AM Specialties, Inc.

Hart Industries

Molding Concepts, Inc.

We've been in business for over 30 years and at the same location. 


We are ISO 9001:2008 compliant and are in the process of converting to ISO 9001:2015.


We are a manufacturer of plastic injection molds and parts.


Aluminum, steel, prototype and production tooling.


Standard plastic to High Temperature plastic.

D&F Corporation

Luckmarr Plastics

Luckmarr is dedicated to quality, price, and team effort!


The production requirements of our clients are met by a full line of VanDorn injection molding machines that range in capacity from 85 ton to 1,500 ton.


Luckmarr Plastics has 12,000 square feet of efficiently managed warehouse space to assure adequate warehousing of material used for production and finished products.


Extensive computerized inventory systems ensure that Luckmarr Plastics meets all customer delivery requirements including "just in time" delivery.

Detronic Industries, Inc.

Thread-Craft Inc.

Thread-Craft, Inc. is a manufacturer of mechanical linear movement actuators such as ball screw assemblies, acme or lead screws, roller screws and precision spindles. Our machining expertise also involves special tool holding devices and precision machine details. We are a full-service repair facility, capable of evaluating and repairing or remanufacturing products to OEM specifications. In addition, we offer precision machining, grinding and thread grinding services. 


Lloyd E. Johnson and Ture A. Lindholm founded Thread-Craft, Inc. in the early 1950s. Originally employing three people, Thread-Craft, Inc. occupied a total of 1,000 square feet. The initial product line consisted of threaded plug and ring gages and a thread grinding service. Thread-Craft, Inc. was relocated in 1956 to a 3,000-square-foot facility in Warren, MI . In 1958 Thread-Craft, Inc. was incorporated. 


Early in the 1960s, the majority of work consisted of worms, multiple starts, repair and new manufacture of acme screws More... and nuts thread grinding, turning and milling, and ID/OD grinding. Jobs made complete to print began to make up a large percentage of Thread-Craft's work in the mid to late 1960s. Three thousand square feet were added to the facility in 1967 in order to compensate for Thread-Craft, Inc.'s rapid growth and expanding product line.


 In the 1970s, gages were removed from the product line and the focus became machine tool oriented. Lloyd E. Johnson bought Ture A. Lindholm's shares in 1979 and became the sole owner of Thread-Craft, Inc. The following year he rented a 3,000-square-foot manufacturing plant located next to the existing facility to accommodate newly acquired turning and milling equipment. Lloyd E. Johnson retired in 1984 and was succeeded by Dennis L. Johnson as president. Thread-Craft, Inc.'s vision and commitment to quality continued.


 During the 1980s, Thread-Craft, Inc. experienced continued growth due to the ability to provide superior quality machine tool components such as machine spindles, lead screws and nuts, fixtures, and a variety of other machine tool details quickly and accurately. Ball screw assemblies were added to the product line in 1988. Special machinery and equipment was purchased to manufacture the assemblies. By 1993 it was apparent that Thread-Craft, Inc. would need an additional 3,000-square-foot rental building to assemble and package the product.


 By 1994, Thread-Craft, Inc. could no longer continue to grow in its 12,000-square-foot facility. The process of planning a new facility had begun. It was determined that the office and manufacturing space would need to double, and production machines and material handling aids such as overhead cranes would be necessary. In designing the new manufacturing space, the company emphasized employee health and comfort, including climate control and a state of the art air purification system.

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Suppliers with ISO 9001 Certification located in (Sterling Heights)

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