In the June 13 print issue, ENR California will include its annual Top Design Firms ranking by both total regional revenue and by sector, featuring architecture and engineering firms from across California and Hawaii.

In the meantime, here's a preview of some of the firms that are already participating this year, listed below in alphabetical order:

AECOM

Arcadis North America

Arup

BKF Engineers

Burns & McDonnell

Cardno

Carollo Engineers

Gensler

HDR

HMC Architects

HNTB Corp.

HOK

Kimley-Horn

Kleinfelder

Michael Baker International

Moffatt & Nichol

Mott MacDonald

Parsons Corp.

Psomas

SmithGroup

Stantec

STV

Terracon Consultants Inc.

The Boldt Co.

WSP USA