About Us

We specialize in providing
Knowledge Driven Solutions
for the Oil and Gas industry.

We design, fabricate, and commission products for the petrochemical, oil and gas, refinery, and specialty process industries worldwide. Our expertise includes manufacturing pressure vessels, heater treater, heat exchangers, reaction vessels, storage tanks, separators and ancillary equipment serving the aforementioned industries.

Over the span of 38 years, S.Mark has become a leading fabrication and engineering company in the oil and gas sector. S. Mark is a growing enterprise and our success in the market is attributed to our philosophy of quality, reliability, and customer service.

Our Journey

Since 1986, our journey has been defined by innovation, resilience, and growth. We’ve consistently evolved, overcoming challenges and embracing opportunities to deliver excellence and drive lasting success.

1986
INCEPTION
  • S.Mark Industries founded by Mr. A.C. Saini – a pioneer of new technology in ONGC
1988
SERVICES UNIT
  • Establish pipelined Services BU catering to pipeline repair, well head services, upgrading stimaulation units
1996
FIRST EPC
  • Early Production Facility (1000 BOPD) plant for JTI in Dholka
  • Set up the 1st manufacturing unit for specifically Oil & Gas equipment
2005
MANUFACTURING
  • 2nd manufacturing unit for Oil & Gas production equipment
2011
MANUFACTURING
  • Supply 100+ Separators to Essar and Reliance for Development of CBM project.
2014
CAIRN QPF
  • Bagged the first Cairn project that became a model for future Satellite Fields; Started 2nd manufacturing unit
2018
INR 100 Cr
  • Single order of more than INR 150 Cr – surface facility development
2021
TECH + MFG
  • Tripled the manufacturing capability and signed up multiple technology MoU
  • Flare Project for ONGC Ahmedabad & Ankleshwar
2022
WELL HOOKUP
  • First Well Hook-up Project by CAIRN
  • Get First order ONGC Assam from Flare
2023
INR 150+ Cr
  • Order book exceeds INR 150 Cr
2024
EPS & FLARE
  • ONGC’s prestigious EPS Development, Cambay
  • Flare Projects – 17 flares

Management Team

A. C. Saini

Managing Director

A. C. Saini serves as the Chief Executive Officer and Managing Director of S. Mark Group. He has been associated with the oil and gas industry for more than 35 years.

He founded S. Mark Industries in 1986. Under his leadership S. Mark became the leader in providing solutions to small as well as large oil and gas companies in the western on shore region. Starting from humble beginnings of carrying out rate contract, A. C. Saini has led S. Mark to carry out multi-million-dollar EPC and LSTK projects.

Earlier in his career, he served in key roles in ONGC. A. C. Saini established the renowned Well Stimulation Services department at ONGC. He was a pioneer in carrying out gravel pack jobs in India. He earned several accolades at ONGC before venturing out to start his own Knowledge Driven Solutions company.

A. C. Saini is a Mechanical graduate engineer.

V. D. Kalia

Chief Technology Officer

V. D. Kalia is the chief technology officer and the lead sponsor of HSE policy at S. Mark Group. He leads the process consulting business unit at S. Mark.

V. D. Kalia has had an illustrious career at ONGC, serving as project head at several ONGC project locations. He has been recognized for his managerial style providing solutions to tricky labour issues. V. D. Kalia has deep understanding of the oil and gas process and continues to consult with several companies in order to resolve production challenges.

Rahul Saini

Project Director

Rahul is responsible for spearheading S. Mark Group’s Project Vertical, Business Development, Investments in adjacent markets and Corporate Alliances.

Rahul has over 18 years of experience in working for multinational firms in manufacturing, design, sales, and marketing. Rahul led the worldwide marketing effort at KLA-Tencor for its metrology products, production and process development at Texas Instruments.

Rahul earned his MBA with an emphasis in corporate strategy and marketing from the University of California at Berkeley, MS degree in Electrical Engineering from Texas Tech University and BE degree in Instrumentation and Control form Gujarat University.

C. P. Patil

General Manager Production

C. P. Patil is responsible for leading manufacturing activities for S. Mark Group. C. P. Patil is himself a entrepreneur with 30 years of experience in founding, running and eventually selling fabrication plant.

Earlier in his career he held key positions in the production department at Anoop Engineers.

Our Certification

Products Approved by these clients

Our Achivements

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Manufacturing Facility

A brief view of a manufacturing facility showcasing advanced machinery, production processes, and operations.

Why Choose Us?

Choose S.Mark Engineering for cutting-edge solutions, exceptional quality, and a dedicated team that prioritizes your project’s success and efficiency.

Expertise & Experience
S.Mark has over 38 years of experience in detail designing, manufacturing, and commissioning specialized solutions for the petrochemical, oil, gas, and refinery industries, making them a reliable partner.


Certified Quality Standards
With prestigious certifications like ASME’s "U" Stamp, "R" Stamp by the National Board of Boiler and Pressure Vessel Inspectors, and ISO 9001:2015, ISO 14001:2015, ISO 45001: 2018, EIL 2022, etc., S.Mark ensures high-quality processes, leading manufacturing standards, and top-tier quality.
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Comprehensive Solutions
S.Mark provides a complete range of knowledge-driven solutions, from pressure vessels to ancillary equipment, from LSTK to EPC projects, and from well stimulation to leading edge sub-surface technologies, tailored to meet client-specific needs and industry standards.
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