The Knowledge Library is the DBE Supportive Services Center’s digital library that houses beneficial information on PennDOT & ECMS procedures, necessary forms & instructions, tutorials, presentations and videos to help keep DBE firms informed and competitive.


Click the plus (+) to find information and documents related to a given topic. Clicking the link in the topic will allow you to download a PDF, Word, Excel, or PowerPoint document


This PowerPoint explains the steps towards Doing Business with PennDOT
Doing Business with PennDOT

Download this Excel worksheet for instructions on how to compute your overhead rate.
Overhead Rate Calculation Instructions

Use this form as a cover to your OHR submission.
OHR Submission Cover

Complete this form for all Executives in your company.
Executive Compensation Worksheet

If the product is for use on roadway or bridge construction projects, it is a potential candidate for the Product Evaluation Application process and may get listed in Bulletin 15, Qualified Products List for Construction. Read this document for more information.

In part 2 of the CS-4300 (08/2014): Organization and Experience Statement of the New Subcontractor Application, references are requested on page 7. This document provides a detailed explanation of what information is required to complete the reference

Want to do business with the Commonwealth of Pennsylvania? Here is a handy guide that walks you through the process of registering your company with the Department of General Services.

Registration Guide:
Registering As A Supplier

This link will take you to the U.S. Government Publishing Office’s webpage for Code of Federal Regulations (CFR) annual edition. It is the codification of the general and permanent rules published in the Federal Register by the Department of Transportation.

e-CFR Title 49: Transportation, Part 26

Frequently asked questions about PennDOT’s Diverse Business Program
FAQ: Title 74, Section 303 – Diverse Business (DB) Program

Overview of business requirements to work with PennDOT.
Doing Business With PennDOT: Pub-4

Learn more about this PennDOT work classification code, eligibility requirements, and guidelines for a pre-qualified contractor, working as a subcontractor.
ECMS Provisional Pre-qualification For Subcontractors

Download this Word document to complete a new pre-qualification application.
New Subcontractor Application

Learn more about this PennDOT work classification code, eligibility requirements, and guidelines for a contractor.
Conditional Pre-Qualification

An explanation of the Overhead Rate Pro-Forma.
Overhead Rate Pro-Forma

Bulletin 15 is a listing of manufacturers, fabricators, coaters and precasters of prequalified materials that are eligible for use on Department construction projects. The purpose of Bulletin 15 is to provide contractors, consultants, Department personnel, manufacturers, suppliers, and others with easy access to a complete and accurate listing of qualified products and their approved uses. If you are a manufacturer you want your products listed here. 

Read PennDOT’s Publication 35 for a thorough description of the product list, eligibility, restrictions, and requirements: 
PA Publication #35 – Bulletin 15 Overview

Review Bulletin 15:
Bulletin 15 – Qualified Products List for Construction

PennDOT requires the Prime and subcontractor to have an onsite Bulletin Board. The Project Bulletin Board Checklist identifies the required postings for both State and Federal funded projects.

Download and print for your records:
Project Bulletin Board Checklist


Contact the DBE SSC team for high quality advice and professional guidance.