| Business | Phone |
| Altemeier Mechanical 3845 Socialville Foster Rd, Mason 45040 | (513) 754-1800 |
| Apollo Electric Co 322 W Main St, Mason 45040 | (513) 398-3282 |
| E Si Inc Electrical Contrs 616 Reading Rd, Mason 45040 | (513) 770-5531 |
| General Electric Cit 4800 Parkway Dr, Mason 45040 | (513) 754-0152 |
| General Electric Consumer Fnnc 5300 Kings Island Dr, Mason 45040 | (513) 336-6127 |
| Holzmacher Electric 3834 State Route 741, Mason 45040 | (513) 339-9870 |
| Schuyler Electric Co 392 Cloverwood Dr, Mason 45040 | (513) 398-7936 |