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- The Diamond Ring Company
- The Diamond Store
- The Digital Copy Warehouse
- The Diner
- The Diplomatic Courier
- The Dirty Phone Book
- The Dish Factory
- The Distillery Network
- The Distributors
- The District at Forestville
- The District Of Columbia Department Of Employment Services
- The Dive Shop
- The Doctor Job
- The Document Institute
- The Dog Hotel Of Randwick
- The Dog Merchants
- The DoK Dentist of Keller
- The Doll House
- The Dolphins Shop Online
- The Domaine Apartments / Inland Residential Real Estate Services
- The Don Hamrick Drum Center
- The Doorstep Chef
- The Dormer Group
- The Dow Chemical
- The Drain Surgeon
- The Drake Partnership
- The Dress Outlet
- The Dressing Room
- The Driscoll Firm, P.C.
- The Drop
- The Dubin Group
- The Dublin Pass
- The Duchossois Group
- The Dump
- The Earphone Guy
- The Eastside Montessori School
- The eBike Store
- The Echoes
- The ECO Group Inc.
- The Economic Times
- The Edge Fitness Clubs
- The Edgewater Hotel
- The Edinburgh
- The Eft Group
- The Egg And I
- The Electronics Shop
- The Elegant Office
- The Elegant Paw
- The Elliott Companies
- The Ellis Hotel
- The Embassy of Bangladesh in Washington, DC
- The Emerald Princess
- The Emerald Restaurant
- The Emerging Insurance Agency
- The Enchanted Florist
- The Enclave Silver Spring Apartments
- The Energy Savings Advice Centre
- The Engineer Guy
- The Ensign Group
- The Episcopal School Of Dallas
- The Epoch Times
- The Epoxy Resin Store
- The Essential Oil Company
- The Eternal Artist Music Studio
- The Everett Clinic
- The Everything Man
- The Excelsior Hotel
- The Executive Business and Computational Institute
- The Exeter
- The Expert Institute
- The Expo Pros
- The Express Guy
- The Extraordinary Chris
- The Fabric Hut Of Hickory
- The Falls Round Rock Apartments
- The Famez
- The Family Academy
- The Family Doctor
- The Family Handyman
- The Family Jeweler
- The Family Puppy
- The Fan Bau5
- The Fargo Service
- The Fashion Bin
- The Fashion Center: Lord Taylor Store
- The Feather Emporium
- The Federal Bar
- The Federal Savings Bank
- The Federal Trust
- The Fenestra at Rockville Town Square
