PARKER GROUP in THAILAND
  THAI PARKERIZING CO., LTD.
   ° Bangpoo Industrial Estate(Samutprakarn)
   ° Gateway Industrial Estate(Chachoengsao)
   ° Hemaraj Eastern Seaboard(Rayong)
 PARKER ENGINEERING(THAILAND) CO., LTD.
 PARKER INTERNATIONAL CORPORATION(THAILAND) LIMITED
 KANIGEN CO., LTD.

PARKER GROUP in JAPAN
  NIHON PARKERIZING CO., LTD.
  PARKER CORPORATION
  PARKER ENGINEERING CO., LTD.
  PARKER PROCESSING CO., LTD.
  PARKER INDUSTRIES, INC
  PARKER NETSUSHORI KOGYO K.K.
  HAMAMATSU NETSUSHORI KOGYO CO., LTD.
  KANIGEN CO., LTD.

PARKER GROUP in OTHER REGION
  VIETNAM.
    VIETNAM PARKERIZING CO., LTD.
    PARKER PROCESSING VIETNAM CO., LTD.
  PHILIPPINE.
    PHILIPPINE PARKERIZING, INC.
  INDONESIA.
    P.T. PARKER ENGINEERING INDONESIA.
    P.T. PARKER METAL TREATMENT INDONESIA.
    P.T. NUSANTARA PARKERIZING.
  Malaysia.
    Nihon Parkerizing (Malaysia) Sdn. Bhd.
  INDIA.
    NIPA CHEMICALS LIMITED.
  KAKISTAN.
  CHINA.
    SHENYANG PARKERIZING.
    SHENGHAI PARKERIZING.
    GUANGZHOU PARKERIZING.
    SHONGGING PARKERIZING.
   KOREA.
    DAE HAN PARKERIZING.
    Parker Industries Korea Co., Ltd.
    Hanil Metal Industry Co.,Ltd.
  TAIWAN.
    CHUNG JI METAL TREATMENT CHEMICALS.
  U.S.A.
      TRUTEC INDUSTRAIL.