Local companies with publicly traded stock:

If you're interested in local companies whose stock you can buy, here's a list, with their stock symbols.

Symbol Company Name
AES Aes Corp
AOL Time Warner Inc.
ALLC Alliance Towers Inc
ACAS American Capital Strategies
AMSY American Management Sys Inc
ACAI Atlantic Coast Airlines Inc
COF Capital One Financial Corporation
CRE Carramerica Rlty Corp
CHH Choice Hotels Intl Inc
CORV Corvis Corp
CVH Coventry Health Care Inc
CMM Criimi Mae Inc
DHR Danaher Corporation
DRTK Duratek Inc
FNM Fannie Mae
FRT Federal Realty Investment Trust
FRE Freddie Mac
FBR Friedman Billings Ramsey Group
CG Loews Corp - Carolina Group
CLI Mack Cali Rlty Corp
ALR Merril Lynch & Co Inc
BFS Saul Centers, Inc.
FA The Fairchild Corporation
GCI Gannett Co., Inc.
GD General Dynamics Corporation
GRA Grace W R & Co Del New
GSOF Group 1 Software Inc New
GTSI Gtsi Corp
HGR Hanger Orthopedic Group Inc.
HAR Harman International Industries, Incorporated
HMT Host Marriott Corp New
HGSI Human Genome Sciences Inc
LAF Lafarge Corporation
LHO Lasalle Hotel Pptys
LCCI LCC International Inc Cl A
LMT Lockheed Martin Corporation (Holding Company)
MANU Manugistics Group
MAR Marriott Intl Inc New
MMS Maximus Inc
MEDI MedImmune Inc
MHX Meristar Hospitality Corp
MSTR Microstrategy Inc
MME Mid Atlantic Medical Services, Inc.
MLS The Mills Corporation
OFC Corporate Office Pptys Tr
PLUS Eplus Inc
NXTL Nextel Communications Inc Cl A
OAOT Oao Technology Solutions Inc
OPNT Opnet Technologies Inc
PECS Pec Solutions Inc
POM Pepco Holdings Inc
RIGS Riggs National Corp
ROW Rowe Furniture Corporation
SVVS Savvis Communications Corp
SLM Slm Corp
SPAB SPACEHAB Incorporated
STGC Startec Global Communication
STRA Strayer Education Inc
TALK Talk America Hldgs Inc
TSYS Telecommunication Sys Inc
RYL The Ryland Group, Inc.
TWP Trex Inc
USU Usec Inc
VAST Vastera Inc
WPO The Washington Post Company
VSTY Varsity Group Inc
VNWI Via Net Wrks Inc
VNWK Visual Networks Inc
VSEC VSE Corporation
WHI W Hldg Co Inc
WRE Washington Real Estate Investment Trust
WW Watson Wyatt & Co Hldgs
WEBM Webmethods Inc
WGL Wgl Hldgs Inc
WLDA World Airways Inc