| Churches in Clark Fork, ID (5) | Restaurants in Clark Fork, ID (3) |
| General Contractors in Clark Fork, ID (2) | Grocery - Retail in Clark Fork, ID (2) |
| Guide Service in Clark Fork, ID (2) | Schools in Clark Fork, ID (2) |
| Storage - Household & Commercial in Clark Fork, ID (2) | Accounting & Bookkeeping in Clark Fork, ID (1) |
| Ambulance Service in Clark Fork, ID (1) | Archery Equipment & Supplies in Clark Fork, ID (1) |
| Automobile Repairing & Service in Clark Fork, ID (1) | Automotive Repair & Service in Clark Fork, ID (1) |
| Bars in Clark Fork, ID (1) | Bed & Breakfast Accommodations in Clark Fork, ID (1) |
| Bible Schools & Study in Clark Fork, ID (1) | Bicycles - Dealers in Clark Fork, ID (1) |
| Blankets Retail in Clark Fork, ID (1) | Boating Instruction in Clark Fork, ID (1) |
| Campgrounds in Clark Fork, ID (1) | Chiropractors in Clark Fork, ID (1) |
| City Government - Executive Offices in Clark Fork, ID (1) | Commercial Art Graphic Design in Clark Fork, ID (1) |
| Concrete Contractor in Clark Fork, ID (1) | Concrete Contractors in Clark Fork, ID (1) |
| Drilling & Boring Contractors in Clark Fork, ID (1) | Electric Contractors in Clark Fork, ID (1) |
| Excavating Contractors in Clark Fork, ID (1) | Feed - Dealers (Wholesale) in Clark Fork, ID (1) |
| Fencing Contractors in Clark Fork, ID (1) | Fiber Glass - Repairing in Clark Fork, ID (1) |
| Fire Departments in Clark Fork, ID (1) | Fish Farms in Clark Fork, ID (1) |
| Fish Hatchery Preserve in Clark Fork, ID (1) | Floor Laying Refinishing & Resurfacing in Clark Fork, ID (1) |
| Foods in Clark Fork, ID (1) | General Construction in Clark Fork, ID (1) |
| Government Offices - State in Clark Fork, ID (1) | Guest Ranches in Clark Fork, ID (1) |
| Hardware - Retail in Clark Fork, ID (1) | Hotels & Motels in Clark Fork, ID (1) |
| Industrial Measuring Cntrl Instr (Mfrs) in Clark Fork, ID (1) | Insurance Agent Broker in Clark Fork, ID (1) |
| Lamp Shades - Wholesale in Clark Fork, ID (1) | Libraries - Public in Clark Fork, ID (1) |
| Liquors - Retail in Clark Fork, ID (1) | Livestock Producers in Clark Fork, ID (1) |
| Local Passenger Transportation Insurance Agent Broker in Clark Fork, ID (1) | Logging Contractor & Broker in Clark Fork, ID (1) |
| Masonry Contractors in Clark Fork, ID (1) | Mfg Hardware Mfg Heating Equipment - Nonelectric Whol Hom in Clark Fork, ID (1) |
| Motorcycles & Motor Scooters - Mfrs in Clark Fork, ID (1) | Post Offices in Clark Fork, ID (1) |
| Railroads in Clark Fork, ID (1) | Real Estate in Clark Fork, ID (1) |
| Religious Organization in Clark Fork, ID (1) | Remodeling & Repairing Contractors in Clark Fork, ID (1) |
| Resorts in Clark Fork, ID (1) | Road Oiling in Clark Fork, ID (1) |
| Senior Citizens Service Organizations in Clark Fork, ID (1) | Service Stations - Gasoline & Oil in Clark Fork, ID (1) |
| Sewing Contractors in Clark Fork, ID (1) | Stables in Clark Fork, ID (1) |
| State Government - Conservation Depts in Clark Fork, ID (1) | State Government - Transportation Programs in Clark Fork, ID (1) |
| Surveyors - Land in Clark Fork, ID (1) | Tack & Board Horses in Clark Fork, ID (1) |
| Tax Return Preparation Services in Clark Fork, ID (1) | Taxidermists in Clark Fork, ID (1) |
| Tile & Grout Cleaning & Restoration in Clark Fork, ID (1) | Timber & Timberland Companies (Whol) in Clark Fork, ID (1) |
| Transportation in Clark Fork, ID (1) | Trucking - Contract Hauling in Clark Fork, ID (1) |
| Variety Store in Clark Fork, ID (1) | Whol Nondurable Goods Commercial Art Graphic Design in Clark Fork, ID (1) |
| Wholesalers in Clark Fork, ID (1) |
