Decker Machine Works

Decker Machine Works Decker Machine Works is a second generation family owned manufacturing company in Greenfiel, Mass. AS9100:2016 and ISO9001:2015

Decker Machine Works is a precision CNC machining company that specializes in aerospace, communucations and energy sectors. At Decker Machine Works, we are strongly committed to consistent quality and timely delivery. For almost thirty years, our specialty has been fabrication of multi-axis machined parts to exacting customer specifications across the full spectrum of materials from polymers to su

per-alloys. Whether your run is large or small, prompt production at the highest level of quality is our standard. We service all sectors of industry, and thrive on challenge and innovation. We offer complete solutions to fit your needs. We strive more than anything else to build mutually profitable, strong, ongoing relationships with our customers.
“Providing Ultra Precision Machining since 1982”


We employ cutting-edge technology and our business values are based on a philosophy
of continuous improvement. Our customers rely on our proven capabilities to manufacture a wide array of parts, including those with high degrees of complexity and extremely tight tolerances. We are committed to Quality, Efficiency and Reliability and are dedicated to customer satisfaction. Our state-of-the-art CNC machinery enables us to work in all materials including high temperature alloys, refractory metals and titanium, and to specialize in parts requiring extremely tight tolerances. We have a variety of machinery to provide the superior level of quality and precision our Customers have come to expect.

Some very tight spaces to thread mill on a Citizen L20. If it clears it clears! Since 1982 our team at Decker Machine Wo...
04/28/2026

Some very tight spaces to thread mill on a Citizen L20. If it clears it clears!

Since 1982 our team at Decker Machine Works has specialized in precision machining in Aerospace, Automotive, Defense, Life Sciences, Ceramic to Metal, Communications, Medical and Microwave Industries.

AS9100:2016 and ISO 9001:2015 Registered / ITAR Registered
CMMC 2.0

Need machining done? Drop us a quote request! Made in the USA!

Looking for a career? Submit your resume on our website.

Visit our website:

www.deckermachineworks.com

Some nicely turned stainless steel part on a Saturday at Decker Machine Works!
03/28/2026

Some nicely turned stainless steel part on a Saturday at Decker Machine Works!

03/05/2026

Vertical Milling Evening at Decker Machine Works! Around the clock machining done here in the good old USA!

03/01/2026

Okuma Horizontal Milling Machine making some parts for the Hermetic Industry.

Since 1982 our team at Decker Machine Works has specialized in precision machining in Aerospace, Automotive, Defense, Life Sciences, Ceramic to Metal, Communications, Medical and Microwave Industries.

AS9100:2016 and ISO 9001:2015 Registered / ITAR Registered
CMMC 2.0

Need machining done? Drop us a quote request! Made in the USA!

Looking for a career? Submit your resume on our website.

Visit our website:

www.deckermachineworks.com

Monday Morning Mill setup here at Decker Machine Works!Your source for Swiss Turning, 4 axis milling, production turning...
02/16/2026

Monday Morning Mill setup here at Decker Machine Works!

Your source for Swiss Turning, 4 axis milling, production turning and wire EDM!

Since 1982 our team at Decker Machine Works has specialized in precision machining in Aerospace, Automotive, Defense, Life Sciences, Ceramic to Metal, Communications, Medical and Microwave Industries.

AS9100:2016 and ISO 9001:2015 Registered / ITAR Registered
CMMC 2.0

Need machining done? Drop us a quote request! Made in the USA!

Looking for a career? Submit your resume on our website.

Visit our website:

www.deckermachineworks.com

Paint making your tool hardware when setting up multiple machines ensures that you do not miss a step. It also helps if ...
02/12/2026

Paint making your tool hardware when setting up multiple machines ensures that you do not miss a step. It also helps if a setup is in process and a machinist is out sick that you can pick up where they left off.

Since 1982 our team at Decker Machine Works has specialized in precision machining in Aerospace, Automotive, Defense, Life Sciences, Ceramic to Metal, Communications, Medical and Microwave Industries.

