Public Relations Firms Database

O'Dwyer's is the #1 source for researching public relations firms and outside PR counsel. We've been connecting clients and PR firms for 51 years through our printed and online directory of PR firms.

Scroll down for an alphabetical list of firms in our database. In addition, we have indexes by geographical location and 25 PR specialties:

- PR Firms in Alphabetical Order
- PR Firms By Location
- PR Firms By Specialty

Download PDF of 2021 directory
Order Hard Copy

List Your Firm With O'Dwyer's





To do a quick search for a PR firm listed in O'Dwyer's database, enter firm name in the box below:

O'Dwyer's is the only place you can look up a client (e.g., Microsoft, Nike, Starbucks) and determine its outside PR counsel. Results will show the client name you searched for with links to PR firms in our database that have done work for that client.

Try out our client search!

To help clients shop for PR and wind up with legitimate outside PR counsel, O'Dwyer's ranks PR firms each year by net fees. Those firms which have satisfied the O'Dwyer ranking rules – supporting fee and employee totals with income tax and W-3 forms and providing a current account list – have a rankings seal next to their name throughout our database.

Alphabetical Listing of Firms (Click firm logos & names for full description)

M Listings

« L ListingsN Listings »
0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

M Booth M Booth
666 Third Ave., 7th flr
New York, NY 10017

M Booth Health Ranked PR firm
M Booth Health
666 3rd Ave., 7th flr.
New York, NY 10017

Magrino PR Magrino PR
352 Park Ave. South, 6th flr.
New York, NY 10010

Makovsky Makovsky
60 E. 42nd St.
New York, NY 10165

Marathon Strategies Ranked PR firm
Marathon Strategies
38 E. 29th St., 4th flr.
New York, NY 10016

March Communications Ranked PR firm
March Communications
560 Harrison Ave., Suite 408
Boston, MA 02118

Marino. Marino.
747 Third Ave., 18th flr.
New York, NY 10017

Marketing Maven Public Relations Ranked PR firm
Marketing Maven Public Relations
2390 C Las Posas Rd., #479
Camarillo, CA 93010

Markstein Markstein
1801 Fifth Avenue North
Birmingham, AL 35203

Matter Ranked PR firm
197 Portland St., 3rd flr.
Boston, MA 02114

McCabe Message Partners Ranked PR firm
McCabe Message Partners
1825 Connecticut Ave., N.W., #300
Washington, DC 20009

McDowell Communications Group McDowell Communications Group
36 Trumbull St.
Hartford, CT 06103

MCS Healthcare Public Relations Ranked PR firm
MCS Healthcare Public Relations
110 Allen Rd., #303
Basking Ridge, NJ 07920

Media Frenzy Global Media Frenzy Global
3424 Peachtree Rd. NE, #2200
Atlanta, GA 30326

MEK Group MEK Group
11405 N. Pennsylvania St., #103
Carmel, IN 46032

Mekky Media Relations Inc. Mekky Media Relations Inc.
1165 N. Clark St., #700
Chicago, IL 60610

Merritt Group Ranked PR firm
Merritt Group
8251 Greensboro Dr., #600
McLean, VA 22102

Merryman Communications Merryman Communications
318 Avenue I, Suite 227
Redondo Beach, CA 90277

Merx Communications Merx Communications
3751 Brookside Rd.
Ottawa Hills, OH 43606

329 Bryant St., #4D
San Francisco, CA 94107

MMGY NJF Ranked PR firm
360 Lexington Ave., 10th flr.
New York, NY 10017

Montieth & Company Ranked PR firm
Montieth & Company
10 Grand Central, 155 E. 44th St.
New York, NY 10017

Moore, Inc. Ranked PR firm
Moore, Inc.
2011 Delta Blvd.
Tallahassee, FL 32303

Motion Agency, Inc., The Motion Agency, Inc., The
325 N. LaSalle Dr.
Chicago, IL 60654

Moxē Moxē
1310 E. Robinson St.
Orlando, FL 32801

MP&F Strategic Communications Ranked PR firm
MP&F Strategic Communications
611 Commerce St., #3000
Nashville, TN 37203

MSR Communications, LLC MSR Communications, LLC
One Embarcadero Center, #1540
San Francisco, CA 94111

MWW Ranked PR firm
1250 Broadway, 3rd flr.
New York, NY 10001

M Listings

« L ListingsN Listings »
0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z