U. S. Circuit

What U. S. Circuit does

U.S. Circuit, Inc. is a privately held printed circuit board (PCB) fabricator founded in 1985 and headquartered in Escondido, California. The company manufactures both commercial and military-grade printed circuit boards, with stated capabilities of up to 20 layers, 18"x24" maximum panel size, 3 mil line/space resolution, and a proprietary Direct Impingement copper plating line capable of 20:1 aspect ratios. It holds the certifications required for U.S. defense and aerospace supply chains: MIL-PRF-31032 QPL (GF and GI), MIL-PRF-55110 with etchback approval, ITAR registration, AS9100, and ISO 9001, alongside UL 94V-0 flammability and REACH SVHC compliance.

The company operates from a single 40,000 sq ft facility (37,500 sq ft manufacturing, 2,500 sq ft administration) completed in 2005, and supplements direct sales with a satellite sales office (Multilayer Technology) in Arlington, Texas established in 2019 to serve the Texas aerospace corridor. Its revenue model is custom B2B contract manufacturing: customers request quotes based on specifications (layer count, materials, finish, volume) and the company delivers with 3–4 week standard lead times plus quick-turn options. It serves more than 400 customers, with the majority of demand concentrated in military and aerospace applications requiring ITAR compliance and MIL specifications, complemented by commercial electronics customers. Marketing is primarily direct/relationship-based through the company website, brochure distribution, and field sales rather than channel intermediaries.

The technology stack is conventional industrial PCB fabrication: Excellon drilling and routing equipment, Orbotech Genesis 2000 CAM stations, Multiline XRT 7000 X-ray post-lamination inspection, March Plasma Systems plasma etchback, ATG A5 flying probe testers for netlist testing, and Polar Instruments CITS 500s / SI 6000b controlled impedance test and design systems. The company is independent — no parent, no disclosed private equity backing, no funding rounds, no public listings — and is operated as a standalone private corporation serving the U.S. domestic PCB market.

Name

U. S. Circuit

Legal name

U.S. Circuit, Inc.

Website

https://uscircuit.com

Company type

Private

Founded year

1985

Operating status

Operating

Headcount range

251–500 employees

Short description

U.S. Circuit, founded in 1985 in Escondido, California, manufactures commercial and military-grade printed circuit boards for 400+ customers, with ITAR, MIL-PRF-31032, and AS9100 certifications serving U.S. defense and aerospace primes from a 40,000 sq ft facility.

Ownership category

akta.pro rank

Product category

Printed Circuit Board Fabrication

NAICS

Bare Printed Circuit Board Manufacturing (334412)

SIC

Printed Circuit Boards (3672)

akta.pro primary industry

PCB Fabrication (Rigid PCBs) (HDAHAOAG)

akta.pro secondary industries

Printed Electronics & Advanced Substrates (HDI, IC Substrates, Embedded Components) (HDAHAOAK), Industrial PCB & Substrate Components (Bare PCBs, rigid-flex, ceramic substrates, thick-film) (IMAGAJAM)

Keywords

• Printed circuit boards
• PCB fabrication
• Military aerospace PCBs
• Multilayer circuit boards
• Commercial PCB manufacturing

Headquarters

HQ city

Escondido

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. PCB Manufacturing Services: Custom printed circuit board fabrication for commercial and military/aerospace customers. Revenue generated from one-time product orders based on customer specifications, with varying complexity and layer counts (up to 20 layers). Lead times of 3-4 weeks standard, with quick-turn options available.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels1 record

Core offering

U.S. Circuit manufactures custom printed circuit boards (PCBs) for commercial and military/aerospace customers from its 40,000 sq ft facility in Escondido, California. The company produces boards with up to 20 layers and supports standard lead times of 3-4 weeks with quick-turn options available, leveraging proprietary Direct Impingement copper plating technology and a full suite of MIL-spec and ITAR certifications.

