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  7. LSI Computer Systems, Inc. (LSI/CSI)
LSI Computer Systems, Inc. (LSI/CSI) logo

LSI Computer Systems, Inc. (LSI/CSI)

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Melville, NY 11747
631-271-0400
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At a glance

Employee size
11-50
Organization type
Privately Held
Headquarters
Melville, NY
Founded
1969

About

Founded in 1969 by Alvin Kaplan and Attila Tetik, LSI Computer Systems, Inc. began as the world’s first fabless semiconductor company. Today, the Melville, New York firm designs and produces integrated circuits for manufacturers whose products depend on precise electronic control, including full-custom chips developed for specific high-volume applications.

Capabilities and markets

Products

Manufacturing processes

Materials worked

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End markets served

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Certifications and registrations

Certifications

  • RoHS Compliant

    Compliance program

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  • Polyfusion Electronics Inc logoPolyfusion Electronics IncSince its incorporation in 1975, Polyfusion Electronics has grown from a two-person basement operation into a Lancaster, New York, manufacturer with a custom-designed 20,000-square-foot facility. The company is known for keeping design work in-house while producing electronic systems for manufacturers in fields such as robotics and medical equipment.LANCASTER, NY
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Contact information

Website

lsicsi.com

Emails

  • service@lsicsi.com

Phone numbers

  • 631-271-0400

Social

Locations

LSI Computer Systems, Inc. (LSI/CSI) location map for 1235 WALT WHITMAN RD

1235 Walt Whitman Rd

Melville, NY 11747

Suffolk County

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Directory source

Source
lsicsi.com
Updated
Sep 2026