| 713 | HAZOP and SIL Studies for NHT, CCR, GHT1, ISOM Units of “Abadan Refinery Upgrading” Project | Oil Design and Construction Company (ODCC) | 2025 |
| 712 | HAZOP and SIL Studies for HDS Reactor Heater of RFCC unit of “Safahan Sohravardi Petrorefining” Project | Masnouat Felezi Sangin Company | 2025 |
| 711 | HAZID Study for EO, GE, EA and ETX Units of “Hamedan Ibn Sina Petrochemical” Project | Chagalesh Consulting Engineers Company | 2025 |
| 710 | HAZOP Study for Centrifugal Compressor of “Olefin Unit” Project of Hormuz Persian Gulf Petrochemical Complex | Namvaran Consulting Engineers (NCE) | 2025 |
| 709 | HAZOP Review and HAZID Study of “Persian Gulf Apadana Methanol” Project | Persian Gulf Apadana Petrochemical Company | 2025 |
| 708 | HAZOP and HAZID Studies of "Slops Tanks" Project of Tehran Oil Refinery | Mehrarad Energy Development Company | 2025 |
| 707 | MOC-HAZOP and HAZID Studies for Modification on 30 & 72 Units of “Debottlenecking of Steam Cracker and Optimization of Marun Petrochemical Olefin Unit” Project | Enerchimi Engineering Company | 2025 |
| 706 | HAZOP and SIL Studies for Condensate Water Treating Package of Tehran Oil Refinery Company | Absun Energy Company | 2025 |
| 705 | HAZOP and HAZID Studies for Heat Exchanger of “the Darquain Oil Field of Arvandan Oil and Gas Company” Project | Mehrarad Energy Development Company | 2025 |
| 704 | HAZOP and HAZID Studies for Crude Oil Pipeline of Yaran Oil Field Development Plan | Saeid Sanat Maroon Company | 2025 |
| 703 | HAZOP, HAZID, SIL and RAM Studies for Skid-Mounted Oil Processing Unit (BOO) of “Qaleh Nar Oil Field Development” Project | Petrogas Jahan Engineering Company | 2025 |
| 702 | HAZOP, HAZID, SIL, QRA and Consequence Modeling for “Two Floating Roof Storage Tanks with Ancillary Facilities” Project of Bandar Imam Petrochemical Complex | Boniz Sazeh Contracting Company | 2025 |
| 701 | HAZOP and SIL Studies for two IG Compressor and two Blower of “Tehran Oil Refinery” Project | Tajhiz Arg Parsian Company (TAPCO) | 2025 |
| 700 | HAZOP and HAZID Studies for “16 inch Gas Transmission Pipeline (IG6/NGL1500)” Project of Marun Petrochemical Complex | Tarh O Palayesh Engineering Company | 2025 |
| 699 | MOC-HAZOP Study for Caustic Transfer Line to Khouzestan Petrochemical Complex | Khouzestan Petrochemical Company | 2025 |
| 698 | QRA and Consequence Modeling Studies for Tangebijar Gas Compressor Station | Mavara Energy Pishro Company | 2025 |
| 697 | QRA Study for all Process Units of the Aftab Oil Refinery Complex | Aftab Oil Refining Company | 2025 |
| 696 | HAZOP, HAZID, SIL, QRA and Consequence Analysis Studies for Fahliyan and Ilam Wellheads and Relevant flowlines of “Sepehr-Jufair Field Development and production Operations” Project (FEED Phase) | Pars Consulting Engineering Group | 2025 |
| 695 | HAZOP and SIL Studies for Fired Heaters & Steam Generation Packages of "the Propane Dehydration (PDH)" Project of Pars Petrochemical Company | Panah Sanat Part Company | 2025 |
| 694 | HAZOP and SIL Studies for VDU and BBU Projects of Mokran Petro-Refinery Company | Mehraz Petro Farayand Consuling Engineers | 2025 |
| 693 | HAZOP and SIL Studies for Hot Oil and Flare Packages of the Pentane Separation Unit of Petro Exir Kangan Company | Petro Exir Kangan Company | 2025 |
| 692 | HAZOP, HAZID and SIL Studies for “Butadiene Production” Project of Takhte Jamshid Petrochemical Complex (TJPC) | Namvaran Pazhouhesh va Tose-a Company | 2025 |
| 691 | HAZOP Studiy for Plant of Farsa Chimie Petrochemical Complex | Farsa Chimie Petrochemical Company | 2025 |
| 690 | HAZOP, HAZID and SIL Studies for Ethylenediamine Production Unit | Petro Process Phidar Company | 2025 |
| 689 | HAZOP and SIL Studies for Air Heater (H-76101 & H-76102) Package of Esfahan Oil Refinery Upgrading Project | Chamaan Engineering and Fabrication Company | 2025 |
| 688 | HAZOP, HAZID, SIL, QRA and Consequence Modeling Studies for Fuel Oil Desulphurization Unit of Lavan Oil Refinery Company | Exir Novin Farayand Asia Company | 2025 |
| 687 | HAZOP and HAZID Studies for VCM-EDC/PVC Plan of Kourosh Petrochemical Industriel Development Company | Kourosh Petrochemical Industriel Development Company | 2025 |
| 686 | HAZID Study for Standardize the Place of Sulfuric Acid for Injection Into Cooling Towers | Amirkabir Petrochemical Company | 2025 |
| 685 | HAZOP and HAZID Studies for Infill Well in SPD19B Platform of South Pars Gas Field | North Drilling Company (NDC) | 2025 |
| 684 | HAZOP Study for Henkel Pakvash Saveh Detergent Powder & Liquids Production Plants | Pharco Chemie Company | 2025 |
