BPAs can be established under any GSA Schedule contract to evaluate different contractors on Schedule for a particular category of supply or service, then establish an ongoing agreement for repetitive orders from whichever one is selected.

DUNS, or Data Universal Numbering System, is a proprietary numbering system developed by Dun & Bradstreet. It provides a unique nine digit ID for each physical location of a business. Assignment is free, and required, if you're registering for a contract with the federal government.

The Federal Acquisition Regulation is the definitive procurement rule book for executive agencies who need goods and services.

eBuy, a component of GSA Advantage!®, is an online Request for Quotation (RFQ) tool. eBuy is designed to facilitate the request for submission of quotations for a wide range of commercial supplies (products) and services under technology contracts and GSA Schedules.

The 8(a) Business Development Program is a business assistance program for small disadvantaged businesses, offering a broad scope of assistance to firms that are owned and controlled at least 51% by socially and economically disadvantaged individuals.

FBO, or FedBizOpps, is the government's point-of-entry for federal government procurement opportunities that are worth more than $25,000.

The HUBZone (Historically Underutilized Business Zones) Program helps small businesses in urban and rural communities gain preferential access to federal procurement opportunities.

Centralized buying vehicles negotiated by GSA with awards to many potential vendors and used by multiple agencies buying goods and services.

The North American Industry Classification System (NAICS) is the standard used by Federal agencies to classify business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. business economy. They replaced SIC (Standard Industrial Classification) codes as of 1997.

(Option Process Ensuring iNtegrity): a process intended to streamline the contract renewal process.