Injection Molding
Harbor Plastics, Inc.
1470 County Rd 90, Maple Plain, MN 55359, United States
- Manufacturer
- Woman-owned
About Harbor Plastics, Inc.
Harbor Plastics, Inc. operates from Maple Plain, Minnesota, about 15 miles west of Minneapolis. The woman-owned business has over 25 years of experience in custom plastic injection molding, though a specific founding year is not disclosed. The company emphasizes a people-focused culture and a systems engineering approach to manufacturing. The shop provides custom plastic injection molding with shot capacities up to 51 ounces and clamping forces from 60 to 500 tons, accommodating molds up to 36 inches long by 28 inches wide. It specializes in short-run, low- and medium-volume production, and offers in-house mold building with machining capabilities for prototype tooling. Secondary operations include sonic welding, pad printing, and packaging. The facility also supports tooling transfers and reshoring projects. Harbor Plastics serves aerospace, automotive, construction, electronics, energy (solar and wind), oil and gas, nuclear, marine, medical, military, and government sectors. Concrete examples include nylon mobile localizer bases and covers for medical devices, pocket sprayer tubes for promotional and retail markets, ABS remote enclosures for retail, nylon air filter covers for motorcycle engines, over-molded PBT gears for diesel engines, glass-filled polypropylene and PPE-PA housings for automotive electronics, ABS medical wall plates and pillow speakers, and polycarbonate outdoor flooring systems for agriculture. The company differentiates itself through lean manufacturing practices, lights-out production capability, a Six Sigma Green Belt on staff, and a commitment to on-time, on-budget delivery. It positions itself as a partner for tooling reshoring and rapid prototyping, aiming to exceed customer expectations on the first attempt.
Manufacturing capabilities
Core processes
Assembly & services
Industries served
- Aerospace
- Automotive
- Construction
- Electronics
- Energy (Solar, Wind)
- Oil & Gas
- Nuclear
- Marine
- Medical
- Military
- Government
- Promotional & Retail
- Motorcycle
- Diesel Engines
- Agriculture
- Metal Fabrication
Materials
Nylon · ABS · PBT · Polypropylene · Polycarbonate · Glass-Filled Polypropylene · Glass-Filled PPE-PA · Glass-Filled Nylon · Glass-Filled PBT
Company details
- Location
- Maple Plain, Minnesota
- Company type
- Manufacturer
- Ownership
- Woman-owned
- Minimum order
- 25 units (spray tubes)
- Production volume
- 25 to 250,000+ units; short run, low to medium volume production
Frequently asked questions
Where is Harbor Plastics, Inc. located?
Harbor Plastics, Inc. is located at 1470 County Rd 90, Maple Plain, MN 55359, United States.
What does Harbor Plastics, Inc. do?
Harbor Plastics, Inc. is listed under Injection Molding, and its listed capabilities and products include Custom Plastic Injection Molding, Insert Molding, Over Molding, Mold Building, Machining for Prototype Mold Making and Sonic Welding.
What industries does Harbor Plastics, Inc. serve?
Harbor Plastics, Inc. lists Aerospace, Automotive, Construction, Electronics and Energy (Solar, Wind) among the industries it serves.
How do I request a quote from Harbor Plastics, Inc.?
Use the Request a quote button on this page to send Harbor Plastics, Inc. your requirements through FirmsLedger, or call (763) 479-4772 and visit harbor-plastics.com.
What companies are similar to Harbor Plastics, Inc.?
Other Injection Molding companies in Minnesota listed on FirmsLedger include Aroplax Corporation, Profile Plastics LLC and Modern Molding, Inc..