EC429

Great Top Engineering Ltd.

valid

EC888

Yee Hop Engineering Co., Ltd.

Invalid

EC999

Urban Recycling Co., Ltd.

Invalid

OC001

Pyrofoe Engineers Ltd.

Invalid

OC002

Shan On Engineering Company Limited

Invalid

OC003

Fai Tak Engineering Co., Ltd.

Invalid

OC004

Welcome Construction co., Ltd

valid

OC005

Guardian Fire Engineers and Consultants, Limited

Invalid

OC006

Joint Effort Engineering (Asia) Limited

Invalid

OC007

Lam Geotechnics Limited

Invalid

OC008

Webster Engineering Company Ltd.

valid

OC009

Holake Hong Kong Lifts Limited

Invalid