Because of our Quality

We care about the quality of our product, no matter how big or small.

We care about the quality of our product, no matter how big or small.  We are committed to delivering a quality product to our clients. In doing so, we ensure that each project receives the same level of “attention to detail” regardless of the size of the project. Our field-verification and checking procedures ensure that we consistently deliver high quality work with minimal errors. However, if there is an error on our part, we address it quickly and provide all necessary drawing modifications at no additional cost to our clients.


“Sigma has been providing a number of engineering services for this site almost 20 years.  They provide capital project design services, on-site engineers/designers and process safety management programs (PHAs, safety relief system design and implementation).  They have been crucial in our growth over the past several years by “fast-tracking” designs with minimal errors, following construction and commissioning.  They have been a responsive and reliable resource…”

– Philip Spillane – Lion Copolymer Geismar Plant Manager


We care about safety. It is our top priority to ensure the safety of our employees and our designs throughout every step of the design process.  Our bi-weekly safety meetings and incentives prove our commitment to our employees and our clients.

We care about the cost of a project and we take our budgets very seriously.  Understanding that “change orders” can be seen as excessive, we inform our clients throughout the project if anything changes in order to avoid surprises.  Only the people who work on projects charge to them.

We provide adequate details in our designs to minimize questions during the construction process.  In cases where we have a fixed budget, we will not “cut corners” to ensure that we do not lose money.

Ammonia Tank

Preliminary and detailed multi discipline engineering and design for a large ammonia storage tank maintenance Project Summary

Provided preliminary and detailed multi discipline engineering and design for a large ammonia storage tank maintenance shut down and replacement of a stair tower and flare system. Project also included process assessment and revamp of an aqua ammonia production facility and rerate of piping and vessels in the area. A new loading building was installed. A cooling tower was replaced.

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