SALES PROSPECTING ISO INSPECTION SERVICES FIELD BRIEFING — A4

Top 3 Industrial Estates Prospect List

Rojana (Ayutthaya) · Navanakorn (Pathum Thani) · Lat Krabang (Bangkok) — 2026-05-22

60+
Confirmed Tenants (Top 3)
132
TAIA Auto Companies (TH-wide)
11
Auto-confirmed in Top 3
~1,300
Total Factories in 3 Estates
⚠️ ข้อจำกัดของข้อมูล (อ่านก่อนใช้): ข้อมูลในเอกสารนี้รวบรวมจากแหล่งสาธารณะ (IEAT, TAIA, thai-koujyo.com, directors directory, ข่าว, รายงานประจำปี) — ชื่อบริษัทแม่นยำ 90%+ แต่ เบอร์โทร / ที่อยู่ละเอียด / decision maker ยังต้อง verify ก่อนโทร ทุกครั้ง (column "Verification" จะระบุ). Lat Krabang มี 1,000+ โรงงานแต่ public list มีแค่ ~5 บริษัท — แนะนำติดต่อ IEAT (กนอ.) 02-253-0561 ขอ tenant directory ฉบับเต็ม

🎯 ISO Inspection Sales Play — How to Use This List

กลยุทธ์การ pitch ISO ตาม industry profile:

Industry Profile ISO Standard ที่บังคับ/ควรมี Renewal Cycle Sales Angle เป้าหมายหลัก
Auto OEM (Tier 0) IATF 16949 + ISO 14001 + 45001 3 ปี (IATF), 3 ปี (others) Supply chain audit / surveillance Honda, Isuzu, Subaru (history)
Auto Tier 1 Parts IATF 16949 (mandatory) + 14001 3 ปี recert + yearly surveillance Recert cost saving, faster audit Aisin, Musashi, Keihin, Denso
Electronics / Semiconductor ISO 9001 + 14001 + IECQ QC 080000 3 ปี RoHS / lead-free compliance package Nikon, TDK, ROHM, Panasonic
Heavy Mfg / Steel / Chemicals ISO 14001 + 45001 + 50001 (energy) 3 ปี Carbon disclosure, ESG Kobe Steel, Sumitomo Metal
Food / Pharma ISO 22000 / FSSC 22000 / GMP 3 ปี Food safety + HACCP Nisshin, Earth Pharma
Logistics ISO 9001 + 28000 (supply chain security) 3 ปี Customer audit support Nippon Yusen, Yamakyu

📋 Discovery Questions (ใช้ตอนโทร / นัด)

Rojana Industrial Park

นิคมอุตสาหกรรมโรจนะ · จังหวัดพระนครศรีอยุธยา (Ayutthaya) · est. 1988 · 300+ enterprises

