Exhibit 21

Domestic Subsidiaries

Ketchikan Pulp Company

Entekra Holdings, LLC

Entekra, LLC

Entekra Truss, LLC

Foreign Subsidiaries

Louisiana-Pacific Canada Holdings Ltd.

Louisiana-Pacific Canada Ltd.

Slocan-LP OSB Corp.

Louisiana-Pacific South America S.A.

Louisiana-Pacific Mexico

LP Brasil OSB Industria E. Comercio S.A.

Louisiana-Pacific Chile S.A.

Louisiana-Pacific del Perú S.A.C.

Louisiana-Pacific Argentina S.R.L.

Louisiana-Pacific Colombia S.A.S.

Louisiana-Pacific Paraguay S.A.

Entekra Ltd