TECO - Westinghouse
1976 yılının başlarında TECO Electric & Machinery Co., Ltd. ABD pazarına girdi. 1987'de ABD'de 100 yıllık geçmişi olan Westinghouse Electric Co. Ltd'nin motor üretim ve pazarlama bölümü, TECO ile birleşerek "Westinghouse Motor Company" adlı bir ortak girişim oluşturdu. TECO Electric & Machinery, Nisan 1995'te Westinghouse Motor Company'nin satın alınmasıyla devam etti ve% 100 TECO'ya ait bir işletme haline geldi.

TECO - Motovario SpA
Motovario SpA 1965 yılında kurulmuştur, özellikle dişli redüktörleri, motorları ve diğer güç iletim ürünlerini, özellikle de dünyanın en üst düzey oyuncuları olan sonsuz dişlileri üretmektedir 
. Şirket, İtalya ve İspanya'da son derece otomatik üretim tesislerine sahiptir. 60 ülkede 150 satış temsilcisi. 
TECO, İtalyan şirketi Motovario'yu 2015 yılında satın aldı. Bu, bağımsız ürünlerden sistem ürünlerine uzanan bir stratejidir. Kurul ayrıca, şirketin büyüme ivmesini arttırmak için Avrupa pazarına girmeyi de kararlaştırdı.

TECO - Motovario SpA
Being one of the world's leading brands of household appliance products, Whirlpool has a globalized manufacturing and sales network around the world. As backed up by the vast industry experiences of TECO Household Appliances, the Great Trade Co. was instrumental in establishing a solid presence of Whirlpool Household Appliance in Taiwan market in 1985.

eJoy International Co., Ltd.
EJOYLAND, a new venture of TECO Group, is set up to respond to the fast development of the domestic and foreign 3C markets. EJOYLAND's major mission is to integrate resources of 3C market entities and virtual distributors so as to concrete the idea of "Enjoy Your Digital Life" for consumers.

Taiwan Pelican Express Co., Ltd.
In response to market demand for faster delivery service for tangible goods generated by e-commerce sales, Taiwan Pelican Expresss goals are to strategically expand its service into B2C and C2C markets; integrate information, finance and distribution systems; and provide timely and convenient delivery services. The current cooperating convenience stores including the Family Mart, Hi-Life and Circle-K chains, KingStone bookstores and China Petroleum Company gas stations, Taiwan Pelican is focused on provide next-day delivery service to more than 12,000 station island-wide.

Royal Taiwan Co., Ltd.
To meet the increased demand for dining-out in Taiwan, TECO introduced a family oriented western-style restaurant chain via a joint venture with Royal Co., Ltd. (Japan). In 1991, TECO established Royal Taiwan Co., Ltd. the business scope has further expanded to catering, banquets and take-out food services and related business. Royal Taiwan derived the success factors of Royal Host to four dimensions: Quality, Service, Cleanliness, and Atmosphere. Taiwan consumers now can enjoy the same service and great dining experience in Royal Taiwan like it is in Japan.

An-Shin Food Service Co., Ltd.
An-Shin Food Service operates MOS Burger fast food chain stores and was the first one in the market to launch rice-made burgers, a perfect flavor for oriental consumers in Taiwan. With a combination of commitment to provide health-oriented food courses and a flexible HR system, the company has three essences of management philosophy, Passion, Delicious and Cleanness approach. We aim to deliver best services to plant TECO's friendly image in the heart of every consumer.

A-OK Technical Co., Ltd.
A-OK, Founded in December 2004 by TECO Group, is set up to provide customer-oriented, professional repair and maintenance services. In addition to services for household appliances including air conditioners, refrigerators, washing machines, CRT and LCD TV, small appliances, tools and equipments sales, it will integrate TECO group’s organizational resources to expand its range of services to include mobile telecommunications, 3C (computers, communications, consumer electronics) and industrial equipments in the future. The mission statement of A-OK is to be a leading company providing professional and omni-bearing repair and maintenance services.

TECO Optronics Co., Ltd.
TECO has been devoted into the OLED technology for nearly ten years, and TECO Optronics was formally founded in March 2001 after receiving authorization from Eastman Kodak. We primarily produce OLED flat panel displays for the mobile phone and target PDA, digital camera, and notebook markets. TECO Optronics will finish the production line installation and pilot-production by the end of 2002, and begin the real operation in the consecutive year. We anticipate the annual production to reach NT$5 billion within next three years.
 