| 683 | HAZOP Study for Qazvin Production Plant of Pharco Chemie Company | Pharco Chemie Company | 2025 |
| 682 | HAZOP and SIL Studies for Furnace Heater Package of Bandar Abbas Refinery Heavy Products Upgrading Project | Bamdad Sazeh Farayand Company | 2025 |
| 681 | HAZOP and SIL Studies for PSA Package of Hydrogen Production Unit of Esfahan Oil Refinery Upgrading Project | Hava Abzar Tehran Company (HATCO) | 2025 |
| 680 | SIL Assessment Study for Assala Gabon production facilities in Atora, Gamba-Ivinga, Rabi, Toucan and Koula | Assala Gabon SA | 2025 |
| 679 | HAZOP and SIL Studies of “North Hybrid Cooling Tower” Project for Esfahan Oil Refinery Company | Kayson Water and Environment Company | 2025 |
| 678 | HAZOP study for pipelines related to utilities of Persian Gulf Sadaf Petrochemical Complex | Petrochemical Industries Development Management Company (PIDMCO) | 2025 |
| 677 | HAZOP Study for Mobile Desalter of “CMK” Project | ZN Vostok Company | 2025 |
| 676 | HAZOP Study of “the balancing tanks of pump houses No. 3 and 5” project | Fara Petrosazan Energy Company | 2025 |
| 675 | SIL Assessment Study for Compressors Package Units 400, 450, and 460 of “NGL3200” Project | Sazeh Consulting Engineers Company | 2025 |
| 674 | HAZOP, HAZID and SIL Studies for South Pars Gas Field Development Plan, Phase 11 | Iran Shipbuilding & Offshore Industries Complex Company (ISOICO) | 2025 |
| 673 | HAZOP and SIL Studies for Reformer Package of Hydrogen Production Unit of Esfahan Oil Refinery Upgrading Project | Kasravand Engineering and Construction Company | 2025 |
| 672 | HAZOP and Consequence Analysis Studies of “Flare Gas Recovery in South Pars Gas Refineries No.2 (Site 1)” Project | Tamkar Gas Equipment Company | 2025 |
| 671 | MOC-HAZOP Study for Process Units of Persian Gulf Apadana Petrochemical Complex | Persian Gulf Apadana Petrochemical Company | 2025 |
| 670 | HAZOP and SIL Studies for Storage Tanks & Offsite Facilities of the PDH Unit Project of Pars Petrochemical Company | Panah Sanat Part Company | 2025 |
| 669 | HAZOP, HAZID, QRA, Consequence Analysis Studies for 6 Fahliyan Wellheads and Relevant flowlines of “Sepehr-Jufair Development and production Operations” Project | Pars Consulting Engineering Group | 2025 |
| 668 | HAZOP, SIL, QRA and Consequence Modeling Studies for EO Transfer Line Project of Petronad Asia Petrochemical Complex | Petronad Asia Petrochemical Company | 2025 |
| 667 | Consequence Analysis and QRA Studies of “Omidiyeh Pump Station Transmission Capacity Increase and Omidiyeh-Gurreh Heavy Crude Oil Pipeline” Project | Jondishapour Company | 2025 |
| 666 | MOC-HAZOP Study for Transferring line of LPG from South Pars Gas Field Development Phase 14 to Kangan Petro Refining Company | Kangan Petro Refining Company | 2025 |
| 665 | HAZOP and HAZID Studies for 9 Infill Wells in SPD3, 7, 20, 19A Platform of South Pars Gas Field | Pezhvak Energy Engineering Services (PECO) | 2025 |
| 664 | MOC-HAZOP Study of “Azar Oil Field Development” Project | Sarvak Azar Engineering & Development Company | 2025 |
| 663 | HAZOP, HAZID, SIL and QRA Studies for Process Units & Off-Site Facilities of Sadra Petrochemical Complex | TIV Energy Engineering and Construction Company | 2025 |
| 662 | HAZOP and SIL Studies for Offsite Unit (Unit 20) of “Pars Behin Palayesh-e-Naft Qeshm” Refinery | Namvaran Pazhouhesh va Tose-a Company | 2025 |
| 661 | HAZOP, HAZID and SIL Studies of “Golkhari Oil Field Development” Project | Sanat va Modiriat Iran Consulting Engineers | 2025 |
| 660 | HAZOP Review and HAZOP Study for C2+ Unit of Mohr and Assaluyeh Sites | Palayesh Parsian Sepehr Company | 2025 |
| 659 | Emergency Response Plan (ERP) Study at Mehr and Asaluyeh Sites | Palayesh Parsian Sepehr Company | 2025 |
| 658 | HAZOP and SIL Studies for Fuel System of Burners of Steam Reformer of Tabriz Oil Refining | TEK7 Global | 2025 |
| 657 | HAZOP, HAZID and SIL Studies for Green Field and Early Gas Lift Sections of “Foroozan Offshore Complex Development” Project | Iran Shipbuilding & Offshore Industries Complex Company (ISOICO) | 2025 |
| 656 | HAZOP Study of New Pentane Drier & Buffer Drums for LLDPE Unit of AmirKabir Petrochemical Complex | Amirkabir Petrochemical Company | 2025 |
| 655 | HAZID, QRA, Consequence Analysis Studies for PDH Project of Pars Petrochemical Complex | Panah Sanat Part Company | 2025 |
| 654 | HAZOP and HAZID Studies for Debottlenecking Project of Olefin Unit of Marun Petrochemical Complex | Enerchimi Engineering Company | 2025 |
| 653 | HAZOP, HAZID, SIL Studies for LN |