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 50 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

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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.

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For guidance on picking a PR firm, read Jack O'Dwyer's article: How to hire and get the most from outside PR counsel.

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 Listings	N 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
666 Third Ave., 7th flr
New York, NY 10017

M Booth Health
111 Fifth Ave.
New York, NY 10003

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

Makovsky
228 E. 45th St.
New York, NY 10017

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

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

Mardiks Public Relations
261 Madison Ave.
New York, NY 10016

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

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

Markstein
1801 Fifth Avenue North
Birmingham, AL 35203

Marx Layne & Company
31420 Northwestern Hwy., #100
Farmington Hills, MI 48334

Mason Public Relations
23 Amity Rd.
Bethany, CT 06524

Matter
50 Water St., Mill #3, The Tannery
Newburyport, MA 01950

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

McDowell Communications Group
36 Trumbull St.
Hartford, CT 06103

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

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

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

Mekky Media Relations Inc.
The Wrigley Building, 410 N. Michigan Ave., #N700
Chicago, IL 60611

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

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

Merx Communications
3751 Brookside Rd.
Ottawa Hills, OH 43606

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

Milldam Public Relations
P.O. Box 206
Concord, MA 01742