America's top 15 plastic injection molding companies

IndustryNet, which maintains current information on nearly 400,000 U.S. manufacturers, recently analyzed the top plastic injection molding companies in the U.S. Out of approximately 1,700 plastic injection molding companies in the United States, the following are the top of the sector in terms of number of employment and manufacturing space:

Top 10 plastic injection molding companies by employment

1. Bemis Manufacturing Co.; Sheboygan Falls, Wisconsin; 1,200 employees.
Bemis is a family-owned business that traces its roots to woodworking.

2. Technimark, Inc.; Asheboro, North Carolina; 1,005 employees.
A relative newcomer to plastic injection, Technimark was founded in 1983 and is now a global supplier of packaging and components serving the health care and industrial sectors.

3. Nypro, A Jabil Co.; Clinton, Massachusetts; 1,000 employees.
Nypro focuses on the health care sector with a broad range of design and manufacturing capabilities worldwide.

4. CalsonicKansei of Lewisburg, Inc.; Lewisburg, Tennessee; 1,000 employees.
Another relative newcomer to plastic injection, CalsonicKensei was founded as a packaging company in California in 1976. It added plastics to its product line in 1983.

5. Genesis Biotechnology Group; Hamilton, New Jersey; 950 employees.
Genesis works solely in health care. Unlike many other companies, it is vertically integrated, comprised of separate divisions for drug discovery, diagnostics, product development, and manufacturing and distribution.

6. Plastek Industries, Inc.; Erie, Pennsylvania; 850 employees.
With eight operating divisions, Plastek manufactures packaging for the personal care, home care, food and beverage, cosmetics, and pharmaceutical industry sectors.

7. Phillips-Medisize; Menomonie, Wisconsin; 845 employees.
Serving primarily the medical industry, Phillips-Medisize is a global company that also works with specialized commercial customers such as the automotive industry and the Department of Defense.

8. Royal Technologies Corp.; Hudsonville, Michigan; 800 employees.
Royal Technologies provides advanced molding, value-added assembly, and advanced fabrication primarily for consumer products such as contact lenses, furniture, and appliances.

9. CPP Global, LLC; Asheboro, North Carolina; 800 employees.
CPP Global's Asheboro facility manufactures plastic packaging for sectors such as cosmetics, food and beverage, and consumer products.

10. B & S Plastics, Inc.; Oxnard, California; 800 employees.
The Oxnard branch of B & S Plastics focuses solely on the pool, hot tub, and bath industries, providing hoses, tubing, and other related products.

Top 10 plastic injection molding companies by square footage

1. Phillips-Medisize; Hudson, Wisconsin; 1.7 million square feet.
In addition to manufacturing, Phillips-Medisize partners with its clients in the design and development stages. This partnership allows faster product launches for innovative ideas.

2. Universal Plastic Mold; Baldwin Park, California; 1,007,000 square feet.
Universal Plastic is one of the largest plastic injection molding companies in the Western U.S., providing custom injection molding.

3. Royal Technologies Corp.; Hudsonville, Michigan; 1 million square feet.
Royal Technologies prides itself in meeting and exceeding customer needs. Whether that need is the manufacturing of a prototype chair or an environmentally-friendly solution for parts manufacturing, Royal Technologies provides uniquely-tailored products for its customers.

4. Plastic Products Co., Inc.; Lindstrom, Minnesota; 1 million square feet.
Plastic Products began life as a tool and die shop in 1957. Plastic injection molding was added in 1962 to better serve 3M, the company's largest client.

5. Tupperware, US, Inc.; Hemingway, South Carolina; 1 million square feet.
Tupperware has been a ubiquitous household name for food storage since its founding in 1946. The product did not sell well in stores, but one enterprising housewife saw an excellent marketing opportunity in house party demonstrations. This idea gave birth to the current distribution system of independent consultants who still host Tupperware house parties to this day.

6. Phillips-Medisize; Menomonie, Wisconsin; 677,420 square feet.
Phillips-Medisize functioned as a creamery until 1964. That year, the co-founders decided to take a chance on forming a plastic injection company with one press. From these humble beginnings, Phillips-Medisize grew into a world-wide injection molding company.

7. Technimark, Inc.; Asheboro, North Carolina; 500,000 square feet.
Technimark thinks globally, not only in its sales footprint but in its carbon footprint. Its design utilize minimal raw materials to reduce waste. It explores renewable resources for its resins, and it maintains state-of-the-art energy efficiency in its manufacturing facilities.

8. River Bend Industries, LLC; Victor, Iowa; 500,000 square feet.
One of the largest plastic injection companies in the Midwest and Southern U.S., River Bend houses 108 molding machines ranging from 30 to 3,000 tons.

9. Ventra Evart, LLC; Evart, Michigan; 454,699 square feet.
Ventra Evart started as an after-market machine shop in 1956, and continues to serve the automotive industry today.

10. B & S Plastics, Inc.; Oxnard, California; 450,000 square feet.
B & S Plastics manufactures items that are designed, engineered and produced in the United States. All of their materials meet National Sanitation Foundation specifications to ensure the quality and safety of their finished products.

For more information on U.S. plastic injection molding companies

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