quantities and delivery scheduling.