Magnetic Shield Corporation

Founded in 1941 as the Perfection Mica Company, we originally focused on mining and processing of Mica in a North Carolina mine, and subsequently gained ownership of the Buster mine located in the Dakotas, the largest Mica mine in the world during the 1940s. Concurrently, the Magnetic Shield Division was founded to develop materials and processes to control magnetic fields for NASA space travel. Shortly after developing the Magnetic Shield Division, it grew to such a dominant position in our business that the company changed its name to Magnetic Shield Corporation. The developments and industrial awareness of Perfection Mica Company in the television & electronics industry led to an easy transition. Driving the strategy and continual growth was sensitive electronic applications that were developed during WWII. By the mid-1950s, magnetic shields were found in high demand and overtook the Mica business, and Magnetic Shield Corporation officially became the primary enterprise in 1956. Since More... then, Magnetic Shield Corporation has been a primary leader in the industry, registering our proprietary brands of shielding alloys Co-NETIC(R) and NETIC(R) in 1955, and INTER-8(R) weaved cable soon after. These products became the benchmark in magnetic shielding alloys. Since the 1960s, other companies have attempted to evolve in the shielding market; many of them created by former employees of Magnetic Shield Corporation. However, to this day, Magnetic Shield Corporation holds a reputable position built around decades of experience and product developments. One well known brand that stands out worldwide is MuMETAL(R), which is legally a proprietary brand of Magnetic Shield Corporation. If you need MuMETAL(R), contact Magnetic Shield Corporation, the sole USA supplier.

JBK Manufacturing & Development Co.

JBK Manufacturing was founded in 1981 as a supplier of precision CNC machined parts and fabrications. Early on, the JBK commitment to quality and delivery was noticed by customers, and in 1987, the company was awarded a contract to manufacture lubrication jets for the innovative V-22 aircraft transmission. A supplier relationship that began with just one oil jet for a single platform quickly expanded to include the development and manufacture of close-tolerance, CNC machined parts for multiple aerospace customers.


By 1995, JBK's customer base had expanded to include a host of commercial and industrial markets. Since the beginning, JBK has seen many changes -- new technology, expanded capabilities, and increased capacity. JBK is now a Tier I supplier to multiple aerospace customers and serves a host of customers in defense, energy, oil, and paper industries. The one thing that has not changed since the beginning is our unwavering commitment to quality and delivery.


Recently JBK transitioned More... into an Employee Stock Ownership Plan (ESOP). An ESOP is an IRC section 401(a) qualified defined contribution plan that is a stock purchase plan. The introduction of the ESOP provides a continuation of JBK's growth and customer service. It rewards employees for continuous years of service and promotes ownership of responsibilities and results.

Ace Metal Spinning, Inc.

Established in 1947, located in Alsip, Illinois, Ace Metal Spinning has over 65 years of spinning experience. In its third generation of family owned and operated business, Ace continues to perform with its high expectations. We are a job shop manufacturing facility which specializes in metal spinning of all types, experimental and production. We strive to maintain the long term relationships we have developed over the decades. For potential customers, Ace welcomes all opportunities to demonstrate its capabilities. Ace has progressed with current technology and maintains up-to-date, state-of-the-art equipment in the metal spinning industry.

Premier Metal Works, Inc.

Premier Metal Works Inc. provides deep drawn metal stampings. In simplest of terms, this process allows the tool and die manufacturer to use cold drawn sheet metal and form a three dimensional part. 


The benefit of using deep drawn metal stampings is the creation of a seamless metal component. Premier Metal Works uses double action draw presses in order to create seamless components such as bodies and housings. 


Unlike a business that only maintains the ability for mass production, Premier Metal Works is a small business that is also able to manufacture large, deep, seamless components in small quantities. 


If considering product development, Premier Metal Works_x0092_ complete tool room can facilitate your research and development desires. The company_x0092_s ability to manufacture relatively large parts in a timely and economically feasible manner, conveniences you while keeping development costs down.

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Suppliers specializing in Engineering Services and Quality Control: Design services, Prototyping, and Quality Assurance Spinning

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