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 will double our capacity once we receive final approval from the city. We anticipate final approvals before the end of the year.

Latest news and events

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

November 2nd


We will be closed November 22nd and 23rd for Thanksgiving.

August 27, 2018Uncategorized

Here’s a fun video that covers DIY Nickel Plating. Obviously our process much different, but it does shed some light on foundational principles of nickel plating.

August 27, 2018Anodizing

Curious about how anodizing works? Here is a great introduction:

“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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