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| Automobile Body - Repairing & Painting in Wilmington, CA (18) | Barbers in Wilmington, CA (14) |
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| Glass - Auto Plate & Window & Etc in Wilmington, CA (13) | Insurance in Wilmington, CA (13) |
| Travel Agency Transportation in Wilmington, CA (13) | Women's Apparel - Retail in Wilmington, CA (13) |
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| Service Stations - Gasoline & Oil in Wilmington, CA (11) | Tax Return Preparation & Filing in Wilmington, CA (11) |
| Automobile Parts & Supplies - Retail - New in Wilmington, CA (10) | Automobile Wrecking (Wholesale) in Wilmington, CA (10) |
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| Automobile Smog Brake - Inspection in Wilmington, CA (7) | Cabinet Makers in Wilmington, CA (7) |
| Check Cashing Service in Wilmington, CA (7) | Chiropractors in Wilmington, CA (7) |
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| Clinics in Wilmington, CA (6) | Credit Unions in Wilmington, CA (6) |
| Electric Contractors in Wilmington, CA (6) | Importers in Wilmington, CA (6) |
| Local Trucking - With Storage General Warehouse Storage in Wilmington, CA (6) | Manicure & Nail Salons in Wilmington, CA (6) |
| Marina Operation in Wilmington, CA (6) | Seafood - Wholesale in Wilmington, CA (6) |
| Truck - Repairing & Service in Wilmington, CA (6) | Trucking & Road Constructon Contractor in Wilmington, CA (6) |
| Whol Transportation Equipment Whol Durable Goods Repair in Wilmington, CA (6) | Artificial Flowers & Plants & Trees in Wilmington, CA (5) |
| Automobile Parts & Supplies in Wilmington, CA (5) | Boat Repairing in Wilmington, CA (5) |
| Freight - Forwarding in Wilmington, CA (5) | Furniture - Dealers in Wilmington, CA (5) |
| Granite (Wholesale) in Wilmington, CA (5) | Meat - Retail in Wilmington, CA (5) |
| Men's Clothing & Furnishings - Retail in Wilmington, CA (5) | Oil & Gas Producers in Wilmington, CA (5) |
| Ornamental Metal Work (Manufacturers) in Wilmington, CA (5) | Party Supplies in Wilmington, CA (5) |
| Pharmacies in Wilmington, CA (5) | Plumbing Contractors & Plumbers in Wilmington, CA (5) |
| Scrap Metals & Iron (Wholesale) in Wilmington, CA (5) | Ship Chandlers (Wholesale) in Wilmington, CA (5) |
| Transportation Services in Wilmington, CA (5) | Trucking, Except Local in Wilmington, CA (5) |
| Video Tapes Discs & Cassettes in Wilmington, CA (5) | Water Companies - Bottled, Bulk, Etc in Wilmington, CA (5) |
| Wholesale Auto Parts in Wilmington, CA (5) | Automobile Dealers - New Cars in Wilmington, CA (4) |
| Banks in Wilmington, CA (4) | Bars in Wilmington, CA (4) |
| Boat Transporting in Wilmington, CA (4) | Boats - Manufacturers in Wilmington, CA (4) |
| Building Contractors in Wilmington, CA (4) | Elementary Secondary School in Wilmington, CA (4) |
| Exporters in Wilmington, CA (4) | Florists - Retail in Wilmington, CA (4) |
| Freight - Consolidating in Wilmington, CA (4) | General Warehouse Storage in Wilmington, CA (4) |
| Generators - Electric (Wholesale) in Wilmington, CA (4) | Gifts Shop in Wilmington, CA (4) |
| Heating Contractors in Wilmington, CA (4) | Insurance Agent Broker in Wilmington, CA (4) |
| Laundries - Self Service in Wilmington, CA (4) | Lawn & Grounds Maintenance in Wilmington, CA (4) |
| Local Trucking Operator in Wilmington, CA (4) | Marine Cargo Handler in Wilmington, CA (4) |
| Night Clubs in Wilmington, CA (4) | Oil Recycling & Collection & Disposal Of Hazardous Oil in Wilmington, CA (4) |