Address49 Moo 9, Tambol Thanu, Uthai District, Ayutthaya 13210
Anchor IndustryAutomotive (Honda hub) + Electronics
ManagementRojana Industrial Park PCL (rojana.com)
Tenant Mix~80% Japanese-owned · auto / electronics / chemicals
เบอร์โทร + decision maker = TBD — แนะนำเริ่มจาก main switchboard ของแต่ละบริษัท แล้วขอเชื่อมต่อแผนก QA / Plant Manager / Management Representative (MR)
# ชื่อบริษัท (Company) ทำธุรกิจอะไร Auto? TAIA? Ownership ISO ที่น่าจะมี Recommended Pitch Verification
1Honda Automobile (Thailand) Co., Ltd.Automotive — Car assembly (OEM)AUTOTAIAIATF 16949, 14001, 45001Supplier audit support + recertTBD
2Nikon (Thailand) Co., Ltd.Optics / Cameras9001, 14001IMS combined audit savingTBD
3OKI Data Manufacturing (Thailand)Electronics — Printers9001, 14001, IECQRoHS / lead-free packageTBD
4Omron Manufacturing (Thailand)Electronics — Sensors / Auto componentsAUTOIATF 16949, 14001Auto electronics IATFTBD
5KDK Fans (Thailand)Electronics — Fans / Appliances9001, 14001IMS combinedTBD
6TDK (Thailand) Co., Ltd.Electronics — Magnetic components9001, 14001, IATF 16949Auto electronics IATFTBD
7Pioneer Manufacturing (Thailand)Electronics — Audio9001, 14001RoHS / IECQTBD
8Tohoku Pioneer (Thailand)Electronics — Auto audioAUTOIATF 16949, 14001Auto audio IATFTBD
9Hitachi Group (Thailand)Electronics / Industrial9001, 14001, 45001Multi-site IMS auditTBD
10Fujikura (Thailand) Co., Ltd.Auto wiring harnessesAUTOIATF 16949, 14001Tier 1 IATF recertTBD
11Fujitsu Ten (Thailand)Auto electronics / car audioAUTOIATF 16949, 14001Auto Tier 1 IATFTBD
12Panasonic Electric Works (Thailand)Electrical components9001, 14001IMS auditTBD
13Furukawa Electric (Thailand)Auto wiring / cablesAUTOIATF 16949, 14001Tier 1 IATFTBD
14Nitto Denko (Thailand)Materials — Adhesive / films9001, 14001Multi-product IMSTBD
15Minebea (Thailand)Precision motors / ball bearings9001, 14001, IATF 16949Auto bearings IATFTBD
16Mitsubishi Materials (Thailand)Metals / Cutting tools9001, 14001Heavy industry IMSTBD
17Kobe Steel (Thailand)Steel manufacturing9001, 14001, 45001, 50001ESG + carbon disclosureTBD
18Sumitomo Metal IndustriesMetals / Steel pipes9001, 14001, 50001Energy + ESGTBD
19Bridgestone Tire Manufacturing (Thailand)Tires (automotive)AUTOIATF 16949, 14001, 50001Auto Tier 1 + ESG comboTBD
20Sanyo Chemical Industries (Thailand)Specialty chemicals9001, 14001, RC 14001Responsible CareTBD
21Showa Aluminum (Thailand)Aluminum products9001, 14001, IATF 16949Auto Tier 2 IATFTBD
22Teijin (Thailand)Materials / Aramid fiber9001, 14001Advanced material auditTBD

Nava Nakorn Industrial Zone

นิคมอุตสาหกรรมนวนคร · จังหวัดปทุมธานี (Pathum Thani) · est. 1971 · 200+ World Class companies

