Quality, Health, Safety & Environment

Mercury aims to have a QHSE philosophy and performance of which we can be proud and to earn the confidence of customers, stakeholders and society at large, to be a good neighbor and to contribute to sustainable development.

Mercury Well Control strives to embrace a clear and concise commitment to this philosophy. This statement sets out the QHSE foundation by which we conduct our business and outlines and, at the highest level, the means by which we aim to realize this philosophy.

Mercury believes first and foremost in the safety and security of our employees, our clients, our community and our environment. Because we feel so strongly about protecting ourselves and those around us, we have partnered with companies who share this philosophy to provide industry leading services that help our clients and promote a responsible approach to protecting the things that matter most.


Envirotest, Ltd is a full service environmental consulting company founded in 1987. From our Houston headquarters, we provide a comprehensive suite of environmental services worldwide.

Our diverse client base includes numerous Fortune 500 Commercial and Industrial firms.


As one of the most dependable companies in the business, Envirotest has highly trained and experienced staff working hard to provide excellent service to our clients. We strive to provide consulting expertise with a focus on solutions that protect both people and the environment.

Range of Services

Envirotest, Ltd. offers one of the most complete arrays of environmental consulting, industrial monitoring, in-house laboratory, and environmental training services available in the United States.


Envirotest has a strong foundation of experience from over 25 years of providing quality service in the Gulf coast region, and across the country.



To assess, develop, improve, implement and maintain safe environments, workplaces and conditions for our clients, our employees and our communities. We save lives. We improve communities. We make a difference.

For nearly 25 years Sitex and Envirotest have been providing clients and their employees smart, safe and secure solutions for their work places. We have prided ourselves on expanding our core offerings to provide new and innovative solutions to meet those challenges and opportunities at every turn.

Bringing Professionalism to the Safety & Environmental Industry Since 1987


How Mercury Well Control Works

We are pushing the boundaries in what is possible in the energy sector. Whether we are shaping solutions for a client or changing the way we do business, Mercury is leading to the next generation of well control.

  • Theory of Change

  • We Blend Research and Practice

  • Multiple Solutions, Multiple Applications

  • Understand Our Clients and Our Industry

  • Developing Our Next Generation

The Next Generation of Well Control