REFERENCE
Customer Satisfaction
PTT Public Company Limited
IRPC Public Company Limited
Metropolitan Electricity Authority (MEA)
Provincial Electricity Authority (PEA)
Port Authority of Thailand
Electricity Generating Authority of Thailand
MAHLE BEHR THERMAL SYSTEMS (THAILAND) COMPANY LIMITED
GLOBAL UTILITIES SERVICES COMPANY LIMITED
NAVA NAKORN ELECTRICITY GENERATING COMPANY LIMITED
FISHER & PAYKEL APPLIANCES (THAILAND) COMPANY LIMITED
GKBI GGC KTIS BIOINDUSTRIAL COMPANY LIMITED
STAR MICRONICS SOUTHEAST ASIA COMPANY LIMITED
SRI U-THONG LIMITED
