DFF Corporation

In 1969, DFF began servicing our customers with low volume prototype components. Prototype orders led to production orders and eventually to fully-tested electro-mechanical assemblies.


Today, DFF has grown into a contract manufacturer specializing in medium to high volume production of precision machined components and electro-mechanical assembly products. In addition, DFF offers engineering design assistance such as (DFM), design for manufacturing, (DFA), design for assembly and GD&T enhancements.


At DFF we believe that responsiveness to our customer needs will continue to separate us from our competition.

ETCS, Inc.

ETCS INC is an Engineering, tooling, components systems company headquartered in the Metro-Detroit area. As its name suggests, ETCS specializes in four distinct lines of business. 


Engineering: This includes product optimization, manufacturing feasibility via CAE, stamping tool design, injection mold design, and fixture design. 


Tooling: ETCS builds over a 100 stamping dies, injection molds and fixtures a year. This includes tools of all sizes, many of which are made here in the United States. We also have tooling capabilities around the globe to keep cost competitive for the customers we supply. Even though these tools are sometimes produced overseas, they are landed, grained, modified, if necessary, and bought off in North America. 


Components: ETCS supplies interior and exterior plastic parts and assemblies (Injection molded, up to 1000T). Some parts ETCS has supplied include: door handles, air vents, seating for the automotive industry; appliances for the kitchen industry. ETCS also More... specializes in aluminum die cast and machined components for Powertrain. 


 Staffing: ETCS also assists OEMs & Tier suppliers with short term & long term contract labor.

Machine Specialty & Manufacturing, Inc.

Salberg Machine LLC

Janco, Inc.

With over 50 years of experience providing contract plastic fabrication and medical manufacturing services, Janco Incorporated has become a trusted resource for customers in the medical, consumer, electronic, and industrial market sectors. Businesses ranging from medical OEMs to sporting goods manufactures continually turn to Janco Incorporated for fast, reliable, and competitive contract fabrication and manufacturing that puts a constant focus on lean production and quality assurance.

Amherst Tool

KeySpin Manufacturing LLC

As a "spin off" from Keystone Dental, Liz Cacciola and Paul Stagliano partnered to purchase the machining assets from Keystone Dental to transition component machining from an internal Keystone department/function to an independent full-service contract manufacturer/supplier, specializing in Swiss CNC machining.


KeySpin Manufacturing was chosen as a name that speaks to our origins as a "spin off" from Keystone Dental and our focus on Swiss turning; or "spinning".


With our "roots" in machining dental components, our core competency is fabricating small parts with tight tolerances primarily made from titanium, stainless steel and high temperature/engineered plastics such as PEEK, UltemÂ®, and glass filled polycarbonate.


Our quality system has been assessed and approved to ISO 13485:2016.


With over 30 years experience working in regulated environments, we understand the documentation and traceability requirements of the medical device industry.

Sparton Technology Corp.

Customers count on our consistency and relentless commitment to providing better parts than our competitors. A tour through our immaculate facility is sure to impress most perspective customers and employees. Our equipment is of the latest in technology and automation while our well trained staff can be counted on year after year to maintain our high standards of workmanship. Partner with us for a great long term solution to your manufacturing needs.


Throughout our 40 years in business, Sparton has always maintained a reputation built on quality and honesty. Our service offerings have grown through the years, from prototype machining back in 1972 to full CNC production machining, precision sheet metal fabrication, and mechanical assemblies.

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Specialized services

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Specialized solutions and distribution

Industry Expertise

Suppliers for Aerospace specializing in Plastics UHMW

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