Best Black Oxide Plating & Coating

Black oxide plating can be performed on steel, stainless steel, cast iron, copper & brass materials. Black oxide plating capabilities include retaining surface properties & absorption of oil & wax.

Why Choose Us?

Size Doesn't Matter

We are able to accommodate large pieces up to 20ft in size. Contact us for a free quote.

Barrel and Rack Capabilities

When handling your items, we want to make sure that handle it with care. We offer both barrel and rack capabilities.

Packaging & Delivering

We want to make sure that your client received the package and order on time. That's what separates us from our competitors.

About Us

EMF Finishing Inc. - The leader is Black Oxide Coating and more!

EMF Finishing Inc. has adopted the latest technology in both production equipment and chemistry, specializing in black oxide, antique finishing, passivation, zinc plating, anodizing, pickled and oiled plating, and more! We are committed to the protection of the environment, and comply with all local, state and federal environmental regulations.

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Black Oxide

Black Oxide is a conversion coating that produces a chemical black finish on iron or steel by converting the surface to black iron oxide.

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We use the passivation process to provide the maximum elimination of all ferrous contamination, and microscopic impurities on multiple varieties of stainless steel used in the marketplace.

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Parkerizing is an age-old process, similar to anodizing but without electrical current. Parkerizing is the process of protecting ferrous metals from corrosion and wear by applying a chemical coating.

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Pickling and Oiling

We perform batch pickling and oiling of hot rolled carbon steel products of many different types. We can pickle flat bars, angles, tubing and plate material up to 20 feet long.

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Sand Blasting

We offer quality, affordable sandblasting services, which can safely and effectively clean and prepare a multitude of surfaces.

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Zinc Plating

Barrel zinc plating is the electrolytic deposition of pure zinc metal on conductive base metals, usually steel and cast iron. The zinc plating thickness applied all depends on the application or customer requests.

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Our plating processes are proprietary, and industry unique, and we can create any custom finish to meet your needs. This provides you with the quality craftsmanship and customer service you are looking for in metal plating your project.

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(708) 695-5115

Why Choose us

Choose the right energy for your usage NEEDS

Work Efficiency

We work efficiently and carefully to make sure that every metal finishing project and deadline gets completed on time. You will notice the different between us and other shops.

Customer Service

All of us at EMF Finishing are committed to providing you with service that is unrivaled in the machining industry. You’ll appreciate the difference when you work with EMF Finishing.


We will do whatever is necessary to meet or exceed the contract specification of your metal finishing project. We specialize in custom, unique finishes. Bring us your project and we will create your specified finish.


With over 20 years of experience, this is what we love to do. We also have employees that have been working at EMF Finishing for over 15 years! This is our passion and desire.


Our production and process efficiencies allow us to provide very competitive pricing. New customers are pleasantly surprised when they reach out to us for our same day pricing.

Quick Turnaround

Have a tight deadline? EMF Finishing is here for you. When most other shops are asleep, we’re hard at work, ensuring we exceed our customers’ expectations.


Providing premium metal finishes of exceptional value

We take great pride in our industry leading metal finishing service. This is the core of our metal finishing business, and is something we take seriously. We work on small, medium or large projects.

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Best Metal Finishing Company

Our experienced and skilled metal finishing team is committed to delivering a quality, custom metal finish on time, and at a competitive price.