- LifeNet Health
- Lindenmeyr Munroe
- Lions Medical Eye Bank
- Lisa Kory
- Lochlyn Company
- Logistics Management Institute
- Lonesome Pine Hospital
- Long Beach Area Convention and Visitors Bureau-Fairfax
- Long Beach Area Convention and Visitors Bureau-Woodbridge
- Loudon County CBV
- Louisa County
- LRG, Inc.
- LTD Management Company, Inc.
- Lucid Consulting Group
- Lucy Corr Village
- Lunenburg County Community Health Center
- Lynchburg Courtyard by Marriott, VA
- Lynn Leadership Group
- M.H. West and Company Inc.
- Mac Aerospace Corporation
- MAG-LEV Transit International, Inc.
- Main Street Mortgage and Investment Corporation
- Major League Baseball Players Alumni
- Management Support Technology Inc.
- Manufactured Housing Institute
- Marian Manor
- Marine Spill Response Corporation
- Markel Corporation
- Marketing General Inc
- Marriott International, Inc.
- Marriott Residence Inn, Norfolk
- Marriott Residence Inn, Williamsburg
- Marshall Murdaugh Marketing
- Mary Kay
- Mary Washington Hospital
- Matinair, Inc.
- Matrix Group International Inc.
- Maximus
- Mazda North American Operations
- MBM Marketing
- McCandlish Holton, PC
- McGuire Woods LLP
- McKinney and Company
- McNeil Technologies
- Meadows at Salem Run
- Meals on Wheels Association of America
- MeDRA MSSO
- Memphis Convention and Visitors Bureau
- Mercer Human Resource Consulting
- Meridian One Corporation