Insights

Established Industry Presence Sierra Circuits has a long-standing history in PCB manufacturing and assembly since 1986, serving over 20,000 customers, indicating a strong market presence and a well-established customer base that can be leveraged for upselling and new product introductions.

Certification & Quality Assurance The company's ISO-9001:2008, ISO 13485:2003, and MilSpec MIL-P-55110 certifications demonstrate high standards of quality and reliability, making it an attractive partner for clients requiring certified manufacturing, potentially leading to larger or more complex projects.

Technological Innovations Recent product launches like Trace Width Calculator and Turnkey Pro highlight Sierra Circuits’ focus on providing value-added online tools and services, presenting opportunities to cross-sell complementary software solutions or enhance digital engagement strategies.

Growth and Expansion The company’s revenue range of 25 million to 50 million, along with their recent website relaunch and service innovations, suggest an expanding operation with room to grow through targeted outreach to existing and new clients seeking advanced PCB solutions.

Market Focus and Differentiators As a family-run, minority and women-owned business specializing in high-density interconnect technology and comprehensive PCB services, Sierra Circuits can appeal to clients valuing supplier diversity and advanced manufacturing capabilities, opening avenues in niche markets and government contracts.

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Sierra Circuits Tech Stack

Sierra Circuits uses 8 technology products and services including CIM Technologies, cdnjs, CAM350, and more. Explore Sierra Circuits's tech stack below.

CIM Technologies
Cad & Graphics
cdnjs
Content Delivery Network
CAM350
Design
Webpack
Development
Shopify
E-commerce
Indeed
Human Resource Management System
Application Request Routing
Load Balancers
Paylocity
Recruitment Marketing

Media & News

Sierra Circuits's Email Address Formats

Sierra Circuits uses at least 1 format(s):

Sierra Circuits Email Formats	Example	Percentage
FirstL@protoexpress.com	JohnD@protoexpress.com	86%
FirstLast@protoexpress.com	JohnDoe@protoexpress.com	7%
F.Last@protoexpress.com	J.Doe@protoexpress.com	4%
FLast@protoexpress.com	JDoe@protoexpress.com	3%

Frequently Asked Questions

Where is Sierra Circuits's headquarters located?

Sierra Circuits's main headquarters is located at 1108 West Evelyn Avenue, Sunnyvale, CA 94086, US. The company has employees across 4 continents, including AsiaNorth AmericaEurope.

What is Sierra Circuits's phone number?

You can contact Sierra Circuits's main corporate office by phone at

+1-408-735-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Sierra Circuits's official website and social media links?

Sierra Circuits's official website is protoexpress.com and has social profiles on LinkedIn.

How much revenue does Sierra Circuits generate?

As of October 2025, Sierra Circuits's annual revenue is estimated to be $56M.

What is Sierra Circuits's NAICS code?

Sierra Circuits's NAICS code is 334 - Computer and Electronic Product Manufacturing.

How many employees does Sierra Circuits have currently?

As of October 2025, Sierra Circuits has approximately 501 employees across 4 continents, including AsiaNorth AmericaEurope. Key team members include Chief Executive Officer: K. B.Head Of Training: K. M.Head Business Development,India: V. K.. Explore Sierra Circuits's employee directory with LeadIQ.

What industry does Sierra Circuits belong to?

Sierra Circuits operates in the Computers and Electronics Manufacturing industry.

What technology does Sierra Circuits use?

Sierra Circuits's tech stack includes CIM TechnologiescdnjsCAM350WebpackShopifyIndeedApplication Request RoutingPaylocity.

What is Sierra Circuits's email format?

Sierra Circuits's email format typically follows the pattern of FirstL@protoexpress.com. Find more Sierra Circuits email formats with LeadIQ.

When was Sierra Circuits founded?

Sierra Circuits was founded in 1986.

Sierra Circuits

Computers and Electronics ManufacturingUnited States501-1000 Employees

Sierra Circuits has been faithfully serving PCB designers and engineers since 1986, and has worked with over 20,000 customers since then. We specialize in PCB manufacturing and assembly and High-Density Interconnect technology. From PCB layout and design to assembly and manufacturing, Sierra Circuits handles all aspects of PCB production. We provide our customers with unprecedented quality, reliability, and a single point of support. 

No more miscommunication between multiple vendors. No more delays. Sierra Circuits is exactly what you’ve been looking for. We are ISO-9001:2008, ISO 13485:2003 and MilSpec MIL-P-55110 certified.

We are a family-run, minority and women-owned business.