- Bakeries, Harwich
- Banks, Harwich
- Baseball & Softball Batting Ranges, Harwich
- Beauty Salons, Harwich
- Bedroom Furniture Stores, Harwich - Master & Kids Bedroom Furniture Sets & Beds
- Beverage Stores, Harwich
- Bible Church, Harwich
- Bicycle Rentals, Harwich - Bike Rental
- Bicycle Repair & Service, Harwich - Bike Repair Shops
- Billing Services, Harwich
- Boat & Sailboat Equipment & Supplies Repair & Service, Harwich
- Boat & Yacht Charters, Harwich
- Boat Fishing Charters & Tours, Harwich
- Boat Services, Harwich
- Boat Storage , Harwich - Equipment & Services
- Boat, Yacht & Sail Boat Transport, Harwich
- Bookkeeping Services Licensed, Harwich
- Bookkeeping Systems & Services, Harwich
|
- Breakfast Restaurants, Harwich
- Brick Masonry & Bricklayer Contractors, Harwich - Brick Mason - Install & Repair
- Bricks, Blocks & Stone Products, Harwich - Companies, Wholesale, Manufacturers & Suppliers
- Brooms & Brushes Manufacturers, Harwich
- Builders & Contractors, Harwich
- Builders & Contractors - More, Harwich
- Builders Hardware Stores, Harwich
- Building & House Movers & Raising Contractors, Harwich
- Building Cleaning - Exterior, Harwich - Cleaning Service
- Building Construction Consultants, Harwich - Construction Management & Consulting
- Building Materials, Harwich - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, Harwich
- Bulkhead Products, Harwich
- Bus Rental & Charter Bus Service, Harwich
- Business Legal Services, Harwich
- Business Management Consultants, Harwich
- Business Services, Harwich
- Business, Vocational & Technical, Harwich
|
