Electronics OEM / EMS Contract Manufacturing in Thailand
Thailand is a major Southeast Asian electronics manufacturing hub — home to global EMS players and a deep base of PCBA assembly, box-build, and electro-mechanical contract manufacturers. These are electronics manufacturing and assembly factories — cross-checked against Thailand's DBD company registry and Google review history.
PCBA assembly: often 500–1,000 boards for a first run with a new customer; established EMS partners may accept lower volumes for prototyping.
NPI (new product introduction) / first article: 3–6 weeks. Volume production: 4–8 weeks per run after component procurement.
ISO 9001 · ISO 13485 (medical electronics) · IATF 16949 (automotive electronics) · IPC-A-610 workmanship
Electronics OEM / EMS Contract Manufacturing — Ranked by Trust Score
T. Witchukorn Co., Ltd.
Electronics manufacturer
i
- Reviews92
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →
Thai SIIX Co.,Ltd.
Electronics manufacturer
i
- Reviews89
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →Seagate Technology (Thailand) Co., Ltd.
Electronics manufacturer
📅 Est. 1983· 💰 ฿30828.6M
i
- Capital100
- Longevity100
- Reviews97
- Verifications50
บริษัท แคนนอน ปราจีนบุรี (ประเทศไทย) จำกัด
Electronics manufacturer
i
- Reviews87
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →Mitsubishi Electric Consumer Products (Thailand) Co.,LTD.
Electronics manufacturer
📅 Est. 1989· 💰 ฿1200.0M
i
- Capital100
- Longevity100
- Reviews94
- Verifications50
Carrier Air Conditioning (Thailand) Co., Ltd.
Electronics manufacturer
📅 Est. 1999· 💰 ฿1410.0M
i
- Capital100
- Longevity100
- Reviews88
- Verifications50
Thai Special Steel Industry Company Limited
Electronic parts supplier
📅 Est. 1995· 💰 ฿11200.0M
i
- Capital100
- Longevity100
- Verifications50
Canon Hi-Tech (Thailand)
Electronics manufacturer
i
- Reviews82
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →Eminent Air (Thailand) Co., Ltd. (โรงงาน)
Electronics manufacturer
i
- Reviews81
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →
Allied Manufacturing Service Co,.Ltd.
Auto parts manufacturer
i
- Reviews81
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →IM Electronics (Thailand) Co.,Ltd.
Corporate office
i
- Reviews81
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →Merry Electronics (Thailand) Co.,Ltd.
Electronics manufacturer
📅 Est. 1988· 💰 ฿506.0M
i
- Capital93
- Longevity100
- Reviews78
- Verifications50
Nidec Electronics (Thailand) Co.,LTD.
Electronics manufacturer
i
- Reviews80
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →ROHM Integrated Systems (Thailand) Co.,Ltd.
Electronics manufacturer
📅 Est. 2006· 💰 ฿1115.5M
i
- Capital100
- Longevity80
- Reviews84
- Verifications50
Fujitsu General (Thailand) Co.,Ltd.
Electronics manufacturer
i
- Reviews79
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →
Panasonic SPT (Thailand) Co., Ltd.
Manufacturer
i
- Reviews79
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →บจก. สยามชัย พลาสติก อินดัสทรี (SIAMCHAI PLASTIC INDUSTRY CO.,LTD)
Manufacturer
i
- Reviews78
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →
Yamanashi Electronics (Thailand) Company Limited
Electronics manufacturer
i
- Reviews78
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →Bitwise (Thailand) Co., Ltd.
Electronics manufacturer
📅 Est. 1988· 💰 ฿300.0M
i
- Capital87
- Longevity100
- Reviews76
- Verifications50
C.E. ANTS Company Limited
Electronics manufacturer
i
- Reviews77
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →
บริษัท ไทย ทาซากิ เอ็นจิเนียริ่ง จำกัด
Electronics manufacturer
i
- Reviews76
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →
Belton R2
Electronics manufacturer
i
- Reviews76
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →Summit Electronic Components Co.,Ltd.
