| Retreat Houses in Friendsville, MD (5) | Churches in Friendsville, MD (4) |
| Beauty Salons in Friendsville, MD (3) | Grocery - Retail in Friendsville, MD (2) |
| Hotels & Motels in Friendsville, MD (2) | Masonry And Stonework in Friendsville, MD (2) |
| Schools in Friendsville, MD (2) | Service Stations - Gasoline & Oil in Friendsville, MD (2) |
| Advertising - Direct Mail in Friendsville, MD (1) | Air Conditioning Contractors & Systems in Friendsville, MD (1) |
| Apartments in Friendsville, MD (1) | Associations in Friendsville, MD (1) |
| Automobile Dealers - Used Cars in Friendsville, MD (1) | Automobile Repairing & Service in Friendsville, MD (1) |
| Automobile Seatcovers Tops & Upholstery in Friendsville, MD (1) | Automotive Repair & Service in Friendsville, MD (1) |
| Banks in Friendsville, MD (1) | Beauty Shop in Friendsville, MD (1) |
| Boats - Manufacturers in Friendsville, MD (1) | Building Contractors in Friendsville, MD (1) |
| Business Construction Services in Friendsville, MD (1) | Camps in Friendsville, MD (1) |
| Cattle Ranching in Friendsville, MD (1) | Civic Social Association in Friendsville, MD (1) |
| Club And Bar in Friendsville, MD (1) | Coffee Shops in Friendsville, MD (1) |
| Commercial Lithographic Printing in Friendsville, MD (1) | Commercial Photography Motion Picture Services in Friendsville, MD (1) |
| Communication Equipment & Telephone Installation Servic in Friendsville, MD (1) | Computers - System Designers & Consultants in Friendsville, MD (1) |
| Construction Consulting & Engineering Services in Friendsville, MD (1) | Craft Supplies in Friendsville, MD (1) |
| Electrical Contractor in Friendsville, MD (1) | Engineering Consultant & Whol Audio Sound Systems in Friendsville, MD (1) |
| Fire Departments in Friendsville, MD (1) | Funeral Home in Friendsville, MD (1) |
| Garbage Collection in Friendsville, MD (1) | General Contractor in Friendsville, MD (1) |
| General Crop Farm in Friendsville, MD (1) | Gift Shops in Friendsville, MD (1) |
| Graphic Designers in Friendsville, MD (1) | Health & Diet Foods - Retail in Friendsville, MD (1) |
| Health Food Products - Wholesale in Friendsville, MD (1) | Home Contractor in Friendsville, MD (1) |
| House Construction Contractors in Friendsville, MD (1) | Installs Floor Coverings in Friendsville, MD (1) |
| Insurance in Friendsville, MD (1) | Janitor Service in Friendsville, MD (1) |
| Libraries - Public in Friendsville, MD (1) | Liquors - Retail in Friendsville, MD (1) |
| Logging Companies in Friendsville, MD (1) | Lottery Agents in Friendsville, MD (1) |
| Lumber - Retail in Friendsville, MD (1) | Lumber - Wholesale in Friendsville, MD (1) |
| Machine Shops in Friendsville, MD (1) | Massage Therapists in Friendsville, MD (1) |
| Meat - Retail in Friendsville, MD (1) | Minerals Earths - Ground Or Treated (Mfrs) in Friendsville, MD (1) |
| Mobile Home Site Operator in Friendsville, MD (1) | Music & Live Entertainment in Friendsville, MD (1) |
| New House Construction Contractor in Friendsville, MD (1) | Paving Contractors in Friendsville, MD (1) |
| Pharmacies in Friendsville, MD (1) | Physicians & Surgeons in Friendsville, MD (1) |
| Post Offices in Friendsville, MD (1) | Rafts - Dealers in Friendsville, MD (1) |
| Senior Citizens Service Organizations in Friendsville, MD (1) | Signs & Advertising in Friendsville, MD (1) |
| Sporting Goods - Retail in Friendsville, MD (1) | Telecommunication Equip Syst - Whol Mfrs in Friendsville, MD (1) |
| Tourist Information in Friendsville, MD (1) | Trade Contractor in Friendsville, MD (1) |
| Truck Leasing in Friendsville, MD (1) | Trucking - Heavy Hauling in Friendsville, MD (1) |
| Trucking Hauling Contractor in Friendsville, MD (1) | Used Merchandise in Friendsville, MD (1) |
| Video Tapes & Discs - Renting & Leasing in Friendsville, MD (1) | Water Supply Service in Friendsville, MD (1) |
| Water Well Drilling & Service in Friendsville, MD (1) | Weight Control Services in Friendsville, MD (1) |
| Whol Construction Materials in Friendsville, MD (1) | Windshield Wipers in Friendsville, MD (1) |
