Plastics & Packaging Manufacturers
Proto Part Inc.
71 Pine Rd # F, Hudson, NH 03051, United States
- Manufacturer
- ISO 9001:2015
About Proto Part Inc.
Proto Part Inc. operates from Hudson, New Hampshire, where it has been producing thermoplastic injection molded parts for over 25 years. The company emphasizes American manufacturing and win-win relationships, though its founding year and ownership structure are not publicly disclosed. The shop specializes in thermoplastic injection molding with all tooling built in-house. Capabilities include insert molding, family molding, and design-for-manufacturability support, running on horizontal and vertical presses ranging from 28 to 310 clamping tons with shot sizes of 1 to 25 ounces. Processes follow scientific injection molding and decoupled molding principles, with ongoing automation investments to increase efficiency. Production volumes span from hundreds to hundreds of thousands of parts per run, covering both mid- and high-volume orders. Proto Part serves medical, defense, safety, electronic/electrical, industrial, aerospace, solar, and automotive markets, as well as niche consumer products such as cribbage pegs, golf tees, tape containers, and archery bowstring spools. Long-term customers include Semiconductor Circuits Inc., Road Tools LLC, Mirror Tee, RF Hunter, and Wall Industries, with relationships exceeding 20 years in some cases. The company cites complete customer satisfaction as its founding principle, differentiating itself through in-house tooling, ISO 9001:2015 certification, and a commitment to better communication and total transparency. Engineers assist with part design to meet structural requirements, and the firm promotes creative, economical, and quick solutions for custom plastic components.
Manufacturing capabilities
Core processes
Inspection & quality
Assembly & services
Industries served
- Medical
- Defense
- Safety
- Electronic/Electrical
- Industrial
- Aerospace
- Solar
- Automotive
- Consumer products
Materials
Engineering resins · Commodity resins
Equipment
- Horizontal injection molding presses (28-310 clamping tons, 1-25 oz shot sizes)
- Vertical injection molding presses (28-310 clamping tons, 1-25 oz shot sizes)
Company details
- Location
- Hudson, New Hampshire
- Company type
- Manufacturer
- Production volume
- Hundreds to hundreds of thousands of units
- Certifications
- ISO 9001:2015
Frequently asked questions
Where is Proto Part Inc. located?
Proto Part Inc. is located at 71 Pine Rd # F, Hudson, NH 03051, United States.
What does Proto Part Inc. do?
Proto Part Inc. is listed under Plastics & Packaging Manufacturers, and its listed capabilities and products include Thermoplastic injection molding, Insert molding, Family molding, In-house tooling, Scientific injection molding and Decoupled molding.
What industries does Proto Part Inc. serve?
Proto Part Inc. lists Medical, Defense, Safety, Electronic/Electrical and Industrial among the industries it serves.
What certifications does Proto Part Inc. have?
Certifications on file for Proto Part Inc.: ISO 9001:2015.
How do I request a quote from Proto Part Inc.?
Use the Request a quote button on this page to send Proto Part Inc. your requirements through FirmsLedger, or call (603) 883-6531 and visit protopart.com.
What companies are similar to Proto Part Inc.?
Other Plastics & Packaging Manufacturers in New Hampshire listed on FirmsLedger include Piedmont Plastics, Hill Packaging and Plastics Forming Enterprise, LLC.