Ionics

What Ionics does

Ionics Inc. is a Philippine-listed holding company (PSE: ION) incorporated in 1982 as Ionics Circuits Inc. and headquartered in Calamba City, Laguna. Through its subsidiaries the group operates in four segments: electronics manufacturing services (Ionics EMS Inc.), precision plastic injection molding (iOmni Precision Inc.), property holdings and management (Ionics Properties Inc.), and global venture capital investment in core technologies (Ionics Circuits Limited). The company also holds a 50% joint venture interest in IONOTE Inc., a China-dedicated EMS operation with a Swedish partner.

The core business is full-service electronics manufacturing delivered through five manufacturing plants in Laguna (LISP I, LISP II, Carmelray Industrial Park II) plus a newly acquired 3.8-hectare site in LISP IV, Malvar, Batangas. Ionics EMS Inc. offers original design manufacturing, engineering, supply chain management, reverse logistics, PCBA, and box-build assembly for customers in computer and peripherals, telecommunications, automotive, consumer electronics, medical, and industrial verticals. The group claims domestic 'firsts' in PCBA, flip chip technology, and nitrogen gas-assist injection molding. The company is publicly traded on the Philippine Stock Exchange (since 1995) and its EMS subsidiary was listed on the Singapore Stock Exchange in 2000; the group has been recognized by Forbes as one of the Best 300 and Best 200 Global Firms for two consecutive years.

Ionics makes money primarily through B2B enterprise contracts for manufacturing services and precision plastic components, with quote-based pricing typical of the EMS industry. Revenue is not disclosed in the available data. The group is organized as a holding company with a diversified but operationally interconnected portfolio: EMS drives the core top line, iOmni captures higher-margin engineered plastics, Ionics Properties provides vertically integrated real estate, and Ionics Circuits Limited positions the group for optionality on adjacent technology bets. The company has 1,001-5,000 employees and is actively operating with AGM and SEC filings maintained through 2026.

Name

Ionics

Legal name

Ionics Inc.

Website

https://ionicsgroup.com

Company type

Public

Founded year

1982

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Ionics Inc. is a Philippine-listed holding company (PSE: ION) that, through subsidiaries, provides electronics manufacturing services, precision plastic injection molding, property management, and venture capital investment, serving enterprise customers across computer, telecom, automotive, consumer, medical, and industrial verticals.

Ownership category

akta.pro rank

Product category

Electronics Manufacturing Services

NAICS

Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (33451)

SIC

Plastics Products, Nec (3089)

akta.pro primary industry

System-in-Package (SiP) & Module Assembly (RF modules, power modules) (HDAHADAI)

Keywords

• Electronics manufacturing services
• Printed circuit board assembly
• Precision plastic injection molding
• Semiconductor assembly services
• Contract electronics manufacturing

Headquarters

HQ city

Laguna

HQ country

Philippines

HQ region

Asia

Offices8 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Electronics Manufacturing Services (EMS): Full-service EMS including original design manufacturing, engineering, supply chain management and reverse logistics for various industries
2. Precision Plastic Injection Molding: Molding engineered plastic products and parts through injection with high degrees of complexity and precision through subsidiary iOmni Precision Inc.
3. Property Holdings and Management: Real estate ownership and management through Ionics Properties Inc. for group facilities
4. Venture Capital Investment: Global venture capital investment in core technologies through Ionics Circuits Limited

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Ionics Inc. is a Philippine technology holding company that provides full-service Electronics Manufacturing Services (EMS) through its subsidiary Ionics EMS Inc., including original design manufacturing, engineering, printed circuit board assembly, flip chip and semiconductor/hybrid assembly, box-build, supply chain management, and reverse logistics for OEMs in computer/peripherals, telecommunications, automotive, consumer, medical, and industrial sectors. Through iOmni Precision Inc., the group also offers precision plastic injection molding of engineered plastic parts using nitrogen gas-assist technology. Group activities are complemented by Ionics Properties Inc. (real estate management) and Ionics Circuits Limited (venture capital investment in core technologies).