TECO Nanotech Co. Ltd.
Previously known as TECO Information Systems, TECO Nanotech was founded in 1989 to meet the demands in domestic and overseas market for color CRTs. In response to ever-growing attention and rapid progress in Nanotechnology for development of flat panel display (FPD) applications, TECO Information Systems was renamed TECO Nanotech Co., Ltd. in August of 2002. It sets out to position itself in pursuit of technology advancement and better profitability in the field of CNT-FED (Carbon Nano Tubes-Field Emission Display) technology, as well as to broaden the scope of implementation of Carbon Nano Tubes and other Nano technology application.

Lien Chang Electronic Enterprise Co., Ltd.
Lien Chang is one of the top three manufacturers of fly-back transformers (FBT) in the world. In addition to the FBT and color deflection yoke (CDY) for CRT monitor/TV, we also manufacture the adaptor and inverter for LCD Monitor and Notebook PC. In the future, Lien Chang will develop itself into a diversified market based on its core high-voltage electronic technology.

TECO Image Systems Co., Ltd.
TECO Image Systems has extensive R&D development capabilities in the image processing, communication coding/decoding, software interface, network integration, and multi-function peripherals. We are proud to highlight our R&D compatibility to world-class players by launching new products at the right time to market. Besides enhancing the core technology development, we will continue to establish global network, and to enhance future vertical integration.

Creative Sensor Inc.
In order to grasp the trend of the digital image industry, Creative Sensor Inc. allied in technology with Toshiba Semiconductor Division and applies customer orientate marketing philosophy to build up the leading position in global CIS supplier. The company mission is to take worldwide No.1 position in digital market by enlarging business scale of manufacture & sales and dedicating R&D technologies.

TECOM Co., Ltd.
TECOM has rapidly grown to become one of Taiwan's most successful local high-tech companies and it has been perceived as a role model for start-up companies. TECOM's product lines serve clients from business communications systems, wireless communications systems, infrastructure transmission systems, to data communications systems. From a telecommunications aspect, TECOM provides GSM and Fixed Network services in Taiwan, Broadband Internet access in building complexes, as well as Fixed Wireless Access (FWA) in rural communities and developing countries.

Baycom Opto-Electronic Co., Ltd.
Baycom Opto-Electronic Co., Ltd. was founded in 1990 and concentrates on developing, manufacturing and selling optical fiber products which were highly evaluated by customers and are obtaining various of domestic, foreign awards or certifications. The customers of Baycom include domestic, global famous system and communication providers. In 2000, Baycom signed a contract with Lucent Technologies for manufacturing and selling rights in LC connectors and adapters. For Baycom, it becomes a foundation stone for Small Form Factor (SFF) technology development. In the same year, Baycom stood one step ahead of competitors to obtain the technology transfer of optical active components from ITRI and becomes a leading vender that can both manufacture optical passive and active components. With the innovative ideals and technologies, Baycom's Diagnostic SFP Transceiver Module wan the 2003 excellent product award from TOCIA (Taiwan Optical Communication Industrial Alliance) . In the future, Baycom will continuously insist on her honesty and innovation, and will devote herself to developing and promoting optical communication components and system integrations.

Century Development Corporation 
Century Development Corporation was established in 1993. Shareholders are elites from different fields: finance, construction, engineering, and real estate development. They include Ministry of Economic Affairs (MOEA), TECO Electric & Machinery, China Development Bank (CDIB), BES Engineering corporation, RSEA Engineering corporation, RUENTEX GROUP, Ascendas Singapore, etc. The Business line of the company includes investing and developing domestic and overseas industrial parks, office buildings, factories, management and leasing of industrial parks. It contains every aspects of the construction industry. Projects currently in-progress are those of Nankang Software Park (The first ¡§intelligent ¡¨ software park in Taiwan), Taian Hi-Tech Building (multi-functional hi-tech office building), Subic Bay Industrial Park, the Philippines (an important production base for overseas Taiwanese)

Jack Property Service & Management Co.
Jack Property Service & Management Co. was established in 2000, heralding in privatization of government-owned service in managing developments by Bureau of Industry Development. While elevating the Nankang Software Park to be amongst one of the top international IT business estates, Jack Property Service & Management Co. sets the benchmark in the modernized operation and maintenance of estates of such scale and complexity, while receiving various professional recognitions such as ISO9001 and ISO14001, as well as domestic award of excellence.

TECHNOS International Consultant Co. Ltd
TECHNOS was co-invested by TECO Group and TECHNOS Co., and established in 1997. By utilizing the professional know-how of TECHNOS in human resource management, TECHNOS provides the best HR consultancy services to help enterprises maintain their competitiveness, while providing professional opportunities for dispatched employees to develop professional skills, and furthermore, to enhance their professional values.