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Invitations to tender
Classification by lines of business. |
| Aeronautics | Agriculture, breeding, forestry and fishing |
| Food Processing | Furniture |
| Architecture and Town planning | Insurance and bank |
| Building and Civil engineering | Chemistry, petrochemistry, energy and petroleum services |
| Industrial Equipments, Tools and Spare Parts | Catering, Hotel Business, Equipments for Local Authorities and City equipment |
| Studies, Consulting, Training and Certification | Hydraulics and Environment |
| Property | Printing, Publication and Communications |
| Cellulose, Paper and Packaging Industries | Electrical and Electrotechnical Industries |
| Manufacturing Industries | Metallurgy, steel and mechanical industries |
| Computing and office automation | Medicals and Paramedicals |
| Mine, Cement Industry, Aggregate and Granular | Pharmaceuticals |
| Harbour and Aeroport | Security and Safety |
| Services | Sports and Leisure Activities |
| Scientific Equipments and Laboratory Instruments | Telecommunications |
| Transporation | Public Works |
| Electronic industries and audiovisual equipments | Others |
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