Professional services (legal/accounting/etc.)

Andiamo Systems

501 2nd Street, Suite 700, San Francisco, California, USA

Brains on Fire

148 River St, Ste 100, Greenville, South Carolina

GasPedal

333 W North Ave, Ste 500, Chicago, Illinois

Icosystem

10 Fawcett St, Cambridge, Massachusetts

Jack Morton Worldwide

919 Third Avenue, New York, New York

NCI Mobility

211 E Grand Ave, Ste 300, Chicago, Illinois

PopularMedia

1550 Bryant St, Ste 925, San Francisco, California

Taylor PR

350 Fifth Avenue, Suite 3800, New York, New York

Umbria

1655 Walnut, Ste. 300, Boulder, Colorado

A Squared Group

634B N Robertson Blvd, West Hollywood, California

Organic

555 Market St., 4th Fl., San Francisco, California

Rosenberg Communications

451 Hungerford Drive, Suite 510, Rockville, Maryland

Zocalo Group

670 N Clark St, 2nd Fl, Chicago, Illinois

BuzzLogic

625 2nd St, 3rd Fl, San Francisco, California

Carton Donofrio Partners

100 N Charles St, Ste. 1500, Baltimore, Maryland

Chameleon PR

60 Mark Ln, London, England

ClearSaleing

5870 Venture Drive, Suite A, Columbus, Ohio

Cluepedia

1300 S. Bristol St, Santa Ana, California

Community Analytics

2400 Boston St Ste 203, Baltimore, Maryland

ConnectUs Marketing

724 Wesley Drive NW, Atlanta, Georgia, USA

Dentsu|Avenue A|Razorfish

Tsukiji 5-6-10, Chuo-ku, Tokyo, Japan

Drum Communications Finland

Pursimiehenkatu 26 C, Helsinki, Finland

Effective Networking

4 Copley Pl, Ste 100, Boston, Massachusetts

Emergence Agentur fuer Oeffentlichkeitsarbeit GmbH

8. Mai Strasse 26, Klagenfurt, Austria

FBK Research

19105 Richmond Beach Drive NW, Shoreline, Washington, USA

Fleishman-Hillard

1615 L Street, NW, Suite 1000, Washington, District of Columbia

Future Now

246 Creamer St, Brooklyn, New York

GolinHarris

13155 Noel Rd, Ste 750, Dallas, Texas

Hanser & Associates

4401 Westown Pkwy, West Des Moines, Iowa

Hill & Knowlton

222 Merchandise Mart Plaza, Ste. 275, Chicago, Illinois

Imre Communications

909 Ridgebrook Rd Ste 300, Baltimore, Maryland

Integral Marketing and Communications

Maksimirska 94, Zagreb, Croatia

Interpret-Her

2719 Kipling Ave., S, St. Louis Park, Minnesota

MotiveQuest

1578 Sherman Ave, Evanston, Illinois

Oneupweb

13561 S. West Bayshore Dr, Traverse City, Michigan

Passenger

6100 Wilshire Blvd., Ste. 1110, Los Angeles, California

Rose Communications

720 Monroe St., Ste. E314B, Hoboken, New Jersey

SKM Group

6350 Transit Rd, Depew, New York

StartSampling, Inc.

130 E St Charles Rd, Ste C, Carol Stream, Illinois

TNS Media Intelligence/Cymfony

125 Walnut St, Ste 205, Watertown, Massachusetts

Taylor Johnson Associates

180 N Wacker Ste 200, Chicago, Illinois

The Vandiver Group

510 Maryville Centre Drive, Suite 320, St. Louis, Missouri

These Days

Karel Oomsstraat 47, Antwerp, Belgium

Underwired

143-145 Farringdon Road, London, UK

Veryweb

via Lomazzo 29, Milan, Italy

Viewpoints Network

444 N Wells St, Ste 406, Chicago, Illinois

Visible Technologies

401 2nd Ave., S., Ste. 101, Seattle, Washington

WOMbeat!

1213 E. 6th Ave, Tampa, Florida, USA

WordWise Group

3001 Keller Springs Rd, Ste 110, Carrollton, Texas

Zealot

LVL 21 - 201 Miller St, North Sydney, Australia

Zuberance

2884 Roland Ave, San Carlos, California