Electronics manufacturer
📅 Est. 1987· 💰 ฿150.0M
i
- Capital79
- Longevity100
- Reviews74
- Verifications50
GPV Asia (Thailand) Co., Ltd.
Electronics manufacturer
i
- Reviews76
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →
Focuz Manufacturing Co., Ltd.
Electronic parts supplier
i
- Reviews76
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →KIMBALL ELECTRONICS (THAILAND) LTD.
Electronics manufacturer
i
- Reviews76
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →Fuji Electric Manufacturing (Thailand) Co.,Ltd.
Electronics manufacturer
i
- Reviews76
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →KEC (Thailand) Co., Ltd.
Electronics manufacturer
i
- Reviews75
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →
บริษัท แซดทูเอช อินเทค จำกัด Z2H INTECH Co., Ltd.
Electronic parts supplier
i
- Reviews75
Based on Google reviews only — no registry data (capital, founding date, DBD match) for this company yet.
How is this calculated? →Takano (Thailand) Company Limited
Electronics manufacturer
📅 Est. 1991· 💰 ฿185.0M
i
- Capital82
- Longevity100
- Reviews68
- Verifications50
Electronics OEM / EMS Contract Manufacturing — DBD registry records
40 of these companies are matched to Thailand's Department of Business Development registry; the 25 largest by registered capital are listed here. Registered capital, incorporation date and TSIC industry code come straight from the filing — not from a business profile.
| Company | Registered name (Thai) | Registration no. | Capital | Founded | TSIC | Province |
|---|---|---|---|---|---|---|
| Seagate Technology (Thailand) Co., Ltd. | ซีเกท เทคโนโลยี (ประเทศไทย) จำกัด | 0105526042048 | ฿30.8B | 1983 | 18119 | Nakhon Ratchasima |
| Thai Special Steel Industry Company Limited | อุตสาหกรรมเหล็กกล้าไทย จำกัด (มหาชน) | 0107538000525 | ฿11.2B | 1995 | 24109 | Bangkok |
| Carrier Air Conditioning (Thailand) Co., Ltd. | แคเรียร์ แอร์ คอนดิชั่นนิ่ง (ประเทศไทย) จำกัด | 0135542000761 | ฿1.4B | 1999 | 46599 | Pathum Thani |
| Mitsubishi Electric Consumer Products (Thailand) Co.,LTD. | มิตซูบิชิ อีเล็คทริค คอนซูมเมอร์ โปรดักส์(ประเทศไทย) จำกัด | 0115532003849 | ฿1.2B | 1989 | 27501 | Chon Buri |
| ROHM Integrated Systems (Thailand) Co.,Ltd. | โรม อินทิเกรเต็ด ซิสเต็มส์ (ประเทศไทย) จำกัด | 0135549003251 | ฿1.1B | 2006 | 26109 | Pathum Thani |
| Panasonic Automotive Systems Asia Pacific (Thailand) Co.LTD. | พานาโซนิค ออโต้โมทีฟ ซิสเต็มส์ เอเชีย แปซิฟิค จำกัด | 0115559007098 | ฿1.0B | 2016 | 29309 | Samut Prakan |
| Long Young Electronics (Thailand) Co.,Ltd. | หลงหยัง อิเล็กทรอนิกส์ (ไทยแลนด์) จำกัด | 0245567001701 | ฿1.0B | 2024 | 26109 | Chachoengsao |
| SUNRISE ELECTRONIC TECHNOLOGY (THAILAND) CO., LTD. | ซันไรส์ อิเล็คทรอนิค เทคโนโลยี (ประเทศไทย) จำกัด | 0215567013076 | ฿727M | 2024 | 26109 | Rayong |
| Merry Electronics (Thailand) Co.,Ltd. | เมอร์รี่ อิเลคทรอนิคส์ (ไทยแลนด์) จำกัด | 0105531102584 | ฿506M | 1988 | 26403 | Rayong |
| Elite group technology (Thailand) Co., Ltd | อีลิทกรุ๊ป เทคโนโลยี (ไทยแลนด์) จำกัด | 0205562002131 | ฿461M | 2019 | 47413 | Chon Buri |
