SKK 

SKK Holdings Limited, through its subsidiaries, provides civil engineering services in Singapore. It undertakes subsurface utility works, such as power and telecommunication cable laying works, water pipeline works, and sewer rehabilitation works. The company also offers gas pipeline and sewer construction works; and underground piping, underground utility infrastructure construction and maintenance, horizontal directional drilling, and plumbing and sanitary works. It serves government authorities, utility companies, or contractors. The company was founded in 2013 and is headquartered in Singapore.