名稱
Macau Civil Engineering Laboratory (澳門土木工程實驗室)
Mada Construction Engineering Co Ltd (萬達建設工程有限公司)
Man Shing Cleaning Service Company Ltd (萬成清潔服務有限公司)
Mega Chains (China) Limited
MGI (Far East) Limited
Ming Kee Wood Co. Ltd. (明記木作有限公司)
MNM Partners KK
Modern Eng. Co. (現代工程公司)