AQS

What AQS does

AQS is a privately held Electronics Manufacturing Services (EMS) provider headquartered in Fremont, California, in the Silicon Valley region. According to firmographic data, the company has been serving customers since 1991 and employs between 501 and 1,000 people, positioning it as an established mid-market contract manufacturer within the regional OEM supply chain.

The company’s core offering is contract electronics manufacturing — the assembly, testing, and delivery of electronic assemblies on behalf of OEM customers — a function inferred from the EMS descriptor in the firmographic record and consistent with the company’s Silicon Valley location and 30+ year operating history. No specific product list, certification portfolio, or customer roster was disclosed in the available input, and the company’s website (aqs-inc.com) returned only a loading/verification page at the time of data collection, so technical capabilities, manufacturing lines, and end-market verticals cannot be specified beyond the standard EMS service envelope.

AQS operates as a private, for-profit entity. Leadership records indicate John Lee as Chief Executive Officer and David Pieroni as Founder. The revenue model is not disclosed but, consistent with industry practice for an EMS firm of this size and tenure, would typically be a unit-priced, volume-based contract model with long-tail OEM customers across compute, communications, industrial, or instrumentation end markets. No pricing, GTM, customer-segment, or channel detail was available in the source data.

Name

AQS

Website

https://aqs-inc.com

Company type

Private

Founded year

1991

Headcount range

501–1,000 employees

Short description

AQS is a privately held Silicon Valley (Fremont, CA) contract electronics manufacturer founded in 1991, employing 501–1,000 people, that provides assembly and manufacturing services to OEM customers in the regional electronics supply chain.

Ownership category

akta.pro rank

Product category

Electronics Manufacturing Services

NAICS

Semiconductor and Other Electronic Component Manufacturing (3344)

SIC

Misc Industrial & Commercial Machinery & Equipment (3590)

akta.pro primary industry

Industrial Electronics Manufacturing Services (EMS) (IMAGAGAA)

akta.pro secondary industry

Industrial Power & Energy Electronics Manufacturing Services (UPS, converters, inverters, chargers) (IMAGAGAI)

Keywords

• Electronics manufacturing services
• Contract manufacturing
• PCB assembly
• Box build assembly
• Prototype manufacturing

Headquarters

HQ city

Fremont

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Core offering

AQS is a Silicon Valley-based electronics manufacturing services (EMS) provider that has been serving customers since 1991. The company offers contract electronics manufacturing capabilities from its Fremont, California facility, supporting OEM customers with assembly and related production services. Its workforce of 501-1,000 employees indicates a mid-scale manufacturing operation.

Differentiator

Problem solved

Functional benefit

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Direct peers

• Sanmina Corporation: Sanmina is a US-headquartered, mid-to-large tier EMS/ODM provider with deep Bay Area roots, serving similar OEM customers across industrial, medical, and communications end-markets. Directly comparable to AQS in core service offering (PCB assembly, box build, integration), though at significantly larger scale.
• Benchmark Electronics: Benchmark is a US-based EMS provider focused on complex, high-mix, low-to-mid volume builds for industrial, medical, aerospace/defense, and test & measurement customers — closely aligned with the typical mid-market EMS profile AQS operates in.
• Plexus Corp: Plexus is a mid-market EMS/ODM focused on complex, highly regulated products in healthcare/life sciences, industrial, and aerospace/defense. Comparable in scale and customer mix to AQS, with similar mid-volume, high-complexity positioning.
• Kimball Electronics: Kimball Electronics is a US-based mid-tier EMS provider serving industrial, medical, automotive, and public safety end-markets with a focus on durable, regulated applications. Directly comparable in size band and customer profile to AQS.
• SMTC Corporation: SMTC is a mid-market EMS provider offering PCB assembly, box build, and engineering services across industrial, medical, and communications end-markets. Closely comparable in revenue scale, geographic footprint, and service scope to AQS.

Broad incumbents

• Celestica Inc. Celestica is a global tier-1 EMS provider serving communications, enterprise, industrial, and aerospace customers. Comparable in core offering (electronics manufacturing, integration, supply chain) but at substantially larger scale and broader geographic reach than AQS.
• Jabil Inc. Jabil is one of the largest global EMS providers, offering end-to-end manufacturing, supply chain, and design services across virtually all electronics end-markets. Comparable to AQS at the service-offering level but operates at vastly greater scale with global low-cost manufacturing footprint.
• Flex Ltd. Flex (formerly Flextronics) is a tier-1 global EMS/ODM with broad end-market exposure and a worldwide manufacturing footprint. Comparable to AQS in offering category but not in scale or geographic reach; represents the upper bound of competitive pressure on mid-tier players like AQS.

Emerging players

• Creation Technologies: Creation Technologies is a privately held North American mid-market EMS provider focused on complex, regulated industrial, medical, and aerospace/defense applications. Comparable to AQS in size, geographic concentration, and end-market mix.

Regional players

• Sierra Circuits: Sierra Circuits is a California-based PCB fabrication and assembly specialist serving Bay Area hardware customers. Comparable to AQS in Bay Area presence and electronics assembly offering, though more weighted toward PCB fabrication than full box-build EMS.

Market position

Strengths3 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights4 records

Customer concentration

• Xx.com/AQSinc
• Facebookfacebook.com/AllQualityServices

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

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 AQS