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(210) 525-0220 M-Th 7:30am-5:00pm, F 8:00am-3:00pm 8000 West Interstate 10, Suite 1002, San Antonio, TX
+1 2223 4567 Mon - Fri 09:00 - 17:00 4th Avenue Kingston St. New York
+1 8887-3342 Mon - Fri 09:00 - 17:00 55th Floor Paulsson Bd. SF
Contact Us

About Us

Engineering exceptional solutions

It’s what we do. It’s how we do it. It’s what we deliver.

About H2MG

H2MG, founded in 2009, is a leader in public sector, built environment projects with focus in government, higher education, and K12 MEP systems design. We also design for delicate historic preservation work, and for highly technical research laboratory environments including BLS-4. With over 100 years of combined mechanical, electrical, and plumbing engineering design experience, our team members are exceptional, solution-centric thinkers with a passion for high performance engineering design, and innovative, sustainable design solutions.

Our capability, partnered with next generation technology, is our foundation for engineering exceptional solutions every day. H2MG is State of Texas HUB Certified and SBE MBE certified with SCTRCA


Thoroughly coordinated MEP models | We keep cost down and reduce construction disruption. We are nimble and adapt quickly to changes in design and production schedule, even when accelerated.


Responsiveness and communication | We are decidedly collaborative throughout the lifecycle of our projects. You have our full attention every time you call on us.


Initiative in Design | We create design solutions with everyone at the drafting table. Our solution-centric design process encourages owners and users to help us find solutions that work for them.

Leader in Public Sector Projects

H2MG is a leader in public sector projects. Our portfolio includes major university systems, State of Texas departments, large K12 districts, and municipalities. We help our clients navigate the design challenges and opportunities within public sector projects.

  • 90+ Higher Education Projects

  • 50+ Municipal Projects

  • 30+ State and Federal Projects

  • 20+ K12 Projects

Engineering Exceptional Solutions!

Thank you to our clients for giving us opportunities to do the work we love. You are more than just a number. You count! We appreciate your loyalty and support.

Square Feet of Green Design

Meet The Team

Ernesto Lopez Del Castillo Jr., PE

Managing Principal | Lead Electrical Engineer

Mehdi J. Mirmomeni, PE

Managing Principal | Lead Mechanical Engineer

William E. Harris Jr., PE

Principal | Lead Mechanical Engineer

George Bocanegra

Principal | Lead Plumbing Designer