2014 Giants: Top 20

Gensler, Ranked #1. Project: Alexander Hotel. Location: Indianapolis. Photography by Andrew Bordwin.

Perkins + Will, Ranked #3. Project: Media Offices. Location: Sydney, Australia. Photography by Nicole England.

HOK, Ranked #5. Project: WPP. Location: Toronto. Photography by Tom Arban.

Callison, Ranked #6. Project: Kid's Cavern. Location: Macao, China. Photography courtesy of Callison.

IA Interior Architects, Ranked #7. Project: Mercedes-Benz Research and Development. Location: Sunnyvale, California. Photography by Sherman Takata.

Stantec, Ranked #8. Project: BMObility. Location: Toronto. Photography by Richard Johnson.

Leo A Daly, Ranked #9. Project: The Melrose Georgetown Hotel. Location: Washington, DC. Photography by Tony Secker.

Cannon Design, Ranked #10. Project: Museum of Tolerance. Location: Los Angeles, CA. Photography by Anton Grassl/Esto.

Nelson, Ranked #13. Project: Goldman Ismail Tomaselli Brennan & Baum. Location: Chicago. Photography by Padgett and Company.

NBBJ, Ranked #14. Project: University of San Francisco John Lo Schiavo, S.J. Center for Science and Innovation. Location: San Francisco, CA. Photography by Sean Airhart.

Areen Design Services, Ranked #15. Project: King Abdulaziz International Airport. Location: Jeddah, Saudi Arabia. Image courtesy of Areen Design .

AECOM, Ranked #17. Project: Financial Office. Location: Los Angeles. Photography by Benny Chan/Fotoworks.

Wilson Associates, Ranked #18. Project: JW Marriott New Delhi Aerocity. Location: New Delhi, India. Photography courtesy of JW Marriott New Delhi Aerocity.

Perkins Eastman, Ranked #19. Project: Tronox Headquarters. Location: Stamford, CT. Photography copyright Sarah Mechling/Perkins Eastman.

M Moser Associates, Ranked #20. Project: Envision Energy. Location: Shanghai, China. Photography by M Moser Associates.