The USA Missile Defense Agency (MDA) is announcing the competitive award of five indefinite-delivery/indefinite-quantity contracts for advisory and assistance services to five small businesses: COLSA Corporation, ERC, Inc., Millennium Engineering And Integration Company, Torch Technologies, Inc. and DCS Corporation. These companies will provide advisory and assistance services to the Directorates for Engineering, Test, Advanced Technology, and Information Management and Technology Operations, Missile Defense Agency. The contractors will assist these directorates in providing engineering, technical analysis and support, scientific, systems engineering, test planning, and test execution activities in support of the Ballistic Missile Defense System. These awards are being made under the Small Business Set-Aside Request for Proposal HQ0147-09-R-0001. Each contract has a not to exceed ordering ceiling of $861,100,000 with a performance period through March 2016. The MDA Engineering and Support Services Program Office will centrally manage these contracts through competitive task orders. The companies will have the opportunity to bid on each individual task order. MDA will make obligations using Research, Development, Test and Evaluation funds. The work locations are Huntsville, Ala.; Colorado Springs, Colo.; and Arlington, Va.