At a glance
Power Management International, Inc.
US holding company in Tampa, Florida. Large-scale energy advisory, project structuring (SPV, BOOT), international capital and oversight of execution on the owner’s behalf.

PMI structures and finances. GIS Power and GTO Energy develop, build and operate. The split reflects who signs each part of a project within the group, not a limit on what the group does.
US holding company in Tampa, Florida. Large-scale energy advisory, project structuring (SPV, BOOT), international capital and oversight of execution on the owner’s behalf.
The group’s Mexican energy operations company. Develops, builds and operates large-scale generation, cogeneration and data center power, in Mexico and across the Americas.
Electrical engineering for industry in Mexico and Latin America: power quality diagnosis, storage, on-site generation and medium-voltage electrical infrastructure.
The bridge: how capital reaches the asset
Each company was born from the previous one, and all of them carry the same mission-critical discipline: power that cannot be interrupted.
Environmental Solution Inc. is founded in Tampa, Florida, as an engineering and construction firm for mission-critical facilities in the United States and Mexico.
Power Management International, Inc. is formed by acquiring ESI.
Power Management Engineering, S.A. de C.V. is established in Mexico City.
Green Island Solutions is created to focus on cogeneration and large-scale generation.
The group’s electrical engineering company for industry, in León.
Feasibility, supply architecture and cogeneration studies for data centers, industrial parks and mixed-use developments, backed by the group's work since 1983.
Read CompanyThe group's projects in the US, Mexico, Brazil and the Bahamas: mission-critical data centers, cogeneration plants and industrial facilities since 1983.
Read CompanyPower Management International, Inc., a holding company in Tampa, Florida, rooted since 1983 in building mission-critical infrastructure.
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