Precision Drilling
PDS
Lantheus
LNTH
Dorian LPG
LPG
Collegium Pharmaceutical
COLL
Halozyme Therapeutics
HALO
Chi Ko Holdings Ltd. engages in the provision of construction services. It is involved in the foundation and site formation work, development of superstructures, demolition work, alteration and addition work, and other general building work services. The company was founded in 1981 and is headquartered in Hong Kong.