| Company | Category | Area | Address | Web | Contact person | |
| WINDSOR CASTLE GARAGE | Automobile Inspection Stations | Pennsylvania | 1301 WINDSOR CASTLE RD, HAMBURG, Berks, Pennsylvania, 19526-8422, USA | - | - | Harold E Faust |
| WINDSOR CASTLE HOTEL | Hotels & Motels | Pennsylvania | 1300 WINDSOR CASTLE RD, HAMBURG, Berks, Pennsylvania, 19526-8460, USA | - | - | James Bewley |
| WINDSOR CASTLE PET FOODS | Mfg Dog & Cat Food | Michigan | 20643 STEPHENS ST, ST CLR SHORES, Macomb, Michigan, 48080-1047, USA | - | - | BERNIE POLEN |
