Contractors World Wide A very comprehensive list of categories of contracting and contractors http://www.contractorsworldwide.com/

Corrections Corporation of America (CCA) The leading private sector provider of detention and corrections services to federal, state and local governments. http://www.correctionscorp.com/

Office of Small Disadvantaged Utilization Thorough list of sub-contractors with the SBA http://www.doc.gov/osdbu/services/

Winning Proposals for Government Contractors "Ten Guidelines for Writing Government Contracts" to win proposals. Resource for contractors doing business with the government and businesses seeking revenue growth. http://www.garydunbar.com

Turrow / McParlane Associates, Inc. TMA, Inc facilitates revenue enhancement for government entities through tax discovery and related operations. http://www.TMAusa.com

Grant Thornton Vast information resource for government contractors http://www.grantthornton.com/content/10729.asp

Mainthia Technologies, Inc. Effective Management and Technology Integration http://www.mainthia.com

VSE Corporation Provides diversified engineering, development, testing, and management services, principally to agencies of the U.S. government and to other prime contractors. (Nasdaq: VSEC). http://www.vsecorp.com/

Wyoming: Procurement Vendor registration, bid opportunities, active contracts listings, and purchasing information. http://ai.state.wy.us/generalservices/procurement.asp