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Anodized Aluminum Companies

IQS Directory is a top industrial directory listing of leading industrial anodized aluminum companies and suppliers. Access our comprehensive index to review and source anodized aluminum companies with preview ads and detailed product descriptions. These anodized aluminum companies can design, engineer and manufacture anodized aluminum products to your specifications and application need. A quick and easy to use request for quote form is provided for you to contact these anodized aluminum companies and suppliers. Each company has detailed profile information, locations, phone number, website links, product videos and product information defined. Read customer reviews and product specific news articles. We are the right resource for your information requirement whether its for a company of anodized aluminum sheets, anodized aluminum wire, anodized aluminum tubing.

  • Struthers, OH 330-755-1414

    Astro Shapes is your single source for the very best in aluminum anodizing. Over the years, we have proudly supported and specialized in transportation, machinery, electrical, medical, and many other markets. Our team works tirelessly to be a recognized leader in our industry by providing exceptional parts and service.

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  • Chavies, KY, Chatham, ON 877-556-9191

    Our team has a combined 200 years of experience in the extrusion industry, producing custom aluminum profiles for various markets and applications. We supply anodized aluminum components and assemblies to the automotive, transportation, building trades, military, consumer-product industries and even more. We lead the industry for our quality, cost effectiveness and service to our customers.

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  • Erie, PA 814-453-7531

    Erie Plating Company provides metal finishing services to hundreds of client companies in a variety of industries. We are specialists in applied chemical and mechanical metal finishing to ferrous and non-ferrous metals, with tremendous expertise in chromate conversion coatings. We are certified for aerospace coatings, military and industrial metal finishing engineering and quality systems.

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  • Southington, CT 860-621-0145

    For over 50 years, Light Metals Coloring has been one of the largest independent aluminum anodizing job shops. Light Metals Coloring provides hard coat anodizing, bulk anodizing, rack anodizing, clear anodizing, sulfuric acid anodizing, chromate conversion anodizing and color anodizing.

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  • Round Rock, TX 512-255-9296

    ISO 9001 CERTIFIED. CMT offers clear and colored anodize, black anodizefor die castings, chromate conversion and a complete line of metalfinishes, including paint and powder coat. We have OEM pricing with anormal turnaround time of three days and next-day service is available.

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businessIndustry Information

Anodized Aluminum

Anodized aluminum has undergone an electrolytic process in order to gain increased corrosion and wear-resistance, amongst many other benefits, due to the high susceptibility of un-treated aluminum alloys to corrosion. Anodized aluminum products are important throughout industry and commerce.

Aluminum alloys are especially weak in terms of corrosion resistance because the introduction of certain alloying elements, such as copper, iron and silicone, to natural aluminum weakens the overall resistance of the metal to eroding external forces. This weakening can also happen if the aluminum already contains any impurities. Of the various series of aluminum alloys, the two-thousand, four-thousand and six-thousand series are the most prone to corrosion. Also spelled anodised, anodized aluminum is protected from corrosion through the thickening of the outer surface layer through the process of oxidization. Although this process actually weakens the structure of many other metals, such as iron that corrodes into rust, aluminum is actually strengthened by the formation of aluminum oxide. Thus, anodized aluminum is utilized in a wide range of industries including: electronics, for protective casings of mp3 players, cameras and computer systems; construction, for door and window trim, siding and roofing; commercial, for items such as cookware, appliances and furniture frames; and industrial manufacturing, for equipment and parts such as actuators, electrolytic capacitors and scales.


As the most commonly anodized metal, anodized aluminum can be formed using a variety of anodizing processes. The three main processes used are: Type I anodizing, or chromic acid anodizing, Type II anodizing, or sulfuric acid anodizing, and Type III anodizing, or sulfuric acid hardcoat anodizing (also known as simply hard anodizing). However, these are not the only anodizing processes used, just the most common. Other types include boric/sulfuric acid anodizing, thin film sulfuric acid anodizing, organic acid anodizing and phosphoric acid anodizing. For mass production of anodized aluminum, a method referred to as bath anodizing is commonly used. In bath anodizing, a tub is filled with the anodizing acid and the aluminum is immersed, with anodes, or electrochemical cells, attached to the surface layer. Next, a power supply is turned on, introducing an electrical current that moves through the acidic solution and reacts to the anodes, thus producing oxygen. A cathode is also attached to the tub's side, producing hydrogen as oxygen is produced. The oxygen reacts to the surface layer of the aluminum and changes it into a thin film of aluminum oxide, the thickness of which depends upon the voltage of the electrical current.


Anodized Aluminum
Anodized Aluminum - Dajcor Aluminum Ltd.