Top 5 Injection Molding Manufacturers in Maine 2026
Last updated
FirmsLedger lists 5 injection molding manufacturers headquartered in Maine. They are spread across 5 cities, including Augusta, Hartford, Kennebunk and Lewiston.
| Company | City | Specialty | Phone | Website |
|---|---|---|---|---|
| Casco Bay Molding | Sanford | Silicone injection molding | (207) 490-1000 | cascobaymolding.com |
| Creative Composites Group, Augusta Molding Division | Augusta | Structural Fabrication | (207) 622-6229 | creativecompositesgroup.com |
| Maine Mold & Machine | Hartford | Plastic injection molding | (207) 388-2732 | mainemold.com |
| Tri Star Molding | Lewiston | Plastic injection molding (80-400 ton) | (207) 783-5820 | tsmolding.com |
| G&G Products LLC | Kennebunk | Design & Prototyping | (207) 985-9100 | ggproductsllc.com |
Casco Bay Molding
Sanford, Maine
Casco Bay Molding was founded in February 2000 by Andrew Powell in Sanford, Maine, with a vision to produce silicone and thermoplastic products domestically. The vertically integrated facility combines product development, an in-house precision machine shop, and injection molding under one roof.
Creative Composites Group, Augusta Molding Division
Augusta, Maine
Creative Composites Group's Augusta Molding Division operates as Kenway Composites in Augusta, Maine. No founding year or individual founders are disclosed for the Augusta operation; the group emphasizes decades of combined experience across its member companies.
Tri Star Molding
Lewiston, Maine
Founded in 2001, Tri-Star Molding operates from Lewiston, Maine, providing plastic injection molding services to a worldwide client base. The facility houses molding machines ranging from 80 to 400 tons, capable of processing a wide variety of plastic and composite materials.
G&G Products LLC
Kennebunk, Maine
G&G Products LLC operates as a full-service molding company from its headquarters in Kennebunk, Maine, with a thermoplastic injection molding production facility located in Springvale. The company describes itself as a "start to finish" provider, though its founding year and ownership structure are not publicly disclosed.