บริษัทในตำบลประชาธิปัตย์ อำเภอธัญบุรี

ALPHA SMART CO., LTD.

BANGKOK TELECOMMUNICATION AND ELECTRICAL CO., LTD.

TP SERVICE AND TECHNOLOGY CO., LTD.

PD SIAM SUPPLY AND SERVICE COMPANY LIMITED

MAXY LALA Co., Ltd.

168 SUMPAOTHONG COMPANY LIMITED

KEEN INFORMATION TECHNOLOGY CO.,LTD.

RUNGSIT STEEL AND METAL CO., LTD.

VIJITCHOK ALLOYD CO., LTD.

GOOD UP ENGINEERING & CONSTRUCTION COMPANY LIMITED

U P ORGANIZEPLUS CO., LTD.

THAI SAHA INTERNATIONAL PRODUCTS LTD., PART.

GENERAL PRECISIONS COMPANY LIMITED

VITHITPONG ENGINEERING CO., LTD.

PIAK PLADOOK 909 CO., LTD.

ORPHINA LUXVITAL CO., LTD.

SIB HOK TOR KAO PRODUCTION CO., LTD.