Alcatel
Provides high speed Internet equipment connecting residences and small businesses.

Petaluma

Telecommunications

500 - 999

Calix Networks
Optical networking firm focused on developing products to accelerate fiber-based service deployment.

Petaluma

Telecommunications

250 - 499

Centellax
Developer of components for broadband microwave applications and high-speed optical communications.

Santa Rosa

Telecommunications

25 - 99

JDS Uniphase
Producer of high-speed fiber optic communication products.

Santa Rosa

Telecommunications

500 - 999

Meriton Networks
Developers of optical transport technology.

Petaluma

Telecommunications

250 - 499

Motorola Next Level Communications
Telecomm firm.

Rohnert Park

Telecommunications

250 - 499

Sonoma Photonics
Producer of thin film optical products for the telecommunications industry.

Santa Rosa

Telecommunications

25 - 99

Symmetricom
Supplier of network synchronization and timing solutions.

Santa Rosa

Telecommunications

unknown

Teknovus
Developer of fiber-to-the-home solutions.

Petaluma

Telecommunications

25 - 99

Tellabs
Telecommunications Equipment Provider.

Petaluma

Telecommunications

100 - 249

Texas Instruments
Producer of high-performance transmission elements for digital communications networks.

Santa Rosa

Telecommunications

25 - 99

Zhone Technologies
Telecommunications firm.

Rohnert Park

Telecommunications

25 - 99