- KNOX & Osborne Advertising
- Knoxville Advertising
- Knoxville Advertising
- Kobeco Graphics Communications
- Koepell Direct
- Kohler & Miller Inc
- Konig Group
- KPC Louisville
- Kraemer Communications
- Kreinest & Assoc Inc
- Kron & Assoc Advertising Inc
- KSC Public Relations Inc
- Kuhn & Assoc
- Kurtis Group
- Kuykendall & Co
- KWME
- L 2 Group
- L D & A Advertising Corp
- L G Investment Group Inc
- L Martinez Assoc
- L S Advertising & Graphics
- L W Ramsey Advertising Agency
- LA Communidada Corp
- LA Master Advertising
- LA Voz Radio
- Lab
- Ladd Communications
- Lafco Marketing & Promotions
- Laffey & Assoc
- Lagniappe Connection
- Lagniappe Media
- Laird Christianson Harris Inc
- Lake Prairie Marketing
- Lalich Resources Inc
- Lampron Lil' Mart-Windham
- Lancaster Mauzy
- Lander Group LTD
- Landers & Partners
- Landon Publications
- Landon Publications
- Lane Agency
- Langdon Marketing
- Langdon Productions
- Langford Group
- Lanza Group
- Lapchick Creative
- Larry Farley & Assoc
- Larry Leafblad Advertising
- Larry Smith & Assoc
- Larson Design Assoc Inc
- Laser Advertising
- Lassiter Advertising
- Latin Box
- Latin Medios.Com Inc
- Latino Advertising Inc
- Lattimer Moffitt Comms
- Laurenzo Jones
- Laurie Landry Advertising
- Lavery & Co
- Lawler Ballard Van Durand Inc
- Lawson Phillips Assoc Comms
- Lazzari Graphics Inc
- LCG Marketing
- LCI
- LCI Fort Lauderdale
- LDMI
- Le Grand Advertising
- Ledgehill Advertising
- Lee Curtis & Assoc
- Lefana Creative Group Inc
- Lefebvre & Assoc
- Lefebvre & Assoc
- Lefebvre & Assoc
- Leffler Agency
- Left Brain Marketing
- Leftfield Advertising
- Legacy Marketing Group
- Legasse Group
- Legend Magazine
- Legend Promotions
- Legris & Assoc
- Lehman Group
- Leigh Kain Advertising
- Lennon Communications Group
- Leslie Evans Creative
- Lessing-Flynn Advertising Co
- Lester & Assoc
- Lev Avishay
- Lev Lane Advertising
- Levimar & Co Inc
- Levine Advertising
- Levy MA & Assoc
- Lewis & Assoc
- Libbi Morgan & Great Creative
- Light In Central Illinois
- Light In Central Illinois
- Lime Creative Group
- Linderman Media Group
- Lindsay Rea Foundation
- Lindvall M Print Communication
- Lino & Assoc Inc
- Lion Advertising
- Lipof Advertising
- Lipscomb & Co
- Liquid Advertising
- Liquid Marketing & Promotions
- Listing Buyers Sellers Inc
- Little Fish Productions
- Livingston Laser Graphics Inc
- Liza Advertising
- Lloyd Daniel Corp
- Lloyd G Jakeway Advg & Public
- Lo Buono & Assoc
- Lodge Design Co
- Loewenthal Agency
- Logo Advertising
- Logo's N Things
- Logos Enterprises
- Lone Group Advertising & Mktg
- Long Advertising & Marketing
- Lord & Lasker
- Lord & Lasker
- Lord Jean-Charles & Lord Inc
- Lost Art Advertising
- Lottridge Advertising
- Louisiana Marketing Inc
- Love Scott & Assoc
- Lovell's Advertising Plus
- Lowe Associates Inc
- Loyd Desktop Publishing Svc
- LUC Media Inc
- Lucas Design & Advertising
- Lucid Media
- Luckart Studios
- Luxury Hotel Publications
- M & E Shoe Co
- M & M Advertise & Supply
- M & R Advertising & Public
- M A Cook Design
- M A Moore & Assoc
- M B Piland Advertising & Mktg
- M C Consulting Agency
- M C Squared Inc
- M E & V
- M J Communications
- M Media Consulting Inc
- M2 W Inc
- M2W Advertising
- M2W Advertising
- Ma Fishback Co LTD
- MAAPS Inc
- Maas Media
- Mac Group
- Mac Peripheral Source
