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.

November 20, 2018AnodizingIndustry

In this video we discuss Semano’s weakness, or more accurately, capacity challenges. We give an overview of the new anodizing line and what implications it has for our capacity.

November 2, 2018Anodizing

This is the first video in our new weekly video blog from President of Semano, Frank Largusa. In this video Frank will give a brief overview of Semano including our processes and strengths. Below is a transcript from the video.

October 9, 2018Anodizing

In this article, we’ll list some of the properties of anodized aluminum and their respective uses in different industries.

“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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