Federal contract vehicles: IDIQ, GWAC, and BPA
A contract vehicle is a pre-established arrangement an agency buys through, rather than running a full competition for every purchase. Getting onto one is a separate event from winning the work that flows through it.
That distinction catches new contractors out. A seat on an IDIQ or GWAC is permission to compete, not revenue. The money is awarded later, in task orders competed among the holders, which is where your proposal capacity actually gets tested.
IDIQ contract
Also: Indefinite Delivery, Indefinite Quantity
A contract that sets terms and a ceiling up front, then buys the actual work later through individual task or delivery orders.
An IDIQ (Indefinite Delivery, Indefinite Quantity) contract does not commit the government to a fixed amount of work on day one. Instead it establishes pricing, terms, and a ceiling value, and the agency orders against it over time with task orders (for services) or delivery orders (for supplies).
Winning a spot on an IDIQ, often one of several awardees, gets you onto the vehicle. The real competition then happens at the task-order level, where holders compete for the specific work.
GWAC
Also: Governmentwide Acquisition Contract
A pre-competed IDIQ for IT products and services that any federal agency can order from.
A Governmentwide Acquisition Contract is an IDIQ vehicle for information technology that agencies across the government can use, rather than one tied to a single department. GSA runs several well-known GWACs, including Alliant and the small-business vehicle 8(a) STARS.
Because the vehicle is already competed, agencies can order faster. For contractors, a GWAC seat is a multi-year channel to sell IT work governmentwide, with task-order competition limited to the holders.
BPA
Also: Blanket Purchase Agreement
A standing arrangement that streamlines repeat purchases of similar goods or services against agreed terms.
A Blanket Purchase Agreement is a simplified way for an agency to fill recurring needs without writing a new contract every time. Terms and often pricing are set in advance, and the agency places calls against the BPA as the need arises.
BPAs are frequently established against GSA Schedule contracts. For a contractor, holding one means an agency can come back to you repeatedly with minimal paperwork.