Colorado State Web Site

Prequalification

Colorado Department of Transportation - Project Bidding
Rules to Establish Requirements for Procurement by the Colorado Department of Transportation (CDOT) of Design-build Contracts for Transportation Projects
Contractor (Click on this link, then click on the state and click on Department of Transportation.)

Licensing

Colorado Construction Contractor Rules
Colorado State Electrical Board
The Colorado Examining Board of Plumbers
Colorado Board of Examiners of Architects
Colorado Board of Registration for Professional Engineers and Professional Land Surveyors
Contractor  (Click on this link, then click on the state.)

Labor and Unemployment Insurance

Department of Labor and Employment
Unemployment Insurance Tax

Income Taxes

Colorado Department of Revenue

Public Works

State of Colorado Procurement Rules
Colorado Department of Personnel & Administration