Constructing Safe and Efficient Ammonia Plants

Ammonia is used in a wide variety of industrial and commercial applications, and it is a key component of a successful and thriving petrochemical sector. It is estimated that in 2016 about 175 million tons of ammonia was produced, with the US ranking among the top five nations in terms…
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STI Group Acquires Tulsa Fabrication Facility

STI Group is pleased to announce the acquisition of a state-of-the-art fabrication facility in Tulsa, Oklahoma. The facility is located right in the heart of Tulsa’s thriving industrial sector, and this new expansion will enable STI Group to offer even greater service, value, and convenience to our clients in this…
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STI Group wins mechanical construction contract for Dow Nederland Expansion

June 7, 2019 STI Group wins mechanical construction contract for Dow Nederland ExpansionBRIDGE CITY, Texas – STI Group announced today that Dow (NYSE: DOW) and STI Group have signed the Mechanical Construction Contract in support of Dow’s Fender MNB Expansion Project for their facility located in Nederland, TX. This project…
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Constructing Natural Gas Processing Plants

Natural gas is one of the most abundant natural resources in the US. In recent years it has played a crucial role in increasing US energy independence and buoying the US economy. However, before natural gas can be used it must first be processed to remove impurities. Thus natural gas…
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STI Group Constructs Compressor Stations

In order to facilitate the transport of natural gas through pipelines, the gas must undergo regular treatment at compressor stations, which are set up at recurring intervals along the pipeline to maintain a constant pressure and to clean and process the natural gas. STI Group provides provides dependable, high quality…
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Shop Fabrication of Pipes for Natural Gas Processing Plants

Natural gas processing plants require an extensive network of pipelines to send and receive natural gas and move it through the facility. STI Group provides reliable, state-of-the-art shop fabrication of pipes for natural gas processing plants. Shop fabrication ensures minimal disruption to the worksite, provides a full range of capabilities…
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Civil Work for Natural Gas Processing Plants

The petrochemical industry remains a vital, vibrant part of the US economy. While the petrochemical industry is in part fueled by crude oil, natural gas has continued to rise in prominence and importance over the last decade as extraction methods become more efficient and effective. However, to be useful as…
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The Challenges of Cryogenic Piping Systems

Cryogenic piping systems are used in a range of industrial applications including LNG transport and regasification, chemical and petrochemical applications, and the food and beverage sector. However, due to the extremely low temperatures, often below -300°F or lower, cryogenic piping systems face several key challenges that standard piping systems do…
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Construction Services for Compressor Stations

Pipelines provide a safe, cost-efficient means of transporting natural gas. However, in order for this transport to be possible, the natural gas inside the pipeline must be kept at the correct pressure. To do this compressor stations are present at regular intervals to clean and compress the natural gas. STI…
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An Overview of ASME’s B31.3 Code for Process Pipe Fabrication

The American Society of Mechanical Engineers (ASME) sets codes for safety standards in the fields of engineering, fabrication, and construction. For process pipe fabrication, ASME code B31.3 is the industry standard, and STI Group’s pipe fabrication services meet this standard. What follows is an overview of ASME’s B31.3 Process Piping…
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