| Churches in Riddle, OR (5) | Schools in Riddle, OR (4) |
| House Construction Contractors in Riddle, OR (3) | Logging Processor in Riddle, OR (3) |
| Religious Organization in Riddle, OR (3) | Restaurants in Riddle, OR (3) |
| Automobile Repairing & Service in Riddle, OR (2) | Automotive Repair & Service in Riddle, OR (2) |
| Beauty Shop in Riddle, OR (2) | Cattle Feedlot in Riddle, OR (2) |
| City Govt - Regulation Adm - Comms Utilities in Riddle, OR (2) | Gifts Shop in Riddle, OR (2) |
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| National Commercial Bank in Riddle, OR (2) | Pharmacies in Riddle, OR (2) |
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| Apartments in Riddle, OR (1) | Apartments in Riddle, OR (1) |
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| Business Services in Riddle, OR (1) | City Government - Executive Offices in Riddle, OR (1) |
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| Electric Services Mfg Electrical Measuring Instruments in Riddle, OR (1) | Electrical Repair in Riddle, OR (1) |
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| Trade Contractor in Riddle, OR (1) | Truck - Transporting in Riddle, OR (1) |
