01 — Foundation
Mission
To provide high-quality retail energy services and renewable power options while helping customers optimize energy consumption through advanced technologies and demand response programs.
Who We Are
At MEMS Industrial Supply, LLC (MEMSIS), we are redefining the energy experience. Our focus is on delivering reliable, medium to long-term retail energy solutions that empower large commercial and industrial businesses to thrive. With a strong commitment to our customers and partners, we offer innovative power options and cutting-edge strategies for smarter energy consumption, including demand response programs. MEMSIS isn't just about supplying energy—we're about creating a future where efficiency, resilience, and clean power drive progress.
Strength Behind the Name
MEMSIS is backed by one of the world's most established trading houses, giving our customers the confidence of deep financial strength and decades of energy market expertise.
MEMS Industrial Supply, LLC (MEMSIS) is a retail energy provider delivering medium to long-term power solutions to large commercial and industrial customers across deregulated U.S. markets. We combine the agility of a focused retail platform with the backing of a global energy powerhouse.
Our approach centers on reliability, competitive pricing, and advanced demand response strategies that help businesses optimize their energy consumption and reduce costs.
Mitsui & Co. Energy Marketing and Services (USA), Inc. — known as MEMS — is a Houston-based multi-commodity energy trading platform and the direct parent of MEMSIS. MEMS trades and markets power, oil, natural gas, and LNG across markets throughout the United States and the globe.
As a wholly owned subsidiary of Mitsui & Co., Ltd., MEMS brings institutional-grade risk management, deep market intelligence, and the financial resources of one of Japan's largest global trading companies to every transaction.
Mitsui & Co., Ltd. is one of the world's largest and most diversified trading and investment companies, headquartered in Tokyo with operations spanning 63 countries and regions. With a history dating back to 1876, Mitsui operates across energy, infrastructure, chemicals, metals, and more.
In the energy sector, Mitsui is a major player in LNG, upstream oil and gas, renewable energy, and power generation — providing MEMSIS with access to global energy expertise and an unmatched network of industry relationships.
When you choose MEMSIS, you're partnering with a company backed by one of the world's strongest balance sheets. Mitsui & Co. holds investment-grade credit ratings and consistently ranks among the top global energy companies, providing our customers with the confidence that we will deliver on every commitment.
This financial foundation means stable pricing, reliable supply, and a partner that will be here for the long term, not just the next quarter.
What We Value
01 — Foundation
To provide high-quality retail energy services and renewable power options while helping customers optimize energy consumption through advanced technologies and demand response programs.
02 — Direction
To lead the transition toward a smarter, greener energy future by empowering customers with innovative solutions that balance reliability, sustainability, and efficiency.
03 — Character
Questions about your account or service? Our team is here to help.