YUCCA MOUNTAIN BUSINESS UNIT

DRS TECHNICAL SERVICES, INC.

INTEGRATED PROJECTS BUSINESS UNIT

SAVANNAH RIVER BUSINESS UNIT

O&M SERVICES

Engineering Services, Custom Computer Programming Services, Computer Systems Design Services, Computer Facilities Management Services, Other Computer Related Services

New Single-Family Housing Construction (except Operative Builders), New Housing Operative Builders, Residential Remodelers, All Other Professional, Scientific, and Technical Services, Facilities Support Services

Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction, Highway, Street, and Bridge Construction

Commercial Lithographic Printing, Commercial Gravure Printing, Commercial Flexographic Printing, Commercial Screen Printing, Quick Printing

Commercial and Institutional Building Construction, Electrical Contractors, Electronic Computer Manufacturing, Computer and Computer Peripheral Equipment and Software Merchant Wholesalers, Software Publishers

General Warehousing and Storage, Wired Telecommunications Carriers, Data Processing, Hosting, and Related Services, Surveying and Mapping (except Geophysical) Services, Custom Computer Programming Services

Electrical Contractors, Plumbing, Heating, and Air-Conditioning Contractors, Fabricated Structural Metal Manufacturing, Sheet Metal Work Manufacturing, Machine Shops

Industrial Building Construction, Commercial and Institutional Building Construction, Power and Communication Line and Related Structures Construction, Poured Concrete Foundation and Structure Contractors, Structural Steel and Precast Concrete Contractors

Motion Picture and Video Production, Consumer Electronics and Appliances Rental, All Other Consumer Goods Rental, Graphic Design Services, Facilities Support Services

Electronic Computer Manufacturing, Computer Storage Device Manufacturing, Telephone Apparatus Manufacturing, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Other Communications Equipment Manufacturing

Custodial, Janitorial, Operations, Maintenance, light construction

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Grocery and Related Products Merchant Wholesalers

Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing, Motor and Generator Manufacturing, Light Truck and Utility Vehicle Manufacturing, Industrial Machinery and Equipment Merchant Wholesalers, Plastics Materials and Basic Forms and Shapes Merchant Wholesalers

Data Processing, Hosting, and Related Services, Engineering Services, Drafting Services, Interior Design Services, Graphic Design Services

Commercial and Institutional Building Construction, Optical Instrument and Lens Manufacturing, Other Measuring and Controlling Device Manufacturing, General Warehousing and Storage, Data Processing, Hosting, and Related Services