Product overview

U.S. Circuit is a premier Printed Circuit Board (PCB) fabrication company offering two primary product lines: Commercial Printed Circuit Boards for general market applications and Military Printed Circuit Boards for defense and aerospace sectors. The company also operates Multilayer, a satellite sales office providing regional customer support. Founded in 1985, the company delivers boards with capabilities including up to 20 layers, 18"x24" panels, and supports various finishes including HASL, Immersion Gold, Immersion Silver, and OSP.

Differentiator

Problem solved

Functional benefit

Brands

• Multilayer: Satellite sales office providing local sales assistance and customer support, located in Arlington, Texas.

Products and services

• Commercial Printed Circuit Boards Standard printed circuit boards manufactured for commercial applications, featuring capabilities including up to 20 layers, 18"x24" max panel size, .004" minimum line/width spacing, and .006" minimum drilled hole size. Available surface finishes include HASL, Immersion Gold, Immersion Silver, and OSP. Target customers are commercial electronics OEMs requiring quality PCB fabrication with competitive lead times (standard 3-4 weeks) and quick-turn options.
• Military Printed Circuit Boards High-reliability printed circuit boards designed for military and aerospace applications, certified to MIL-PRF-31032, MIL-PRF-55110 (with Etchback approved for GFN and GIN materials), and ITAR standards. Manufactured using proprietary Direct Impingement copper plating for 20:1 aspect ratios and superior plating quality. Target customers are military and aerospace prime contractors and defense electronics manufacturers requiring high-reliability PCBs that meet strict military specifications.

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

One partnership is on record.

• MultilayercoreChannel Partner/ Reseller/ DistributorMultilayer operates as a satellite sales office for U.S. Circuit, providing local sales assistance and customer support. Located in Arlington, TX, it serves as an extension of U.S. Circuit's sales operations to better serve customers and expand market presence in the Texas region.

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Advanced Circuits: Aurora, CO-based US PCB fabrication house serving commercial and military customers with quick-turn and production volumes. Closely comparable to U.S. Circuit in size, customer mix, and quick-turn lead-time positioning.
• Sierra Circuits: Sunnyvale, CA-based PCB prototyping and fabrication company serving commercial and aerospace/defense customers. Highly comparable to U.S. Circuit in technology stack (multilayer, HDI) and Southern California market overlap.
• Bay Area Circuits: Fremont, CA-based quick-turn and production PCB manufacturer serving commercial and industrial markets. Comparable in scale, quick-turn lead time model, and Northern/Southern California competitive footprint.
• APCT: Santa Clara, CA-based PCB fabricator offering rigid, flex, rigid-flex, and HDI boards for aerospace, defense, medical, and industrial customers. Direct US competitor with overlapping mil/aero certification focus.
• Summit Interconnect: Irvine, CA-based PCB fabricator serving defense, aerospace, and commercial markets with MIL-spec certifications. Closest direct US peer given overlapping certifications, geography, and customer segment focus.

Broad incumbents

• TTM Technologies: Costa Mesa, CA-based large public PCB manufacturer serving aerospace/defense, automotive, computing, and medical markets globally. Broad incumbent with overlapping mil/aero customer base but far larger scale and multi-site footprint.
• Sanmina: San Jose, CA-based global EMS provider with PCB fabrication as part of an integrated manufacturing services portfolio. Competes with U.S. Circuit in mil/aero PCB but bundled with assembly and full-system services.
• Multek: Santa Clara, CA-based (Flex subsidiary) PCB fabricator specializing in HDI, rigid, flex, and substrate-like PCBs for communications, automotive, and consumer markets. Overlaps with U.S. Circuit on multilayer and HDI capabilities at much larger scale.
• NCAB Group: Sweden-based global PCB sourcing company supplying bare PCBs from vetted Asian and European fabricators to industrial, automotive, and aerospace customers. Competes indirectly for the commercial portion of U.S. Circuit's order book.

Emerging players

• PCBWay: China-based PCB and PCBA service offering prototype and small-batch fabrication globally. Adjacent competitor primarily to U.S. Circuit's commercial segment on price, but does not directly compete in ITAR/MIL-spec defense work.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/u.-s.-circuit-inc.

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about U. S. Circuit