| Material Parts Specialist |
1 |
Ministry of Trade, Industry and Energy |
| Electrical Work |
1 |
Gyeongsangbuk-Do |
| Information and Communication Public Works |
1 |
Gyeongsangbuk-Do |
| Firefighting Construction Business (Electricity) |
1 |
Gyeongsangbuk-Do |
| Energy Saving Company |
1 |
Korea Energy Corporation |
| Professional Construction Industry |
1 |
Chilgok-Gun, Gyeongsangbuk-Do |
| Outdoor Advertising |
1 |
Chilgok-Gun, Gyeongsangbuk-Do |
| Mail-Order Business |
1 |
Chilgok-Gun, Gyeongsangbuk-Do |