Prequalification
If you are applying for the first time please download and fill out the Prime-Contractor Cover letter Checklist, Form-478 Questionnaire and FORM-477 Contractor's Financial Statement
Directories of Prequalified/Certified Contractors
Vendor Work Class Table
USDOT Final DBE Rule
Download the USDOT Final DBE Rule (49 CFR 26). Right click the link and choose "Save Target As" from the menu.