| Accokeek Foundation | |
| The Alexandria Convention & Visitors Association | |
| Annapolis & Anne Arundel County CVB | |
| Arena Stage | |
| Arlington Convention and Visitors Service | |
| Baltimore Area Convention & Visitors Association | |
| The Bernstein Companies Hotel Division | |
| BWI Airport Comfort Inn, Sleep Inn & Suites, The Rose Restaurant | |
| Carroll County Tourism | |
| City of Bowie, Maryland | |
| Colony South Hotel and Conference Center | |
| Comfort Inn at Andrews Air Force Base | |
| Conference and Visitors Bureau of Montgomery County, MD, Inc. | |
| The Courtyard by Marriott Annapolis, MD | |
| DC By Foot Tour Company | |
| DoubleTree Hotel Annapolis | |
| Entertainment Cruises | |
| First Priority Trailways, Inc | |
| Fredericksburg Regional Tourism | |
| Garrett County Chamber of Commerce Deep Creek Lake Area | |
| Gaylord Hotels | |
| Geppi’s Entertainment Museum at Camden Yards | |
| Guide Service of Washington | |
| Hagerstown/Washington County CVB | |
| Hampton Inn & Suites Arundel Mills/BWI Hanover, MD | |
| Hard Rock Café Baltimore | |
| Hard Rock Café Washington, DC | |
| Harrison Group Resort Hotels & Restaurants | |
| Hess Hotels Group | |
| Hilton Garden Inn Kent Island | |
| Historic Woodlawn and Frank Lloyd Wright's Pope-Leighey House | |
| International Spy Museum | |
| Jamestown-Yorktown Foundation | |
| Jurys Doyle Hotel Group | |
| Library of Congress | |
| Loudoun Convention & Visitors Association | |
| Madame Tussauds Washington DC | |
| Marshall Hotels, Salisbury, MD | |
| Maryland Office of Tourism | |
| Maryland Science Center at Baltimore's Inner Harbor | |
| Mid Atlantic Receptive Services | |
| Mount Vernon: Estate & Gardens | |
| The National 4-H Youth Conference Center | |
| National Aquarium in Baltimore | |
| National Archives | |
| National Harbor | |
| National Museum of the Marine Corps | |
| New World | |
| Newseum | |
| Ocean City, MD Convention & Visitors Bureau | |
| Orange County Visitors Bureau | |
| Phillips Seafood Restaurants – Ocean City, MD | |
| Phillips Seafood Restaurants - Washington, DC | |
| Prince George's County CVB | |
| Prince William County/Manassas Convention and Visitors Bureau | |
| Prince William Tourism Association | |
| Radisson Hotel Largo / Washington, D.C. Area | |
| SharCon Hotels | |
| Sheraton National Hotel | |
| Smithsonian Business Ventures | |
| Spirit Cruises in Baltimore | |
| Toby's Dinner Theatre's | |
| Tourism Council of Frederick County, Maryland | |
| Tourmobile Sightseeing | |
| Union Station, DC | |
| Virginia Tourism Corporation | |
| Visit Fairfax | |
| Washington, DC Convention & Tourism Corporation | |
| Westmar Tours |