Here for your most technically demanding anodizing jobs

Semano is a world class anodizing company that was founded in 1993 to serve the high tech industry. We have established ourselves as a leader in the industry through our commitment to quality, performance, and fast turnaround.

What we do

The following are just some of the services offered:



Chemical Cleaning

Chemical Cleaning

Selective Nickel

Selective Nickel




New Processing Line

Due to increased demand we have added a second line that has allowed us to double our capacity.

Latest news and events

Discover what’s new, upcoming events, and our latest thinking.

New Line Approval

We are excited to report that after years in development, that new line has been officially been signed off by the city and Applied Materials

November 12, 2019Anodizing

A common engineering question is whether to use a type 2 or type 3 spec for anodizing. In this short article, we will discuss some common considerations that will hopefully guide you to the best approach.

April 3, 2019Uncategorized

Our anodizing facility is comprised of two buildings and over 24,000 square feet and is strategically located in Hayward, CA. This location allows us to serve the silicon valley markets effectively, but also close enough for customers located in Livermore to have easy access to our facility.

February 25, 2019Anodizing

When looking for a California anodizer, there are a variety of factors that go into making your decision. The first factor any machine shop or OEM will want to verify is that the California anodizer offers the services that you require. Do you need a 3 mil anodize coating? Perhaps you need black or gold dye. You’ll want to verify that the anodizing company, in fact, offers these services. 

“Semano was built on relationships and trust. Everyday we go to work to maintain those relationships by constantly delivering unmatched quality to our customers. ”

Frank Largusa CEO
31757 Knapp St, Hayward, CA 94544

Strategically located in Silicon Valley, we are able to offer our Bay Area customers incredibly fast transit times at significantly lower costs than competitors.

Give us a call to find out what we can do for you.
510 489-2360

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