Matrix Service Company’s operating companies specialize in large- and small-scale LNG storage, LPG storage facilities, ammonia storage facilities, LIN/LOX storage tanks and spheres and other steel plate structures. Among Matrix’s most prominent engineered products are LNG, low temperature and cryogenic storage facilities, as well as the associated process systems.
Few contractors possess the expertise needed to engineer low temperature and cryogenic storage facilities and related process systems making Matrix uniquely positioned as one of a few contractors actively working a substantial pipeline of projects.
With Matrix, you are getting a partner who will work with you throughout the process, providing a single point of contact with full project execution capabilities. What does that mean for you? We strive to bring the most value to our clients, and we have a high repeatability with clients for a reason. Our extensive multi-disciple engineering capabilities coupled with a seamless transition between FEED and EPC have led to a proven track record of safety, quality and meeting schedules.
Matrix has executed projects for the storage of refrigerated gases, including LNG, ethane, ethylene, propane, butane, propylene, butadiene, ammonia, chlorine, oxygen, nitrogen, argon, hydrogen, and helium.
Specifications:
- +40°F to -60°F
- API Standard 620, Annex R
Storage for:
- N-Butane
- Iso-Butane
- Ammonia
- Propane
- Propylene
Specifications:
- -60°F to -325°F
- API Standard 620, Annex Q
Storage for:
- Ethane
- Ethylene
- Methane (LNG)
- Oxygen
- Argon
- Nitrogen
life cycle support services
In addition to new facilities, our deep domain skills in engineering, project management, and project services enable us to provide specialty support for changes resulting from operational issues and regulatory guidelines.
Our portfolio of services includes:
- Conceptualization
- Fitness for service + life cycle analysis
- Engineering
- Development of repair options
- Regulatory support
- FEL1, FEL2, FEL3, cost analyses
- Planning + scheduling
- Procurement services
- Field repair + construction
- Startup + taking facilities out of service
- Repairs
- Pre-commissioning + commissioning

Because of Matrix’s expertise, we were also able to make design changes that prevented issues that could have negatively impacted the project and resulted in significant cost increases.
Adam Lecompte, Project Engineer, Shell Deer Park Refinery
Your partner of choice from concept through completion. Beyond having extensive experience with LNG and cryogenic facilities repairs and life cycle improvement, Matrix has a proven track record of safety, quality and meeting or beating schedule.
- Integrity assessments, including reports for repair + upgrade
- Concept, feasibility studies + FEED
- Life expectancy calculations
- Assistance to support regulatory requirements from agencies such as PHMSA + FERC
- Product evacuation, including isolation, warm-up + purge
- Product introduction, including purging + cool-down
- Repairs + upgrades, including design and installation
- Engineering + installation of temporary facilities to accommodate continuing operations during the out-of-service period
spheres + specialty vessels
For decades, Matrix has been the industry leaders for design and fabrication/construction, respectively, of aboveground storage tanks and specialty vessels. Our AST capabilities cover atmospheric, pressurized and cryogenic tanks for liquid, gas and bulk storage, including complete terminals.