- Warehousing & Storage, Londonderry - Warehouse Services
- Washing Machine & Dryer Repair & Service, Londonderry
- Waste & Refuse Services & Sites, Londonderry
- Waste Disposal, Garbage, Trash & Rubbish Removal Contractors Equipment, Londonderry
- Waste Management, Waste Sanitation & Safety Equipment, Londonderry
- Waste Water Treatment, Londonderry
- Watch, Clock & Jewelry Repair, Londonderry
- Water & Sewage Utility, Londonderry
- Water Coolers & Water Companies - Bottled & Bulk, Londonderry
- Water Filters & Purification Systems, Equipment & Supplies, Londonderry - Water Filtration Systems Companies
- Water Works Contractors Equipment & Supplies, Londonderry
- Weapons Guns & Knives, Londonderry
- Website Design, Management & Maintenance Services, Londonderry
|
- Wedding & Bridal Services, Londonderry
- Wedding Supplies & Bridal Shops, Londonderry
- Welding & Welder, Londonderry - Welding Supplies, Machines, Equipment, Services & Contractors
- Well Drilling Consultants, Londonderry
- Well Drilling Contractors, Londonderry
- Wigs, Toupees & Hair Products Stores, Londonderry
- Will And Trust Attorneys & Lawyers, Londonderry
- Window Blinds, Shades & Window Treatments and Coverings, Londonderry - Roller & Roman Shades - Wood, Metal & Vertical Blinds
- Windows, Londonderry - Single & Double Hung, Casement, Sliding, Glass Block, Basement Windows & More
- Windows and Doors, Londonderry - Wholesale, Manufacturers & Suppliers
- Wine Manufacturers, Londonderry
- Wireless & Cellular Communications Equipment & Supplies, Londonderry
- Woodworking Contractors, Londonderry - Carpentry Contractors
|