| I One Technology ( Thailand) Co.,Ltd. | ไอวัน เทคโนโลยี (ประเทศไทย) จำกัด | 0205562032706 | ฿350M | 2019 | 28230 | Chon Buri |
| Bitwise (Thailand) Co., Ltd. | บิทไว้ส์ (ประเทศไทย) จำกัด | 0105531069072 | ฿300M | 1988 | 28191 | Samut Prakan |
| Takano (Thailand) Company Limited | ทาคาโนะ (ประเทศไทย) จำกัด | 0105534011415 | ฿185M | 1991 | 27501 | Lamphun |
| Summit Electronic Components Co.,Ltd. | ซัมมิท อีเล็คโทรนิค คอมโพเน้นท์ จำกัด | 0105530046401 | ฿150M | 1987 | 26109 | Samut Prakan |
| Kobelco Electronics Material (Thailand) Company Limited | โคเบลโก้ อิเลคทรอนิคส์ แมททีเรียล (ไทยแลนด์) จำกัด | 0135544003831 | ฿105M | 2001 | 25922 | Phra Nakhon Si Ayutthaya |
| THAI TOYO ELECTRIC CO., LTD | ไทย โตโย อิเลคทริค จำกัด | 0105556036321 | ฿102M | 2013 | 28291 | Chon Buri |
| MAXON Systems (Thailand) Co., Ltd. | แม็กซอน ซิสเต็มส์ (ประเทศไทย) จำกัด | 0105531066201 | ฿60M | 1988 | 26409 | Phra Nakhon Si Ayutthaya |
| Denken Tanshi (Thailand) Co.,LTD. | เด็นเค็น ทันชิ (ไทยแลนด์) จำกัด | 0205545009041 | ฿60M | 2002 | 26109 | Chon Buri |
| Timpano Electrical Co., Ltd. | ทิมพาโน อิเลคทริคอล จำกัด | 0115550006544 | ฿60M | 2007 | 27103 | Chon Buri |
| Shihen (Thailand) Co., Ltd. | ชิเฮน (ประเทศไทย) จำกัด | 0105538074934 | ฿50M | 1995 | 26409 | Phra Nakhon Si Ayutthaya |
| Tauras(Thailand) Co.,Ltd. | โทรัส (ประเทศไทย) จำกัด | 0105567168577 | ฿50M | 2024 | 35101 | Chon Buri |
| Thaveethai Electronic Plastic & Mold Co.,Ltd. | ทวีไทยอีเล็คโทรนิค พลาสติก และโมลด์ จำกัด | 0105548024433 | ฿40M | 2005 | 26303 | Bangkok |
| HUALIN TECH (THAILAND) CO., LTD. | หัวหลิน เทค (ประเทศไทย) จำกัด | 0205565044675 | ฿39M | 2022 | 26103 | Rayong |
| Shimohira Electric (Thailand) Company Limited | ชิโมฮิร่า อิเลคทริค (ประเทศไทย) จำกัด | 0105540064321 | ฿30M | 1997 | 27401 | Chon Buri |
| Mikyoung Electronics (Thailand) Co., Ltd. | มีคยอง อีเล็คทรอนิคส์(ไทยแลนด์) จำกัด | 0205551020299 | ฿25M | 2008 | 26401 | Chon Buri |
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Electronics OEM / EMS Contract Manufacturing — FAQ
What's the difference between an EMS provider and a component supplier?⌄
An EMS (Electronics Manufacturing Services) provider assembles finished boards or products from your design — PCBA, box-build, and testing. A component supplier just sells parts. Most factories in this list are assembly/EMS providers, not parts distributors.
Can a Thai EMS factory handle component sourcing, or do I need to supply parts (consignment)?⌄
Both models exist — 'turnkey' (factory sources components) and 'consignment' (you supply components, factory assembles only). Turnkey is simpler for a first order; consignment gives you more control over part sourcing and cost.
Do I need IPC-A-610 or IATF 16949 certification for my order?⌄
IPC-A-610 workmanship standards are worth confirming for any board assembly. IATF 16949 matters specifically if your end product goes into a vehicle — ask the factory directly rather than assuming certification level from company size.