Top 10 Manufacturers in Rayong — 2026 Trust Score Rankings
Rayong hosts 271 manufacturers indexed in our directory — these are the top 10 ranked by independent Trust Score (Google rating combined with public review volume, capped so volume doesn't dominate alone).
How we rank
Trust Score is computed from public Google Business Profile data — rating, review count, review coverage, average review length. Sponsored placements are clearly badged separately and never displace the organic ranking. Full methodology.
Top 10 Manufacturers in Rayong
- 1. Neoperl Asia Pacific Co., Ltd. — Trust 76, ★ 5.0 (41 reviews) in Pluak Daeng District · neoperl.com.
- 2. Mitsubishi Electric Thai Auto-Parts Co.,LTD. — Trust 76, ★ 4.7 (60 reviews) in Pluak Daeng District · th.mitsubishielectric.com.
- 3. Robert Bosch Automotive Technologies (Thailand) Co., Ltd. (Hemaraj Plant) — Trust 75, ★ 4.6 (63 reviews) in Pluak Daeng District · bosch.co.th.
- 4. LG Electronics (Thailand) Co.,Ltd.(FACTORY) — Trust 75, ★ 4.3 (101 reviews) in Pluak Daeng District · lg.com. Reviewer mentions: good location.
- 5. JTEKT Automotive (Thailand) Co., Ltd. บริษัท เจเทคโตะ ออโตโมทีฟ (ไทยแลนด์) จำกัด — Trust 74, ★ 4.5 (81 reviews) in Pluak Daeng District · facebook.com.
- 6. The Inner Line Co., Ltd — Trust 74, ★ 4.7 (43 reviews) in Mueang Rayong District · theinnerlineltd.com.
- 7. Piolax (Thailand) LTD. — Trust 74, ★ 4.7 (48 reviews) in Pluak Daeng District · piolax.co.jp.
- 8. Exotic Food PCL (Amata City) — Trust 74, ★ 4.9 (28 reviews) in Pluak Daeng District · exoticfoodthailand.com. Reviewer mentions: high quality.
- 9. UACJ — Trust 74, ★ 4.2 (92 reviews) in Pluak Daeng District · uath.uacj-group.com.
- 10. Thai Meira Co.,LTD. — Trust 73, ★ 4.7 (41 reviews) in Pluak Daeng District · thaimeira.com.
Province snapshot
Eastern Seaboard chemical and automotive heartland — anchored by Map Ta Phut petrochemical complex and the WHA/Amata estates.
Manufacturers are the #1 largest category in Rayong by company count within our directory, with 271 listed suppliers.
Where to dig deeper
Buyer note: this list reflects public Google data at the time of generation; for active sourcing, verify supplier status and certifications directly. See our verification guide for what to check before contracting.