IPIP IPIP (also known as the Engineering and Design Institute for Oil Refineries and Petrochemical Plants) is an engineering and design company focusing on petroleum, hydrocarbon processing, petrochemical, and related industries. | ![]() Hampa Engineering Corporation Hampa Engineering Corporation is a company that provides project management, engineering, feasibility study, tendering, procurement, construction, pre-commissioning, commissioning, and start-up services. | DORIS group DORIS group is a company that provides engineering services to the oil and gas and renewables markets. | ![]() Sofregaz Sofregaz is a company providing engineering and design consultancy services to the oil and gas industry. | SICIM SICIM is a company specializing in engineering, procurement, and construction in the oil and gas sector. | |
Founding Date | Founding Date 1950 | Founding Date 1994 | Founding Date 1965 | Founding Date 1959 | Founding Date 1962 |
Type | Type Subsidiary | Type Private | Type Private | Type Private | Type Private |
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Locations | Locations Ploiesti, RO HQ | Locations Tehran, IR HQ | Locations Puteaux, FR HQ | ||
Employees | Employees 1661% decrease | Employees 71 | Employees 192 | Employees 1241% increase | Employees 3,0281% increase |

Hampa Engineering Corporation is a company that provides project management, engineering, feasibility study, tendering, procurement, construction, pre-commissioning, commissioning, and start-up services.
View companyDORIS group is a company that provides engineering services to the oil and gas and renewables markets.
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Sofregaz is a company providing engineering and design consultancy services to the oil and gas industry.
View companySICIM is a company specializing in engineering, procurement, and construction in the oil and gas sector.
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