| Field Crop Farm in Mount Vernon, OR (6) | Cattle Ranching in Mount Vernon, OR (5) |
| Trucking Hauling Contractor in Mount Vernon, OR (3) | Forestry Services in Mount Vernon, OR (2) |
| General Animal Farm in Mount Vernon, OR (2) | Logging Contractor in Mount Vernon, OR (2) |
| New House Construction Contractor in Mount Vernon, OR (2) | Animal Services in Mount Vernon, OR (1) |
| Automotive Repair & Service in Mount Vernon, OR (1) | Bars in Mount Vernon, OR (1) |
| Business Construction Services in Mount Vernon, OR (1) | Cable Pay Television Service in Mount Vernon, OR (1) |
| Carwash in Mount Vernon, OR (1) | Cattle Feedlot in Mount Vernon, OR (1) |
| Contractor Water & Sewer in Mount Vernon, OR (1) | Data Communication Service in Mount Vernon, OR (1) |
| Electrical Contractor in Mount Vernon, OR (1) | Elementary Secondary School in Mount Vernon, OR (1) |
| Environmental Excavating Contractor in Mount Vernon, OR (1) | Fashion Designers in Mount Vernon, OR (1) |
| Fast Food Diner Restaurant in Mount Vernon, OR (1) | Fencing Contractors in Mount Vernon, OR (1) |
| Fire Protection in Mount Vernon, OR (1) | Forestry Services in Mount Vernon, OR (1) |
| Furniture - Childrens in Mount Vernon, OR (1) | Gasoline Station Construction Service in Mount Vernon, OR (1) |
| General Auto Repair in Mount Vernon, OR (1) | Grocery Store in Mount Vernon, OR (1) |
| Health & Diet Foods - Retail in Mount Vernon, OR (1) | Heavy Construction in Mount Vernon, OR (1) |
| Heavy Construction Engineering Services in Mount Vernon, OR (1) | Hotels & Motels in Mount Vernon, OR (1) |
| House Construction Contractors in Mount Vernon, OR (1) | Inflatable Equipment Rental in Mount Vernon, OR (1) |
| Job Training Related Services in Mount Vernon, OR (1) | Legal Services in Mount Vernon, OR (1) |
| Logging Contractor & Broker in Mount Vernon, OR (1) | Membership Organization in Mount Vernon, OR (1) |
| Membership Organization Animal Services in Mount Vernon, OR (1) | Membership Sport Recreation Club in Mount Vernon, OR (1) |
| Mfg Millwork in Mount Vernon, OR (1) | Oil Gas Field Services in Mount Vernon, OR (1) |
| Photo Portrait Studio in Mount Vernon, OR (1) | Ranch in Mount Vernon, OR (1) |
| Religious Organization in Mount Vernon, OR (1) | Repair Services in Mount Vernon, OR (1) |
| Retreat Houses in Mount Vernon, OR (1) | State Government - Executive Offices in Mount Vernon, OR (1) |
| Surveyors & Pavement Marking Contractor in Mount Vernon, OR (1) | Trade Contractor in Mount Vernon, OR (1) |
| Trade Contractor in Mount Vernon, OR (1) | Trucking Operator - Nonlocal in Mount Vernon, OR (1) |
| Venetian Blinds - Cleaning in Mount Vernon, OR (1) |
