Distribution - Fabrication - Precision Machining

207-775-7778   |   800-287-7835


Sign Supplies


Plastic Supply Inc., of Maine has been the best source for your sign supplies and sign making needs for over 40 years.  We have a large inventory of High Performance and Intermediate Vinyl’s, Substrates and other sign accessories.  We can produce Custom Welding, Backlit Cabinets, Metal Frames and Stands, Channel Letters and Custom Wood Working.  Our staff is UL Listed.  We can assist you in the production of your custom signage components utilizing our CNC Router and other state of the art equipment.  With the vast experience of our staff, we can offer you the advice and guidance most others can’t.  We want to be your source for all your sign supply needs, and a partner for business.


Sign Products:

  • All Wood Cedar Blanks
  • Ballasts/ Transformers
  • Changeable Copy Letters
  • Engraving Stock
  • Gold Leaf
  • GSP Foils, Parts, and Software
  • Jay Cookes Primer
  • Lamp Boots
  • Lamps
  • Letter Track
  • MDF


  • U-Channel
  • Raincote
  • RapidTac
  • Real Estate Frames
  • RTape
  • Scroll Brackets
  • Sign Comp
  • Sign-A-Cade
  • Sockets
  • Step Stakes
  • Vinyl
  • Wrisco



We offer:

• Custom Fabrication

• CNC Routing

• Cut To Size

• Full Line of Engineering Plastic Materials

• Sign Materials & More


E-mail:  info@plasticsupplyofmaine.com

Phone: 207-775-7778

Toll Free: 800-287-7835

Fax: 207-775-6044

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6 Pomerleau Street

Biddeford, ME 04005