Pennsylvania
| Company | Category | Area | Address | Web | Contact person | |
| MAHONING-COOPER ELEMENTARY | Schools | Pennsylvania | 1605 BLOOM RD, DANVILLE, Montour, Pennsylvania, 17821-8506, USA | - | - | Bobbie Latsha |
| MAHOO CORP | Wholesale Clubs | Pennsylvania | 35 E CHELTEN AVE, PHILADELPHIA, Philadelphia, Pennsylvania, 19144-2174, USA | - | - | Ghulem Rasul |
| MAHR REALTY | Real Estate | Pennsylvania | 2242 SANATOGA STATION RD # 3, POTTSTOWN, Montgomery, Pennsylvania, 19464-3238, USA | - | - | Irving O Mahr Jr |