This is the list of federal government approved vendors that are authorized to honor the $40 dollar converter box coupon.  

ABC APPLIANCE, INC
ACME TV HOME & OFFICE
ADAMS ELECTRIC & PLUMBING
ADVANCE TV& ELECTRNICS
ADVANCED COMMUNICATIONS COMPANY
ALLSHOUSE APPLIANCE INC 
AMAZON.COM 
ANTENNA MAN LLP
ANTRONICS INC
ATLANTA ANTENNA INC
AUDIO VISUAL ASSOCIATES, INC.
AV CONCEPTS
BAILEY'S TV INC
BARTON'S INC
BEAMER TV & APPLIANCE, INC.
BENNET'S APPLIANCE CENTERS, INC.
BEST BUY CO., INC.
BIAGI COMPANY LLC
BILL'S RADIO & TV SERVICE
BROADBAND SOLUTIONS AND TESTING, INC
BRUCE'S ANTENNA SYSTEMS
BUETTNER ELECTRONICS, INC
CENTRAL TV, INC.
CEREBRAL CORTECH INC
CARLTON ELECTRONICS
CIRCUIT CITY
CHEEK'S SATELLITE REPAIR SERVICE
CLARK BROTHERS TV & APPLIANCE, INC
COLUMBUS TELEVISION CENTER INC.
COMPUTER RUN, INCORPORATED
CONNECTED TECHNOLOGIES INC.
COWBOY MALONEY APPLIANCE, AUDIO, VIDEO CENTERS, INC.
CREATIVE SOUND, INC.
CROWN ELECTRONICS & COMMUNICATION, INC.
CRUTCHFIELD CORP
CUSTOM COMMUNICATIONS & INSTALLATION
DAVIS ELECTRONIC SOLUTIONS LLC
DELUXE SATELLITE SYSTEMS
DREAMSPACE, LLC
EASTERN SATELLITE INC.
EKLUND'S APPLIANCE & TV INC
FITZGERALD INC
GARY ANTONIO
GEIS AUDIO/VIDEO, INC.
GEO. STEELE CO
GLEN FISHER
GNP AUDIO VIDEO, INC. 1
GREAT LAKES SOUND-N-SPEED, LLC
GREAT NORTHERN STEREO WAREHOUSE,INC
HANDY TV, INC 1
HANSON ELECTRONICS LTD
HARTS REPAIR SERVICE, LLC
HEPHNER TV & ELECTRONICS, INC
HERBY'S ELECTRONICS
HOMETOWN TV & APPLIANCE
INTELLI HOME SYSTEMS, LLC
INTERBOND CORPORATION OF AMERICA
JEFF BULES
JIMMELS AUDIO VIDEO CENTER
KAS SATELLITE & CABLE, INC.
KING APPLIANCE CENTER INC.
KMART
LARRY LAMBERT
LEISURE TIME ENTERPRISES, IINC
LINDLY TV & APPLIANCE INC
LITTEER ENTERPRISES INC
LONG'S ELECTRONICS,INC.
LOVE TV INC.
MCHURT VIDEOTECH INC
MEL'S TV AND APPLIANCE
MEMSEN MOBILE DIGITAL CORPORATION
MICHLEY ELECTRONICS INCORPORATION
MICROTEL SYSTEMS,INC
MIKE'S AUDIO, INC.
MINNESOTA ELECTRONICS, INC.
MY VIRTUAL ZONE
MYER-EMCO INC.
NEBRASKA FURNITURE MART INC.
NEWCAST, INC.
NIRAV CORPORATION
OASIS COMPUTERS
OGREN ELECTRONICS, INC.
PAUL BOECKMANN CO. INC.
RADIOSHACK
RANDY S MINK
RAY'S ELECTRIC, INC.
RC WILLEY HOME FURNISHINGS
REX RADIO & TELEVISION
ROBERTS ELECTRONICS INC
SAM'S CLUB
SATELLITE AV, LLC
SATELLITE COUNTRY INC
SEARS ROEBUCK & Co
SIGHT & SOUND OF S.A.
SKORY, INC.
STEVEN J. STRUCHEN
TARGET
TDB SERVICES
TELEVISION LABORATORY & COMMUNICATIONS INC.
THE HUSTON CORPORATION
THOMAS A GILOMEN
TIMBERVILLE ELECTRONICS, INC.
TRUE VALUE HARDWARE
VERN L. WENGER COMPANY
WAHOO TECHINC
WAL-MART
WALTERS TV, INC
WATERTOWN APPLIANCE & TV CENTER
WILLIAM A SIMONDS
YDI ELECTRONICS CORP
YMK ENTERPRISES INC