Sector SKI is an American Sector stationed in Kenosha,WI with 4 operatives stationed in the treehouse.

Numbuh 11:Leader and heavy weapons specialist;Real Name:James Green

Numbuh 321:second in command and 2X4 Tech specialist;Real Name:Taylor Johansen

Numbuh Pieces of 8:Naval specialist and stealth operative;Real Name:Trever Heide

Numbuh -4:Crazy speed specialist and back-up stealth operative;Real Name:Julian Mccarthy