Address999 Moo 13 Phaholyothin Rd, Klong Nueng, Klong Luang, Pathum Thani 12120
Main Phone02-529-0031 ~ 0035 · sales@navanakorn.co.th
Anchor IndustryElectronics / Auto parts / Precision mfg
Tenant Mix~90% Japanese · 6,500 rai · 46km from BKK
# ชื่อบริษัท (Company) ทำธุรกิจอะไร Auto? TAIA? Ownership ISO ที่น่าจะมี Recommended Pitch Verification
1ROHM Integrated Systems (Thailand)Semiconductors9001, 14001, IATF 16949Auto semi IATFTBD
2Nidec Copal (Thailand)Precision motors / shutters9001, 14001IMSTBD
3Minebea Electronics (Thailand)Precision motors9001, 14001, IATF 16949Auto IATFTBD
4Panasonic Manufacturing (Thailand)Consumer electronics9001, 14001IMS + IECQTBD
5JVC Manufacturing (Thailand)Audio / Video electronics9001, 14001RoHS + IECQTBD
6NEC Tokin (Thailand)Electronic components9001, 14001Components QCTBD
7Fujikura (Thailand) — Navanakorn siteCables / WiringAUTOIATF 16949, 14001Auto Tier 1 IATFTBD
8LIXIL (Thailand)Building materials / Sanitary9001, 14001Multi-site IMSTBD
9Yamakyu Logistics (Thailand)Logistics / Warehousing9001, 28000Supply chain securityTBD
10Nippon Yusen / NYK Logistics (Thailand)Logistics / Shipping9001, 14001, 28000Multi-modal logisticsTBD
11Takara Tomy (Thailand)Toys manufacturing9001, ICTIToys safety standardTBD
12Sum Hitechs ElectronicsElectronics9001, 14001EMS standardTBD
13Taiho Kogyo (Thailand)Auto bearingsAUTOIATF 16949, 14001Auto bearings IATFTBD
14Musashi Auto Parts (Thailand)Auto parts (Honda Tier 1)AUTOTAIAIATF 16949, 14001, 45001Tier 1 IATF + multi-certTBD
15Shindengen Electric (Thailand)Power electronics9001, 14001, IATF 16949Auto power electronicsTBD
16Siam Kubota CorporationAgricultural / Industrial equipment9001, 14001, 45001Multi-product IMSTBD
17Nippon Pulley (Thailand)Industrial pulleys9001, 14001Mechanical mfgTBD
18SGL Carbon (Thailand)Carbon / Graphite materials9001, 14001Advanced materialsTBD
19Seiko Precision (Thailand)Precision instruments9001, 14001Precision QCTBD
20Sodick (Thailand)Machine tools / EDM9001, 14001Machine toolsTBD
21Nisshin Foods (Thailand)Food products9001, 22000, FSSC 22000Food safetyTBD
22Shinkawa Sensor Technology (Thailand)Sensors9001, 14001Sensor QCTBD
23Nisshin Steel (Thailand)Metal processing9001, 14001, 50001Steel + energyTBD
24Thai Tec MatsudaPrecision pressTH/JP9001, 14001Precision partsTBD
25Kitamura Industrial Painting (Thailand)Industrial coatings services9001, 14001Painting services QCTBD
26Goko Springs (Thailand)Springs / coilsAUTO?9001, 14001, IATF 16949Auto springs IATFTBD
27Keihin Metal (Thailand)Auto parts / Metal springsAUTOTAIAIATF 16949, 14001Tier 1 IATFTBD
28Saku Precision (Thailand) — Aluminum Die CastingAluminum die castingAUTO?9001, 14001, IATF 16949Auto die-cast IATFTBD
29Mizuki Electronics (Thailand)Electronics9001, 14001EMSTBD
30Okamoto Industries (Thailand)Rubber / Latex products9001, 14001Rubber QCTBD
31Earth Pharmaceutical (Thailand)Pharmaceuticals / Insecticides9001, GMP, 14001Pharma GMP auditTBD
32Kawasumi Kagaku (Thailand)Specialty chemicals9001, 14001, RC 14001Responsible CareTBD
33Aisin Takaoka Asia (Thailand)Auto parts (Toyota Tier 1)AUTOTAIAIATF 16949, 14001, 45001Tier 1 IATF + IMSTBD
34Hachi-Ban (Thailand) — central kitchenFood production22000, FSSC 22000, GMPFood safetyTBD

Lat Krabang Industrial Estate

นิคมอุตสาหกรรมลาดกระบัง · กรุงเทพมหานคร (Bangkok) · est. 1978 · 1,000+ factories · 200,000+ workers

AddressChalong Krung Rd, Lat Krabang, Bangkok 10520
OperatorIEAT (กนอ.) — call 02-253-0561 for tenant directory
Area2,600 rai (416 ha) · 3 zones (general/free/service)
MixAuto · Electronics · Food · Logistics · Mfg
⚠️ Lat Krabang public tenant data limited: มีโรงงาน 1,000+ แต่ public directory online มีแค่ ~5 บริษัทที่ระบุชื่อ — ส่วนที่เหลือต้อง download Excel จาก IEAT website (https://www.ieat.go.th/en/estates/50 มีไฟล์ "รายชื่อผู้ใช้งานที่ดิน" 120 KB) หรือ โทรขอตรงที่ IEAT 02-253-0561. แนะนำดำเนินการ Path 1 (IEAT direct) parallel กับ Path 4 นี้

Confirmed Tenants (Public Sources)

# ชื่อบริษัท (Company) ทำธุรกิจอะไร Auto? TAIA? Ownership ISO ที่น่าจะมี Status / Recommended Pitch
1Isuzu Engine Manufacturing Co., Ltd.Auto engine manufacturing (OEM)AUTOTAIAIATF 16949, 14001, 45001Highest priority. www.isuzu.co.th · Engine plant = IATF 16949 mandatory
2TC Subaru (Thailand) Co., Ltd.Auto assembly (CLOSED Dec 2024)CLOSEDJP/HKPlant closed. Skip — but contact for transition planning consulting
3Mitsubishi Heavy Industries — AC factoryAir conditioning manufacturing9001, 14001, 45001, 50001Expanded plant 2024 · IMS audit + ESG
4K.C.E. Electronics Public Co., Ltd.PCB manufacturingTH9001, 14001, IECQ, IATF 16949www.kcethai.in.th · Auto PCB → IATF angle
5Rodenstock (Thailand)Optical lensesDE9001, 13485 (medical), 14001www.rodenstock.com · Medical device QMS

