Products and Vendors

• Calcium Chloride Suppliers (PDF)
• Crack Sealing Contractors/Rentals (PDF)
• Culverts, Metal and Polyethylene
  The current state contract which is open to municipalities and other political subdivisions.
  • Plastic Culverts (PDF)
  • Metal Pipes (PDF)
• Culvert Lining Companies (PDF)
• Culvert Suppliers and Thawing Equipment (PDF)
• Erosion Control Products (PDF)
  State purchase list for municipalities for erosion control products.
• Flowable Fill (PDF)
  Maine ready-mix concrete plants that sell special backfill that is self-compacting and excavatable.
• Guardrail Installers & Suppliers (PDF)
  Short inspection videos for various guardrail types (Youtube)
• Hydroseeding Contractors (PDF)
• Material Testing and Borings Firms (PDF)
• Road Salt Suppliers (PDF)
• Road Striping Contractors (PDF)
• Sign Vendors (PDF)
• Street Sweepers, Culvert, and Catch Basin Cleaning Contractors (PDF)
• Temporary Traffic Control Devices 
  The current state contracts which are open to municipalities and other political subdivisions.
  • Roll Up Signs (PDF)
  • Barricades (PDF)
  • Stop/Slow Paddles (PDF)
  • Traffic Cones/Drums (PDF)
• Traffic Signals (PDF)
  Companies that install and maintain traffic signals.

Many of the products the state buys are available to municipalities. Click on the following web page to find this information:

• State of Maine Contract Listings (Offsite)
  Please note: If the right column on the linked web page has a "Y", then the vendor has agreed to sell to municipalities and a "N" means no. There may be conditions on purchasing.

There are absolutely no endorsements or approvals of these vendors by MaineDOT. This list is for information only. All benefits/risks are the responsibility of the buyer. There may be other vendors MaineDOT is not aware of. If those vendors would like to be added, they can call Pete Coughlan at 207/624-3266.

Products listed on the QPL are prequalified for use on Maine Department of Transportation highway and bridge projects. Final acceptance of the product occurs when the product is properly used in the field as determined by the engineer.

• MaineDOT Qualified Products List