Beginning from design to planning to coordination, GSPL has brought in the best of capabilities and competencies for its energy transportation projects across Gujarat. Some of the companies and consultants working with GSPL are

PMC/Engg. Consultant
• Mott MacDonald
• M/s Dorsch Consult (I) Pvt. Ltd.
• Engineers India Ltd.
• M/s Tractebel Engineering and Constructors Pvt. Ltd.
• M/s Valdel engineers and Constructors
• M/s Wood Group Engg India Pvt. Ltd.
• M/s Mecon ltd.

GSPL – Contractors Details
• Larson & Toubro Ltd.
• ECL-STG Consortium
• Punj Lloyd Limited
• Zangas- KPTL Consortium
• AFCONS-PETERGAZ Consortium
• MAYTAS-NAFTOGASBUD JOINT VENTURE
• HCC-NOVA JOINT VENTURE
• TEHRAN JONOB-JAIHIND CONSORTIUM
• JSIW Infrastructures Ltd.
• CORRTECH INTERNATIONAL PVT. LTD
• Ace Pipeline Contracts Pvt Ltd.
• Indian Oil Tanking Ltd.
• IVRCL infrastructure and Projects Ltd.
• Kazstroy Engineering India Pvt. Ltd.
• Aban Construction Ltd.
• Naftogaz-NCCL Consortium
• NR Patel & Co. Engineering & Contractors
• Jaihind Projects Ltd.
• Medikonda Construction Pvt. Ltd.
• EIL- Gammon Consortium
• Nafto gas of Ukrain
• Dodsal Pvt-Dodsal Pte Consortium (M/s Dodsal Pvt. Ltd)
• Limak- Aban Consortium M/S Limak Construction Industry & Trade Inc.
• NCC- SICIM Consortium

Third Party Inspection Agency
• Tata Projects Ltd.
• Indian Register of Shipping
• Bax Counsel Inspection Bureau Pvt. Ltd.
• Bureau Veritas
• Germanischer Lloyd
• Velosi Certification Services, Mumbai
• ABS Industrial Verification Ltd., Mumbai
• Certification Engineers International Ltd.
• Dalal Mott MacDonald
• International Certification Systems
• M/s Intertek Testing Services (India) Pvt. Ltd.
• TUV India Pvt. Ltd. (TUV NORD Group)
• Rites Ltd.
• Iteng Engineering
• Del Norske Veritas As
• TUV SUD South Asia Pvt. Ltd.
• SGS