Additional Likely Tenants (cross-reference from TAIA + sector knowledge — verify before contact)

📞 Next Actions for Lat Krabang Pipeline

TAIA Automotive Members — OEM Master List

Thai Automotive Industry Association · 42 OEMs + 11 Motorcycle = 53 companies · prioritize for ISO inspection sales (location TBD per company)

Use this list to identify companies you should research separately: ทุกบริษัทใน TAIA มี IATF 16949 หรือกำลังจะมี — pipeline หลักของคุณคือ recert / surveillance / supplier audit. ส่วนใหญ่ HQ + plant ใน Bangkok / Rayong / Chonburi / Samut Prakan / Ayutthaya / Pathum Thani — bookmark TAIA website สำหรับ updates

OEM Auto Manufacturers (42)

1. Nissan Motor (Thailand)

2. Hino Motors Manufacturing (Thailand)

3. Tri Petch Isuzu Sales

4. Toyota Motor Thailand

5. Thonburi Automotive Assembly

6. Thai-Swedish Assembly

7. Bangchan General Assembly

8. Mitsubishi Motors (Thailand)

9. Thai Rung Union Car PCL

10. Toyota Auto Works

11. UD Trucks Corporation (Thailand)

12. Auto Technic (Thailand)

13. Auto Alliance (Thailand) — Mazda/Ford

14. Honda Automobile (Thailand)

15. Mercedes-Benz Manufacturing (Thailand)

16. BMW Manufacturing (Thailand)

17. AAS Auto Service

18. City Automobiles

19. Suzuki Motor (Thailand)

20. Ford Motor Company (Thailand)

21. Mazda Sales (Thailand)

22. SAIC Motor – CP

23. Volvo Car (Thailand)

24. TC Manufacturing & Assembly (Thailand)

25. Meister Technik

26. Mine Mobility Research

27. Isuzu Motors (Thailand)

28. Foton CP Motor

29. Daimler Commercial Vehicles (Thailand)

30. Belfort Automobile (Thailand)

31. Thaiyarnyon Intersales

32. Great Wall Motor Manufacturing (Thailand)

33. Volvo Bus (Thailand)

34. Neta Auto (Thailand) — EV (CN)

35. Tesla (Thailand)

36. BYD Auto (Thailand) — EV (CN)

37. Hyundai Mobility (Thailand)

38. Changan Auto Sales (Thailand)

39. Aion Automobile Sales (Thailand)

40. Rever Automotive

41. Kia Sales (Thailand)

42. Omoda & Jaecoo (Thailand)

43. Zeekr Intelligent Technology (Thailand)

Motorcycle OEMs (11) — also need IATF or QMS

1. Thai Yamaha Motor

2. Thai Suzuki Motor

3. Kawasaki Motors Enterprise (Thailand)

4. Ducati Motor (Thailand)

5. HDMC (Thailand) — Harley-Davidson

6. Triumph Motorcycles (Thailand)

7. Royal Enfield (Thailand)

8. Thai Honda

9. Trillion Motor

10. Marin Engineering

11. Deco Green Energy

🎯 EV / Chinese OEM Pipeline (NEW): Neta, BYD, Great Wall, SAIC-CP, Changan, Aion, Omoda, Zeekr — เพิ่ง setup TH plants 2023-2025 ต้องการ ISO setup ครั้งแรก (greenfield) = high-ticket opportunity. ISO 9001 + IATF 16949 + 14001 + 45001 + GB/T (Chinese standards) bundle

