Possible meanings, JM:

Journal of Management
John Murray
Johns Manville
Jose Maria
Joined Mar
John Marshall
Jose Marti
Jr Michael
Jean Monnet
Joint Motion
Job Manager
Jamaica Montego
John Mills
John Monroe
Jazz Masters
John Murphy
Junior Men
Jorge Mario
James Murray
Jacksonville Minilibrary (Phoenix, MD)
Jane Moreland (Imperial, NE)
Jenkins Middle (Haines City, FL)
Jim Myers (Purvis, MS)
Joan Murphy (Ramsey, NJ)
John Muir (San Jose, CA)
James Morrow
J MacArthur
John McLean
JA Michell
Jones and Mitchell
John Moses
Jumpers Master
JOINT MODELING
Jr McKenzie
JA Montgomery
Jr McManus
John Medeski
JD Melillo
Jr McGuire
Jr Millstein
Jonasson MR
Jr MacDougall
Jonan Models
Jr Masters
JW McConnell
Jeff Magee
Jim Mangarella
Jesper Mogensen
JFB Mitchell
Jona Michelle
Jonathan Mark
Jr and Moore
J Milosavljevic
Jackson Mountains
Jeremiah Metzger
JF Minster
Jpn Mishler
Justin McIntyre
JA Manzanera
Jenkins Magellan
Johnathan Metcalf
Jon Menard
JP McGuirk
JP Moshell
Jr and McKenzie
JR and McKim
Jr Middaugh
Juan Manalili
JW and Madden
Jonathan M

(Source: http://www.acronymattic.com/jm.html)

Tracy Fogarty

Founder & CEO at eNaming
With over 20 years in the brokerage business, Tracy Fogarty has helped thousands of clients achieve their goals on both sides of the negotiation table. Creative and result oriented professional, Ms. Fogarty strives on honest communication, value proposition, the big picture perspective, and bottom-line profitability.