Rubber and plastics

53 companies listed in Korea file under this classification. Figures below are each company's most recent filed year, mostly 2025.

Companies53
Combined revenueKRW 45,408bn
Median revenueKRW 126bn
Largest company's share46.7%

We show the median rather than the average because one company often carries a whole classification. The largest firm's share of combined revenue is there so you can see when that is happening.

All companies, by name

Listed alphabetically, not ranked. We do not order companies by size or call any of them leading, major or top.

CompanyMarketYearRevenueOperating profitNet profit
ASSEMS INC.136410KOSDAQ202560129
BAIKSAN CO.,LTD035150KOSPI20255055433
CHIN YANG INDUSTRY CO.,LTD.003780KOSPI20259187
CHINYANG CHEMICAL CORPORATION051630KOSPI202519-11
CHINYANG HOLDINGS CORPORATION100250KOSPI2025280622
CHINYANG POLY URETHANE CO.,LTD010640KOSPI20254722
CP SYSTEM CO.,LTD413630KOSDAQ20251922
CUBIC KOREA INC.021650KOSDAQ202522785
DAEJIN ADVANCED MATERIALS Inc.393970KOSDAQ202585-20-40
DAEWON CHEMICAL CO.,LTD024890KOSPI202512614
DCKSUNG CO.,LTD004830KOSPI202514665
DK&D CO.,LTD263020KOSDAQ2025143129
Dongwon Systems Corporation014820KOSPI20251,3736654
DRB Holding Co.,Ltd004840KOSPI2025803259
DRB Industrial Co.,Ltd163560KOSPI20253651910
HANKOOK TIRE & TECHNOLOGY CO.,LTD161390KOSPI202521,2021,841972
JINYOUNG CO., LTD285800KOSDAQ202532-3-3
KOYJ. CO.,LTD121850KOSDAQ202513-8-11
KUMHO TIRE CO., INC.073240KOSPI20254,701576377
KX HITECH CO.,LTD052900KOSDAQ202512654
LSKAIROBOT CO.,LTD091970KOSDAQ202550-0-10
LX HAUSYS, LTD.108670KOSPI20253,17913-44
MNTECHCo.,Ltd.095500KOSDAQ20255392114
National Plastic Company Limited004250KOSPI20254502413
NDFOS CO., LTD.238090KOSDAQ20255055
NEXEN CORPORATION005720KOSPI20253,587204178
NEXEN TIRE CORPORATION002350KOSPI20253,190170151
NUVOTEC Co., Ltd060260KOSDAQ20254312
OSUNG ADVANCED MATERIALS CO., LTD.052420KOSDAQ20251663032
PAKERS CO., Ltd.065690KOSDAQ202553-135
PI Advanced Materials Co., Ltd.178920KOSPI20252634330
PLUMB FAST CO., LTD.035200KOSDAQ202525-01
PUM-TECH KOREA CO., LTD.251970KOSDAQ2025372576
S POLYTECH CO.,LTD.050760KOSDAQ202567-5-9
SAMYANG PACKAGING CORPORATION272550KOSPI20254202518
SAMYOUNG CO.,LTD.003720KOSPI20251531515
SANG-A FRONTEC CO., LTD.089980KOSDAQ202519677
SANGBOCo.,Ltd027580KOSDAQ202550-9-13
SERIM B&G Co.,Ltd340440KOSDAQ20254812
SHINWHA INTERTEK CORP.056700KOSDAQ202522993
STARFLEX CO., LTD115570KOSDAQ20259973
Stormtec Co.,Ltd352090KOSDAQ2025701210
SUN&L CO.,LTD002820KOSPI2025272-18-4
SY DONG-A Co., Ltd.041930KOSDAQ20254031727
TAPEX INC055490KOSPI202514132
TKG AIKANG CO., LTD022220KOSDAQ202565-11-12
Vessel Co., Ltd.177350KOSDAQ202517-318
WATOSCOREACO.,LTD079000KOSDAQ202514-4-3
WISCOM CO.,LTD024070KOSPI2025103-11
WonpoongCorporation008370KOSDAQ20258877
YeSUN Tech Co., Ltd.250930KOSDAQ202538-1-1
YOULCHON CHEMICAL CO.,LTD008730KOSPI202548594
YOUNGBO CHEMICAL CO.,LTD014440KOSPI20251201917