- Bakeries, Suitland
- Banks, Suitland
- Baptist Churches, Suitland
- Barbers, Suitland
- Beach & Water Related Services, Suitland
- Beauty Salons, Suitland
- Beverage & Juice Bottlers Manufacturers, Suitland
- Beverage Non-Alcoholic Manufacturers, Suitland
- Beverage Stores, Suitland
- Biological Products & Supplies, Suitland
- Biological Research, Suitland - Biological Labs
- Birth Control & Family Planning Clinics, Suitland
- Board Of Education, Suitland
- Boating & Swimming Clubs, Suitland
- Books, Magazines & Newspapers Stores, Suitland - Bookstores
- Bottling Manufacturing, Suitland
- Bowling Centers, Suitland
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- Brick Masonry & Bricklayer Contractors, Suitland - Brick Mason - Install & Repair
- Builders & Contractors, Suitland
- Builders & Contractors - More, Suitland
- Building & Home Inspection, Suitland - Real Estate, Building, Land & House Inspection Service
- Building Construction Consultants, Suitland - Construction Management & Consulting
- Building Design & Construction Consultants, Suitland
- Building Materials & Supplies, Suitland
- Burglar Alarm Systems, Suitland
- Bus Rental & Charter Bus Service, Suitland
- Business & Professional Associations, Suitland
- Business & Trade Organizations, Suitland
- Business Insurance, Suitland
- Business Legal Services, Suitland
- Business Management Consultants, Suitland
- Business Services, Suitland
- Business, Vocational & Technical, Suitland
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