Manatron, Inc.
- Designs, markets, installs and maintains advanced microcomputer-based turn key data processing systems for local governments. (Nasdaq: MANA).
- http://www.manatron.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/

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

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

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

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/

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