TAIA Tier 1 Auto Parts (79) + Action Plan

Tier 1 suppliers — IATF 16949 mandatory · biggest ISO inspection revenue pool

Tier 1 Auto Parts Manufacturers (79) — all TAIA members

1. Summit Auto Seats Industry

2. NHK Spring (Thailand)

3. Aisin Takaoka Asia ✓ Navanakorn

4. Denso (Thailand)

5. Central Motorwheel (Thailand)

6. CH.Auto Parts

7. Thai Radiator Manufacturing

8. Wichien Dynamic Industry

9. Mahle Siam Filter Systems

10. Siam Toyota Manufacturing

11. Nissan Powertrain (Thailand)

12. T.Krungthai Industries

13. SNN Tools & Dies

14. Sathien Plastic & Fiber

15. Siam Senator

16. B.T. Engineering

17. Thai International Die Making

18. Yachiyoda Alloy Wheel

19. Aoyama Thai

20. Yamaha Motor Parts Mfg (Thailand)

21. Siam Furukawa

22. Daisin

23. ZF (Thailand)

24. FMP Group (Thailand)

25. Yuasa Battery (Thailand)

26. Musashi Auto Parts ✓ Navanakorn

27. Michelin Siam

28. C.V.S. Industry

29. MC Metal Service Asia (Thailand)

30. Union Nifco

31. Mahajak Autoparts

32. U.M.C. Die Casting

33. Cherry Serina

34. Thai Decal

35. Honda Trading Asia

36. S.Y.S. Metal Products

37. Wisdom Auto Parts

38. Bangkok Metal Works

39. Bangkok Diecasting and Injection

40. Nichirin (Thailand)

41. Thai Summit Harness PCL

42. General Chemicals (Thailand)

43. The Century Plastic

44. Keihin Metal ✓ Navanakorn

45. N.Y.C. Industry

46. STD Production

47. S.P. Metal Part

48. Charoenlap Autopart

49. Thai Chanathron Industry

50. Osram (Thailand)

51. FCC (Thailand)

52. Bangkok Metropolis Motor

53. CH. Radiators

54. Thai Nippon Seiki

55. Tanaka Precision (Thailand)

56. Atsumitec (Thailand)

57. Thai Summit Gold Press

58. Decor Center Furniture

59. Thongchai Industries

60. Transtec Industry

61. Srithai Auto Seats Industry

62. AGC Automotive (Thailand)

63. Sriborisuth Industrial

64. Siam Ebisu

65. Nitto Matex (Thailand)

66. Thai Summit Autoparts Industry

67. Delta Electronics (Thailand) PCL

68. Summit Auto Body Industry

69. Magna Automotive Inergy

70. Plastic Omnium Auto Inergy

71. Yamaha Motor Asian Center

72. Ogawa Asia

73. Pongpara Codan Polymer

74. Astemo Asia

75. Somboon Advance Tech PCL

76. Harrington Industries (Thailand)

77. Quality Gauge and Tool

78. Aisin Asia Pacific

79. Picnic Plast Industrial

80. Robert Bosch Automotive Tech (Thailand)

81. C.Q.S.Precision Die Casting

82. Vico Technology (Thailand)

📋 ACTION PLAN — Week 1 Pipeline

Day Action Detail Output
D1โทร IEAT (กนอ.) ขอ tenant directory02-253-0561 — ขอ Lat Krabang + Navanakorn + Rojana full listExcel file 3 estate · 2,000+ companies
D1Download IEAT public Excelhttps://www.ieat.go.th/en/estates/50 → "รายชื่อผู้ใช้งานที่ดิน" 120KBLat Krabang full tenant list
D2Subscribe TAIA member portaltaia.or.th/en — 132 companies · full contact infoVerified phone + email per company
D2Cross-ref DBD บริษัทจดทะเบียนdbd.go.th — เช็คเลขที่จดทะเบียน + ทุน + กรรมการDecision maker shortlist
D3Setup Apollo.io (optional)filter "Thailand + Automotive + Manufacturing" — 90%+ accuracy contacts500+ verified leads
D3-D5Email outreach (priority high)11 "priority_high" บริษัทใน Top 3 — IATF recert pitch5-8 meetings booked
D5Field visit Rojanawalk-in plant office Honda · Bridgestone · FujikuraCard collection + intro meeting
D7Review + update CRMมา pivot per pipeline status (HubSpot/Pipedrive/Sheets)Week 2 plan

📚 Sources

IEAT Lat Krabang Industrial Estate

IEAT (กนอ.) Main Portal

TAIA Member List (full 132)

Thai-Koujyo Rojana Industrial Park

Thai-Koujyo Navanakorn Industrial Zone

Rojana Industrial Park PCL

Nava Nakorn Industrial Zones

Directors Directory — Lad Krabang

Directors Directory — Rojana

Nation Thailand — Subaru Closure 2024

DBD (กรมพัฒนาธุรกิจการค้า)

Kompass Thailand B2B Directory