- Labor Organizations, Wheatland
- Land Surveyor, Wheatland - Land Surveying Services
- Laundry Self Service, Wheatland
- Lawn & Garden Chemicals, Insecticides & Fertilizers, Wheatland
- Lawn & Garden Equipment & Supplies, Wheatland
- Lawn & Garden Sprinkler Systems, Wheatland
- Lawyers & Attorneys, Wheatland
- Legal Professionals, Wheatland
- Libraries, Wheatland
- Life Insurance, Wheatland
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- Liquor Stores, Wheatland
- Livestock, Wheatland
- Livestock Feeding Service, Wheatland
- Loans Personal, Wheatland
- Lodging, Wheatland
- Lodging Services, Wheatland
- Long Haul Trucking Companies, Wheatland
- Lumber & Lumber Products, Wheatland
- Lumber & Lumber Products, Wheatland
- Lutheran Church, Wheatland
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