- Mace & Assoc
- Machado Garcia-Serra Comm
- Maclntyre Advertising
- Maclntyre Advertising
- Macquarium Inc
- Madison Avenue Advertising
- Madison Avenue Communication's
- Madison South
- Madison Unger WEBB Inc
- Madog Grafix Visual Comms
- Mag Office
- Magna Group
- Magnetic Image Video
- Magnolia Advertising Spec
- Magnum Direct LLC
- Mailstar Direct
- Main Street Marketing
- Maine Advertising & Marketing
- Majestic Media Solutions
- MAK Media
- Make
- Malcolm Marketing Comms
- Malcy Co
- Mallard Group Inc
- Mallen & Friends Advertising
- Malone Marketing
- Man In A Box Advertising
- Man Marketing
- Mana Means Advertising & Pr
- Management Development
- Manhattan Advertising Agency
- Manifesto Advertising Inc
- Manuszak Schoff Inc
- MAR Por Cuba
- Maran Agency
- Marc USA
- Marimark
- Marin & Marin Design Group
- Mark 4 Marketing
- Mark Enoch Group
- Mark Schwartz & Co
- Markert Advertising
- Market & Co Advertising Agency
- Market Aide Svc Inc
- Market Design
- Market Edge Media
- Market First
- Market Junction
- Market Place
- Market Share Plus
- Market Spectrum Media Group
- Market Technology
- Market Wise Advertising & Dsgn
- Marketec
- Marketing & Comm Support Inc
- Marketing & Creative Svc Inc
- Marketing Advertising Consltnt
- Marketing Advertising Planning
- Marketing Advertising Solution
- Marketing Alternatives Inc
- Marketing Analytics Group
- Marketing APS
- Marketing Arm
- Marketing Brain Trust
- Marketing By Design
- Marketing By Design
- Marketing By Design
- Marketing By Design
- Marketing Center
- Marketing Consortium
- Marketing Consumers Research
- Marketing Ctr
- Marketing Department Adv
- Marketing Dynamics
- Marketing Dynamics
- Marketing Endeavors Inc
- Marketing Impact Inc
- Marketing Indentity Prtnrshp
- Marketing Innovations
- Marketing Magic
- Marketing Magic Inc
- Marketing Management Inc
- Marketing Matters
- Marketing Media Group
- Marketing Partners
- Marketing Resource Group
- Marketing Resource Group Inc
- Marketing Services Inc
- Marketing Services Inc
- Marketing Specifics Inc
- Marketink Inc
- Marketplace Media Group Inc
- Marko Group
- Marser Consulting
- Marshall Advertising
- Marshall Group
- Martin Graphics
- Martinez Communications
- Martopia Communications
- Mary Fisher Design
- Marymack Advertising
- Mas Media
- Mass Media Marketing
- Masson Agency
- Master Control Media Inc
- Master Design Group
- Master Mechanic Mfg Co
- Mastermind Marketing
- Masterpiece Marketing
- Matador Miami
- MATCH Inc
- Matheson Gerds
- Mathews & Co
- Mathis Earnest & Vandeventer
- Mathis Earnest & Vandeventer
- Mathis Group
- Matlock & Assoc Inc
- Matrix Advertising
- Matrix Marketing
- Matrix Marketing Advertising
- Matsumoto & Clapperton Advg
- Matthew Spisak Studio
- Maven Media Inc
- Maverick Advertising & Design
- Maverick Interactive Inc
- Max Media
- Maximum Profit Marketing
- Maxwell Group
- Mayhew Advertising
- Mc Cabe Duval & Assoc
- Mc Caffrey & Assoc Inc
- Mc Cann-Erickson
- Mc Carney Sacks Santilli Advg
- Mc Clay Inglesby Advertising
- Mc Cormick Advertising
- Mc Cusker & Mc Cusker
- Mc Gehee Agency Advertising
- Mc Guire Co
- Mc Kay & Co
- Mc Kay Advertising Group
- Mc Laughlin & Bowers Advg
- Mc Lellan Marketing Group
- Mc Mahon & Mc Mahon Advrtsng
- Mcknight Advertising
- MCS Advertising
- MCS-Media Coordination Svc
