Oil and Gas EPC Contractors in India: Buyer's Guide

Projects India currently tracks 1,281 upcoming petroleum oil and gas projects across India, with a combined recorded cost of around Rs 6.99 lakh crore. The buyers behind these projects span central public sector undertakings, regulatory bodies mandating new pipeline networks, private exploration companies and a growing cluster of compressed biogas developers. For oil and gas contractors, equipment suppliers and consultants looking to enter the market early, understanding who is commissioning work and where is the starting point.

Most Active Promoters: Who Is Commissioning Oil and Gas Projects

The table below lists the promoters with the highest number of petroleum oil and gas projects in our database. These are the organisations your business development team should prioritise, as the chart below shows.

The Petroleum and Natural Gas Regulatory Board leads by project count, largely through its role in authorising and driving city gas distribution and pipeline networks across multiple states. Oil and Natural Gas Corporation Limited, while fourth by count, holds the highest combined recorded cost in this scope — around Rs 1.6 lakh crore — reflecting the capital intensity of its offshore and upstream portfolio. Private sector players such as Vedanta Limited and Adani Gas Limited are also significant buyers of EPC and engineering services.

Largest Individual Oil and Gas Projects in India

The projects below represent the highest-value opportunities currently in our database for the petroleum oil and gas segment. EPC contractors and major equipment suppliers should track these closely, as their procurement cycles are either open or approaching.

Several of these projects are already in the Construction Started stage — meaning active procurement of civil, mechanical, piping and instrumentation packages is likely underway. Projects under approvals are approaching the tendering window and warrant early positioning. You can browse the full list of petroleum oil and gas projects in India on our platform.

Where Oil and Gas Demand Is Concentrated: States and Project Stages

Maharashtra leads all states by project count, followed by Uttar Pradesh, Gujarat, Madhya Pradesh and Andhra Pradesh, as the chart below shows. Assam is notable for its refinery expansion activity, while Rajasthan hosts the high-value Pachpadra refinery project. Odisha is emerging as a pipeline corridor state, with both the Numaligarh crude oil pipeline and the Paradip-to-Surat gas pipeline routed through it.

Looking at project stages — a critical filter for timing your approach — the pipeline of work is deepest at the Under Approvals and Construction Started stages, as the chart below shows.

Of all projects in this scope our records show:

• Under Approvals: 548 projects — regulatory clearances are in progress; procurement is not yet open but pre-qualification and relationship-building are appropriate
• Construction Started: 322 projects — active site work underway; subcontract packages, equipment supply and services procurement are live or imminent
• Planning: 246 projects — feasibility and detailed engineering in progress; consultants and specialist technology providers have an early entry point
• Approvals Received: 74 projects — clearances secured; EPC tender release is the next logical step
• Early / Announced: 34 projects — intent declared; no formal procurement has begun

Of the 1,281 upcoming projects, 557 are marked verified in our database. In the last 90 days, 44 new projects were added to our records, including compressed biogas plants in Tamil Nadu, Andhra Pradesh, Haryana and Gujarat, an LPG bottling facility in Mizoram and a producer gas project in Odisha — signalling continued geographic spread beyond the traditional oil and gas heartlands.

For a broader view of how this sector sits within India's infrastructure pipeline, see the Mining Projects sector overview, which covers petroleum and related industries.

How to Approach Oil and Gas Contractors and Project Owners in India

The stage of a project determines who to contact and what to offer. General principles that hold across most oil and gas projects:

Planning and Early / Announced stage

At this stage, the promoter's project development team and appointed project management consultants are the primary decision-makers. EPC contractors can introduce themselves and their relevant track record. Equipment and material suppliers should focus on technology briefings rather than commercial proposals. This is also when pre-qualification documentation is worth preparing.

Under Approvals stage

Regulatory submissions are being processed. The engineering team is typically finalising the project scope. EPC firms should monitor for expression of interest notices and RFQ releases. Specialist consultants — safety, environmental, pipeline integrity — are often engaged at this point. Live government tenders on our platform cover notices released at this stage.

Approvals Received stage

This is the most time-sensitive window for contractors. The promoter moves quickly from clearance to tender release. Registered vendors with pre-qualification already submitted are best placed. For pipeline construction companies in particular, mobilisation planning begins here.

Construction Started stage

Main EPC packages may already be awarded, but subcontract work, specialised services, consumables and equipment supply continue to be procured throughout the construction period. Site managers and project procurement offices handle this — not corporate headquarters. Approaching the right level in the project hierarchy matters here.

Across all stages, the buying structure in large oil and gas projects typically separates process engineering, civil and structural works, piping fabrication and erection, instrumentation and electrical packages, and commissioning services into distinct procurement lots. A supplier or contractor that positions itself clearly within one or two of these categories will find engagement more productive than a broad-brush approach.

What This Means for Suppliers and Oil and Gas EPC Companies in India

The scale of activity in our database — Rs 6.99 lakh crore in recorded project costs across 1,281 upcoming projects — represents a sustained procurement cycle rather than a one-off surge. Several observations are relevant for companies competing for this work.

Pipeline construction is a structural theme. The Petroleum and Natural Gas Regulatory Board alone drives 132 projects, many of them gas and LPG transmission pipelines spanning multiple states. The Rs 12,940 crore GAIL gas pipeline, the Rs 11,000 crore Numaligarh crude oil pipeline and the Rs 9,000 crore Kandla-to-Gorakhpur LPG pipeline illustrate the size and geographic complexity of packages being tendered. Companies with cross-state pipeline construction credentials and a presence in states like Gujarat, Uttar Pradesh and Odisha are well positioned.

Compressed biogas is an emerging sub-segment. Our records show a cluster of new CBG plant projects added in the last 90 days across Haryana, Tamil Nadu, Andhra Pradesh, Gujarat and Madhya Pradesh. While individual project costs are smaller, the volume of projects creates recurring demand for process equipment, storage, gas handling systems and civil contractors familiar with bio-gas plant construction.

Refinery and upstream projects require specialist EPC capability. The Pachpadra refinery at Rs 43,129 crore, the Numaligarh refinery expansion at Rs 28,026 crore and ONGC's KG Basin offshore project at Rs 34,012 crore are high-complexity assignments. These typically go to contractors with documented refinery or offshore EPC track records and the financial standing to handle large packages. Sub-contracting and equipment supply opportunities within these projects are, however, accessible to a wider set of companies.

State concentration matters for resource planning. Maharashtra (261 projects), Uttar Pradesh (194) and Gujarat (165) together account for a substantial share of the pipeline. Contractors and suppliers with established local presence, labour resources and logistics in these states carry a structural advantage in bid competitiveness.

To explore the full set of projects, use the petroleum oil and gas project database, filter by state or stage, and access promoter contact details. If you supply to multiple infrastructure sectors, the complete upcoming projects database covers 84,540 projects nationally. You can also view a free sample project report to understand the depth of information available before subscribing, or explore our contractor and supplier directory to list your own company for inbound enquiries from project teams.