Chateau De Rochechouart, Rochechouart, France.

Cheekwood Museum of Art, Memphis, Tennessee (Outdoor Piece). *

Chicago Art Institute, Chicago, Illinois.

De Pont Stitching Foundation, Tilburg, The Netherlands. *

City Hall Annex, Barcelona, Spain. *

Foundacion la Caixa, Madrid, Spain.

Foundation Cartier, Pour L'Art Contemporain, Paris, France.

Guggenheim Museum, New York City.

Hirshhorn Museum, Washington D.C.

Indianapolis Art Museum, Indianapolis, Indiana. *

Israel Museum, Jerusalem, Israel (Outdoor Piece).

Kawanishi City, Niigata, Japan (Architectural Piece). *

Kielder Partnership, Northumberland, England (Outdoor Piece). *

Kilfane Gardens Trust, County Kilkenny, Ireland.

Kunstsammlung fiir Nordrhein and Westfalen, Dusseldorf, Germany.

Lannan Foundation, Santa Fe, New Mexico.

Le Musee d'Art Contemporain De Montreal, Quebec, Canada.

Lenbachhaus, Munich, Germany. *

Live Oak Meeting, Houston, Texas (Architectural Piece). *

Mattress Factory, Pittsburgh,Pennsylvania. *

Millennium Dome, London, England.

Ministry of Culture, le Crestett, France.

Munich Rucksversicherung, Munich, Germany. *

Musee d'Art Contemporain, Lyon, France.

Museum Fur Moderne Kunst, Frankfurt, Germany. *

Museum of Contemporary Art, Los Angeles, California.

Museum of Fine Art, Houston, Texas. *

Museum of Modern Art, New York City.

Museum van Hedendaagse Kunst Antwerpen, Antwerpen, Belgium (Outdoor Piece).

Newport Harbor Art Museum, Newport, California.

Northern Arts, Caragill, England (Outdoor Piece).

Panza Collection, Varese, Italy. *

Plan B, Santa Fe, New Mexico (Outdoor Piece).

Pont du Gard, Nimes, France (Architectural Lighting).

Principal Corporation, Des Moines, Iowa. *

P.S. 1, Long Island City, New York.

San Diego Museum of Contemporary Art, La Jolla, California.

San Francisco Museum of Modern Art, San Francisco, California.

Seattle Art Museum, Seattle, Washington.

Scottsdale Museum of Contemporary Art, Scottsdale, Arizona. *

Skystone Foundation, Flagstaff, Arizona (Outdoor Piece).

Sprengel Museum, Hanover, Germany. *

Stroom, Den Haag, The Netherlands (Outdoor Piece).

Verbundnetz Gas, Leipzig, Germany (Architectural Lighting).