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Certifications:
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Engineering Circle runs an independent, online register of suppliers to the global Oil, Gas and Petrochemical sectors. We verify supplier experience and capabilities before adding them to our register and publishing their profile.
American Petroleum Institute (API)
American Society of Mechanical Engineers
European Standard (EN)
Other Standards:
National Association of Corrosion Engineers/International Standardization Organization
British Standards Institute
Experienced and certified valve suppliers and manufacturers from around the world with validated Oil, Gas and Petrochemical experience
Compressors, Blowers, Fans and Expander Suppliers
Prequalified compressors, blowers, fans, expander manufacturers and suppliers with oil, gas and petrochemical sector experience & certifications. CS, SS, FRP, horizontal...etc.
Driver Suppliers & Manufacturers
Prequalified driver manufacturers and suppliers with oil, gas and petrochemical sector experience & certifications.
Electrical Equipment And Materials
Prequalified electrical equipment and materials manufacturers and suppliers with oil, gas and petrochemical sector experience & certifications.
Equipment Rental, Hire and Lease
Prequalified equipment rental, hire and lease companies with oil, gas and petrochemical sector experience & certifications.Exploration, Drilling and Production Equipment
Exploration, Drilling and Production Equipment
Prequalified exploration, drilling and production equipment manufacturers and suppliers with oil, gas and petrochemical sector experience & certifications.
Exploration, Drilling and Production Services
Prequalified exploration, drilling and production service providers with experience & certifications.Exploration Drilling and Production Services
Surveying / Positioning Services
Filtration & Separation Suppliers
Health, Safety and Environmental
Prequalified health, safety and environmental manufacturers and suppliers with oil, gas and petrochemical sector experience & certifications.Safety, Protection and Fire Fighting Equipment
Personal Protective Equipment (PPE)
Experienced and certified Heat Exchanger manufacturers and suppliers from around the world. Shell & Tube, Hairpin, Plate, Air Cooled, WHRU... etc.
Heaters, Furnaces and Boiler Suppliers
Experienced and certified Heaters, Boilers and Combustion Equipment manufacturers and suppliers from around the world. ASME BPVC Sec 1...etc.
Instrumentation & Process Control
Prequalified Instrumentation and process control manufacturers and suppliers with oil, gas and petrochemical sector experience & certifications. CS, SS, FRP, horizontal...etc.
Instrumentation & Process Control Accessories
Process Control and Monitoring Equipment and Systems
Instrumentation & Process Control Equipment and Systems
Experienced and certified valve suppliers and manufacturers from around the world with validated Oil, Gas and Petrochemical experience
Prequalified marine & subsea equipment manufacturers and suppliers with oil, gas and petrochemical sector experience & certifications.
Prequalified materials (Raw / Bulk) manufacturers and suppliers with oil, gas and petrochemical sector experience & certifications.
Insulation / Refractory Materials
Mechanical Equipment and Packages
Prequalified mechanical equipment and packages manufacturers and suppliers with oil, gas and petrochemical sector experience & certifications.Material And Product Handling Equipment
Cooling / Heating / Ventilation / Air Conditioning Equipment
Engineering Circle is more than just an Oil and Gas directory, we manage an online oil and gas procurement platform.
Pipe, Tube, Fittings & Flange Suppliers
Pipe, Tube, Fitting & Flange manufacturers & suppliers with validated oil, gas and petrochemical industry experience and qualificationsPiping Materials (Gaskets…etc)
Prequalified Pressure Vessel manufacturers and suppliers with oil, gas and petrochemical sector experience & certifications. CS, SS, FRP, horizontal...etc.
Pump suppliers & pump manufacturers from around the globe, with oil, gas and petrochemical qualifications and experience
Service Providers (Contractors)
Prequalified Service Providers (Contractors) with oil, gas and petrochemical sector experience & certifications.Field Services (Onshore & Offshore)
Decommissioning and Abandonment Services
Service Providers (Professional)
Prequalified service providers (professional) with oil, gas and petrochemical sector experience & certifications.Research & Development Services (R & D)
Engineering, Procurement and Construction Services
Inspection and Testing Services
Service Providers (Supporting Services)
Prequalified service providers (supporting services) with oil, gas and petrochemical sector experience & certifications.Financial And Insurance Services
Specialty Piping Item Suppliers
Specialty Piping Items manufacturers & suppliers with validated oil, gas and petrochemical sector experience and qualifications
Storage Tank manufacturers & suppliers with validated energy industry experience and qualifications. Welded, Bolted, Concrete, Plastic, Spherical ...etc.
Transportation Equipment and Services
Prequalified transportation equipment suppliers and service providers with oil, gas and petrochemical sector experience & certifications.
General and Intermodal Transportation
Oil & Gas Rigs for Sale & Lease
Prequalified oil & gas rigs for sale & lease companies with experience & certifications.
Oil & Gas Vessels for Sale & Charter
Prequalified oil & gas vessels for sale & charter companies with experience & certifications.
Oil Field Equipment for Sale & Rent
Prequalified Oil Field Equipment for Sale & Rent