National Gallery of Iceland, Reykjavík:

Seven Metres, 1992
Memories, 1981
Glassrain, 1984

Reykjavík Art Museum:

Zero Degrees, 1990
Cosmos II, 1991
Time-Relativity-Cosmos, 1993

The Living Art Museum, Reykjavík

Forest (II), 1983
Desolation (II), 1987
Time/Pavilion, 1987
Time Concrete, 1987
Relativity, 1998
Afstæði, 1998
A Proposition How to Change the Icelandic National Costume…, 1974
Golden Car-II, 1976
Study-Book, 1978
Items (VIII), 1983

Icelandair Art Collection, Reyjavík:

Sketch of an Image of the Refraction of Light-I, 1991
Two Metres (Black and White Metres), 1992
Afstæði, 1998

Icelandair Hotel Reykjavik Natura:

Reflections Tetralogy, 2011

Kópavogur Art Museum—Gerðarsafn:

Waterfall, 2004
Waterfall, 2004

Safnasafnið—The Icelandic Folk and Outsider Art Museum:

Items (VIII), 1983
Terminated II, 2007

Kreditanstalt für Wiederaufbau, KfW,
Frankfurt am Main:

Relativity, 1997

Gallerie Zona, Florence:

Study-Book, 1978

International Mail Art Archive, Pisa:

Peace – Handle With Care, 1980

Centro Internazionale Multimedia, Salerno:

Time Concrete, 1987

Kuopion Taidemuseo, Kuopio:

Items (VIII), 1983
Kuopio Observatorium—Book, 1995

Henie Onstads Kunstcenter, Oslo

Items (VI), 1981

La Exelentísima Diputación Provincial, Galicia:

Forest II, 1983

Studio Levy, Madrid:

Air-Mail, 1978

Museum of Modern Art, New York,
(Franklin Furnace coll.):

Study-Book, 1978
Items (VIII), 1983
Forest (II), 1983