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| Physicians Office in Donora, PA (2) | Pizza in Donora, PA (2) |
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| Accountants in Donora, PA (1) | Alternators & Generators - Automotive in Donora, PA (1) |
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| Employment Agencies & Opportunities in Donora, PA (1) | Engineer Furnish & Install Telecommunications in Donora, PA (1) |
| Family Restaurant Diners in Donora, PA (1) | Foods - Carry Out in Donora, PA (1) |
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| Gas - Ind & Medical - Cylinder & Bulk - Mfrs in Donora, PA (1) | Gift Shops in Donora, PA (1) |
| Glass - Auto Plate & Window & Etc in Donora, PA (1) | Government Offices - County in Donora, PA (1) |
| Halls & Auditoriums in Donora, PA (1) | Health & Diet Foods - Retail in Donora, PA (1) |
| Heating Equipment - Manufacturers in Donora, PA (1) | Hotels & Motels in Donora, PA (1) |
| Human Services Organizations in Donora, PA (1) | Ice Cream Parlors in Donora, PA (1) |
| Inflatable Equipment Rental in Donora, PA (1) | Insurance Agent Broker in Donora, PA (1) |
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| Machine Shops in Donora, PA (1) | Mental Retardation Services in Donora, PA (1) |
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