Mechanical Solutions

OOISS specializes in providing Turnkey solutions for the Oil and Gas and associated industries. Our capabilities include pumping, filtration, fabrication, heat-exchanger installations. We partner with leading process engineers and related process equipment manufacturers.

Servicing, condition monitoring and maintenance support, NDT Inspect, Project life cycle support, Mechanical Fabrication

OOISS Piping class material group will provide stocking, assembly and supply of CRS and CRA piping, flanges, fittings and associated pipes. Consistent high quality, high-grade Exotic materials from world class suppliers.

OOISS Construction group will provide f various items to Infrastructure, Oil and Gas segments such as warning tapes, manhole covers, PE sleeves, Valves for HVAC, PE fittings etc..



Roto Pumps journey of an enterprise, which pioneered manufacture of progressive cavity pumps in India in the 1968 to a global player who is now counted amongst the top ten. Since our inception, we have not only made continuous investments in product development and built a strong manufacturing infrastructure but also focused on developing skills in application engineering, vital to ensure superior performance and customer satisfaction.

The last decade saw Roto Pumps strengthening its overseas presence by setting up regional offices and warehousing facilities in Australia and United Kingdom and additionally, expanding distribution network in other markets.

Roto Pumps manufacturing units are

  • Certified for conformance with the ISO 9001-2008 quality surveillance
  • Accredited with OHSAS 18001:2007 Occupational Health & Safety Management System by SWISS CERT PVT. LTD.
  • Accredited with ISO 14001:2004 Environment Management System by SWISS CERT PVT. LTD.


HMT, founded in 1978, Head Quarters in Woodlands, Texas, USA has been the global leader in storage tank technology development. HMT provides quality products including: external seal systems, internal seal systems, floating suction and drain systems, aluminum dome roofs, skin and pontoon floating roofs, full contact floating roofs and emissions reduction devices. In addition, HMT’s global team of engineers, project managers and field personnel can assist with common challenges including ways to reduce emissions, optimize tank capacity, reduce stranded inventory and engineer a tank system that exceeds safety standards and extends maintenance intervals.

Wax Scrappre


The Vulcanic group has been designing and manufacturing electrical heating and cooling solutions since 1973. Employing 600 people across 8 manufacturing locations, Vulcanic currently services 30 000 customers in 100 different countries across the globe and is an ISO 9001 v 2008 accredited company.

Vulcanic offers a wide range of solutions for electrical industrial heating and cooling (of liquids, gas and solids) including temperature measurement, control and power supply.

Those solutions consists on a combination of

  • Heating elements, screw immersion heaters, flow heaters, process heaters, heating cables, heating panels, heating hoses, heating cartridges, band heaters, electrical industrial radiators, fan heaters, finned strip heaters, air duct heaters
  • Thermostats, temperature sensors, temperature probes, pt100 sensors, thermocouples, indicators, measuring transducers, temperature controllers, power units, control panels
  • Temperature control unit for water or oil medium, hot, hot/cold and hot/cool, air conditioners for electrical cabinets, heat exchangers air/water, chillers

They do suit safe but also hazardous areas. They can then include ATEX immersion heaters, ATEX flow heaters, ATEX temperature sensors, ATEX thermostats, ATEX panels



Aturia began to operate in the Centrifugal Pumps sector in 1927 and became a leader in the Submersible Electric Pumps field by patenting the Submersible Motor in 1946. In 1960 it extended its markets to countries in the Mediterranean, America and Asia. Over time Aturia acquired four top Italian companies: Rotos (1990), Marelli (1990), Audoli & Bertola (2003) and Aris Chiappa (2009).


ELCO- International Engineering

Established in 1976 Elco International Engineering Co. LLC is a 100% Omani owned company

Elco has:

In-house projects execution capability from conceptual design to final completion of steel works
Nizwa Industrial Estate manufacturing facilities equipped with state of the art machinery.

A dedicated team of highly qualified and experienced Engineers, Supervisors, Draftsman and skilled workers capable of handling technically challenging projects

The Zubair Corporation acquired ELCO company in April 2013

ELCO- International Engineering
ELCO- International Engineering
ELCO- International Engineering

Alfa Laval

Alfa Laval is a world-leading supplier of products and solutions in the key technologies of heat transfer, separation and fluid handling. The company’s equipment is used to heat, cool, separate and transport products in industries. They are also used aboard vessels, in power plants, in the engineering industry, for treating sludge and wastewater, for comfort heating and cooling, and much more.

Onshore and offshore, Alfa Laval provides technology, know-how and services that drive your profitability. Drawing on decades of field experience, we bring you robust solutions that mean easy integration, trouble-free uptime and long-term efficiency. Not only do we secure the performance you count on, we save you time and resources in the process.

We offer a comprehensive range of equipment for oil and gas, supporting not only your mission-critical processes, but also your energy efficiency and environmental profile. Ease of integration is the common denominator, along with strong performance you can count on over time.

In oil and gas operations, it is important to minimize risk. That’s why we provide an effective back-up infrastructure for all the Alfa Laval equipment used in drilling operations, with rapid-response trouble-shooting

Alfa Laval
Alfa Laval
Alfa Laval

Eco- Tec

Eco-Tec is a globally recognized provider of produced-water treatment systems for heavy oil operations, featuring advanced filtration (Spectrum Plus™) and ion exchange softeners (RecoPur®) that dramatically reduce materials, waste, and operational costs for clients. Eco-Tec’s systems represent a safer smaller, more efficient way of treating produced water to reduce scaling and corrosion, while eliminating conventional problems such as high chemical (salt, acid, caustic) consumption and poor oil and solids filtration quality.

Through advanced ion-exchange demineralization and softening technologies (Recoflo®) and innovative approaches to filtration (Spectrum™), Eco-Tec’s High Purity Water Purification Systems are improving process efficiency around the world. For over 30 years, Eco-Tec has specialized in integrating simple reliable water-treatment components to provide the highest purity water for steam, power generation, chemical processes, and a variety of other industrial applications.

Eco-Tec’s Amine Purification Systems (AmiPur® Plus) are helping gas refineries, gas processing plants, and flue gas carbon capture operations around the world economically achieve emission standards and reduce contaminants. Installed in more than 18 countries, AmiPur continuously removes Heat Stable Salts (HSS) ensuring stable consistent performance of amine units with minimal attention.

Eco- Tec
Eco- Tec
Eco- Tec