Product overview

Ionics Inc. is a technology group engaged in product design and electronics manufacturing, precision-engineered plastic injection molding, core-technology venture capital investment, and property holdings and management. The company traces its beginning in semiconductor and hybrid assembly as one of the pioneers in the Philippines. The core products and services are delivered through subsidiaries: Ionics EMS Inc. (electronics manufacturing services), iOmni Precision Inc. (plastic injection molding), Ionics Properties Inc. (property management), and Ionics Circuits Limited (venture capital). The company was incorporated in 1982, listed on the Philippine Stock Exchange under ticker ION since 1995, and has been recognized by Forbes as one of the best 300 global firms.

Differentiator

Problem solved

Functional benefit

Products and services

• Electronics Manufacturing Services (EMS) Full-service EMS offering original design manufacturing, engineering, supply chain management, and reverse logistics for OEMs in computer and peripherals, telecommunications, automotive, consumer, medical, and industrial sectors. Delivered through subsidiary Ionics EMS Inc., the oldest and most experienced EMS provider in the Philippines and the first in the country to implement PCBA and flip chip technology.
• Precision Plastic Injection Molding Precision molding of engineered plastic products and parts through injection with high degrees of complexity and precision, including nitrogen gas-assist technology — a first in the Philippines. Delivered through subsidiary iOmni Precision Inc. for industrial customers requiring complex engineered plastic parts.
• IONOTE EMS Operations (China) Electronics manufacturing services operation in China, delivered through IONOTE Inc., a 50% joint venture between Ionics EMS Inc. and a Swedish EMS firm, extending Ionics' EMS capabilities and international market reach.

Segments7 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Swedish EMS Firm (Joint Venture Partner)coreStrategic or Co-development Partner50% joint venture with a Swedish EMS firm to operate IONOTE Inc., expanding capabilities and international market reach in electronics manufacturing services

Scale indicators8 records

Recent moves9 records

Expansion highlights5 records

Direct peers

• Integrated Micro-Electronics Inc. (IMI): Philippine-headquartered contract electronics manufacturer serving automotive, industrial, and consumer OEMs; the most direct domestic peer to Ionics EMS given overlapping geography, scale, and EMS-plus-plastics service portfolio.
• Venture Corporation Limited: Singapore-listed technology group providing EMS, ODM and product-design services across networking, life sciences, and industrial, structurally analogous to Ionics EMS' SGX-listed parent/subsidiary structure.

Broad incumbents

• Flex Ltd: Global Tier-1 EMS provider offering design, manufacturing, supply chain and aftermarket services across multiple verticals including automotive, health and industrial; comparably broadens Ionics' reference set for EMS scale and scope.
• Jabil Inc. Tier-1 global EMS company delivering design, engineering, manufacturing and supply chain services across automotive, healthcare, industrial and packaging, a comparable broad EMS incumbent relative to Ionics EMS.
• Hon Hai Precision Industry Co. (Foxconn): World's largest EMS/ODM company with extensive module-assembly and component operations; represents the upper-bound EMS peer against which Ionics competes for large multinational accounts.
• Sanmina Corporation: Global EMS and ODM provider across communications, defense/aerospace, medical, and industrial end-markets; comparable as a vertical-agnostic, contract manufacturing peer to Ionics EMS.
• Benchmark Electronics, Inc. Mid-tier global EMS provider focused on complex, low-to-mid-volume manufacturing for aerospace, defense, medical, and industrial customers; useful benchmark for Ionics' higher-complexity work.
• Celestica Inc. Global EMS/ODM serving Communications, Enterprise and Industrial end markets with end-to-end design and manufacturing services; comparable broad-scope EMS incumbent relative to Ionics EMS.
• Plexus Corp. Mid-volume global EMS provider with strong emphasis on highly engineered complex products in healthcare/life sciences and industrial; relevant peer for Ionics' precision and regulated-vertical work.

Regional players

• SVI Public Company Limited: Thailand-based EMS provider with box-build, PCBA and precision plastics capabilities serving industrial, automotive, and consumer customers; comparable mid-tier Southeast Asian EMS counter to Ionics.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries5 records

Funding overview

Funding rounds

Investors

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

M&A

Investments1 record

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

Frequently asked questions about Ionics