บริษัทในอำเภอกุมภวาปี จังหวัดอุดรธานี

MAMEE MARUAY COMPANY LIMITED

HAPPY MILK POWDER CO., LTD.

KN WINK WHITE CO., LTD.

UDORN TELEWIZ LTD., PART.

HONGHERN ENGINEERING (THAILAND) CO., LTD.

S.B.B. KARNCHANG LIMITED PARTNERSHIP

S.PATANAINTERMOBILE LIMITED PARTNERSHIP

98 PHONE & SERVICE LIMITED PARTNERSHIP

NON.

DHARADHORN LIMITED PARTNERSHIP

KHUNPHON SERVICE (KUMPHAWAPI) COMPANY LIMITED

WIRAKIT SERVICE LIMITED PARTNERSHIP

SURAT PETRO SERVICE (2003) LIMITED PARTNERSHIP

UEA PANYA DETROLEOM LTD., PART.