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Special thanks to our friends at Redwood Electric for rockin' their Signal Engineering sunglasses!


The sales team at Signal Engineering & Supply Inc. is dedicated to meeting the specific needs and applications of our customers. Nothing is beyond our reach to source or fabricate. Our customer base represents a wide variety of markets - they include electrical contractors, educators, service providers, scientific researchers, film studios, and many more. No matter the application, Signal Engineering & Supply Inc. will provide. 

Dedicated research

We do leg work. Not sure what is best for your project? Which cable to use? What patch panels to put in?


We got you. We've been figuring it out for 32 years. Let us do the dirty work for you and get the answers you're looking for.


Send us a question and we will get get you a solution expeditiously, every time.

Quality Products

Quality products from a variety of trusted manufacturers. Signal has been depended upon by the Bay Area's biggest companies to provide the tools and supplies that are needed to get the job done.

We pride ourselves on providing you with what you need, when you need it, with up to date tracking and availability.


Find what you need today!

Helpful staff

Our experienced and dedicated staff span a variety of backgrounds, and combine to make a team that works for the customer.

Get to know us through facebook, twitter, and over the phone!


We pride ourselves on our friendly and familial approach to professional supply needs.


"You guys are awesome!  You are always there when I need you and deliver everything on time, 

which is key for me here at Intel.  I have been working with you guys for 6 years now and 

you have yet to miss a delivery date.  Keep up the outstanding customer service."

- Black Box Network Services


"You and your staff have built a great working relationship with every individual

within our Data group. Your continued support and 'can do' attitude has more than once 

made an impossible situation possible. At the end of the day, we are fortunate to 

have an organization of your caliber on our team. I look forward to a continued working 

relationship and would like to give you and all of your staff a sincere Thank You."

- Sprig Electric


"I have worked with Signal Engineering for over 15 years and received 

fantastic customer service on every order. What’s more, I have consistently been 

impressed by the fact that if Mike could not find the component I needed, 

he would fabricate it in-house. Keep up the good work!"

- SRI International


"In a word, dependable is how I would describe Signal Engineering & Supply Inc. 

In addition to consistently low prices, all requests for quotes are expeditiously returned 

and we can always count on swift order placement, not to mention excellent communication 

in regards to lead time and delivery status."

CH Reynolds

Acutherm designs, manufactures and distributes a line of modular VAV systems and thermally powered VAV diffusers for use in HVAC systems.


 Aviat Networks
Aviat Networks is the wireless expert in advanced IP network migration, building the foundation for the 4G/LTE broadband future.

Black Box Network Services
Black Box sells, installs, and maintains communications solutions, such as the latest in unified communications, contact center, network security, traditional telephony, and more.

CH Reynolds Electric
CH Reynolds provides Electrical and Data Communication Construction services and manufactures power cycling equipment and cable assemblies.


Cisco Systems, Inc. is an innovator in technology concerning the areas of network systems, voice and video, data centers, and more.

Cupertino Electric
CEI designs, installs, commissions, upgrades, and maintains electrical infrastructure systems.

Cyber Switching
Cyber Switching designs and manufactures power distribution units for distributing power to rack equipment. PDUs manage power to blade servers, routers, switches, SANs, etc.

Dreamworks Animation
Dreamworks Animation SKG is devoted to producing high-quality family entertainment through the use of computer-generated (CG) animation.


 Fiber Internet Center
Fiber Internet Center is an ISP through which your packets travel through as few networks as possible. FIC operates their own BGP direct-peering routers on major peering networks.


Layer42 offers a broad range of Internet connectivity and Co-location services for businesses in every stage of development. We are proud to deliver top quality solutions customized to your business requirements at affordable rates.


 LRC Communication
LRC's RF engineers are leaders in the Communications Industry specializing in an impressive range of services including large scale broadband deployment and point-to-point microwave links.

NASA Ames Research Center
As a leader in information technology research with a focus on supercomputing, networking and intelligent systems, Ames conducts the critical R&D and develops the enabling technologies that make NASA missions possible. Ames also is a leader in nanotechnology, fundamental space biology, biotechnology, aerospace and thermal protection systems, and human factors research.


 Redwood City Electric
Redwood City Electric provides electrical design, engineering and construction services, with experience in a wide range of projects. RCE is also a provider of life safety, security and network cabling systems.


 SASCO Electric
SASCO is a leader in electrical construction, consulting, and low-voltage systems technologies. Operating from offices throughout the Western United States, SASCO performs work for clients worldwide.


 Sprig Electric

Sprig Electric designs and installs electrical, data/communications and fire alarm systems. Sprig is predominantly a design/build, specialty contractor, with a portfolio that includes commercial, residential, life-science, data center, health care, institutional, and retail projects.

SRI International
SRI International is an independent, nonprofit research institute conducting client-sponsored research and development for government agencies, commercial businesses, foundations, and other organizations. SRI also licenses its intellectual property and creates new ventures.


 Stanford University
Located between San Francisco and San Jose in the heart of Silicon Valley, Stanford University is recognized as one of the world's leading research and teaching institutions.



APC - Premier Partner

We are able to provide quality APC products and services for lower prices than average.


Sweetest dog of 2016, avid treat consumer, and overall cutie-pie, Jingles commands respect among all who know her.

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