AS9100:2016 and ISO 9001:2015 Registered / ITAR Registered
CMMC 2.0

Need machining done? Drop us a quote request! Made in the USA!

Looking for a career? Submit your resume on our website.

Visit our website:

www.deckermachineworks.com

Early morning machining here at Decker Machine Works!Since 1982 our team at Decker Machine Works has specialized in prec...
02/04/2026

Early morning machining here at Decker Machine Works!

Since 1982 our team at Decker Machine Works has specialized in precision machining in Aerospace, Automotive, Defense, Life Sciences, Ceramic to Metal, Communications, Medical and Microwave Industries.

AS9100:2016 and ISO 9001:2015 Registered / ITAR Registered
CMMC 2.0

Need machining done? Drop us a quote request! Made in the USA!

Looking for a career? Submit your resume on our website.

Visit our website:

www.deckermachineworks.com

Friday Evening setup on a CMZ 66mm twin turret lathe. Indicating the live tools in.Since 1982 our team at Decker Machine...
01/23/2026

Friday Evening setup on a CMZ 66mm twin turret lathe. Indicating the live tools in.

Since 1982 our team at Decker Machine Works has specialized in precision machining in Aerospace, Automotive, Defense, Life Sciences, Ceramic to Metal, Communications, Medical and Microwave Industries.

AS9100:2016 and ISO 9001:2015 Registered / ITAR Registered
CMMC 2.0

Need machining done? Drop us a quote request! Made in the USA!

Looking for a career? Submit your resume on our website.

Visit our website:

www.deckermachineworks.com

01/23/2026

Thursday milling on a vertical Doosan Mill here at Decker Machine Works!

Since 1982 our team at Decker Machine Works has specialized in precision machining in Aerospace, Automotive, Defense, Life Sciences, Ceramic to Metal, Communications, Medical and Microwave Industries.

AS9100:2016 and ISO 9001:2015 Registered / ITAR Registered
CMMC 2.0

Need machining done? Drop us a quote request! Made in the USA!

Looking for a career? Submit your resume on our website.

Visit our website:

www.deckermachineworks.com

Time for the first setup on our new Okuma Horizontal Mill!Since 1982 our team at Decker Machine Works has specialized in...
01/21/2026

Time for the first setup on our new Okuma Horizontal Mill!

Since 1982 our team at Decker Machine Works has specialized in precision machining in Aerospace, Automotive, Defense, Life Sciences, Ceramic to Metal, Communications, Medical and Microwave Industries.

AS9100:2016 and ISO 9001:2015 Registered / ITAR Registered
CMMC 2.0

Need machining done? Drop us a quote request! Made in the USA!

Looking for a career? Submit your resume on our website.

Visit our website:

www.deckermachineworks.com

Newest addition for 2026! Time to cut some chips!Since 1982 our team at Decker Machine Works has specialized in precisio...
01/16/2026

Newest addition for 2026! Time to cut some chips!

Since 1982 our team at Decker Machine Works has specialized in precision machining in Aerospace, Automotive, Defense, Life Sciences, Ceramic to Metal, Communications, Medical and Microwave Industries.

AS9100:2016 and ISO 9001:2015 Registered / ITAR Registered
CMMC 2.0

Need machining done? Drop us a quote request! Made in the USA!

Looking for a career? Submit your resume on our website.

Visit our website:

www.deckermachineworks.com

Wednesday Morning setup on a Okuma Lathe.Since 1982 our team at Decker Machine Works has specialized in precision machin...
01/14/2026

Wednesday Morning setup on a Okuma Lathe.

Since 1982 our team at Decker Machine Works has specialized in precision machining in Aerospace, Automotive, Defense, Life Sciences, Ceramic to Metal, Communications, Medical and Microwave Industries.

AS9100:2016 and ISO 9001:2015 Registered / ITAR Registered
CMMC 2.0

Need machining done? Drop us a quote request! Made in the USA!

Looking for a career? Submit your resume on our website.

Visit our website:

www.deckermachineworks.com

Address

201 Munson Street
Greenfield, MA
01301

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

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