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Engineering structures and delivering solutions for over 30 Years. We are Industrial Structures.

Since our inception in 1987, we have made it our mission to engineer custom, turnkey structures of only the highest quality. Our senior management, with over 40 years of manufacturing experience, lead a team of diverse, highly-skilled craftsmen who fabricate structures for a wide range of industries including aviation, power generation and distribution, railway, oil & gas, communications, and emergency management services among others.

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Maintenance-of-Way Boarding Cars

Housing and specialized railcars designed with the end-user in mind. Using our proprietary design, every railcar is customizable and built to stand the test of time.

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Power Generation and Oil & Gas Industry Enclosures

Engineered, fully assembled metal enclosures built to protect your operation’s control panels, instrumentation, and other weather sensitive systems delivered ready to set in place at your site.

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Simulation Trainer Components

Structures and related components for simulation-based training equipment including build-to-print flight simulation structures and related components for both the civil and military aviation sectors.

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“Site Solar considers ISI a valuable manufacturing partner. They take pride in their quality workmanship, on-time delivery, and service after installation.”

Randy Heckenkemper, Partner at Site Solar


In addition to the principal industries we serve listed above, we can also custom design structures for any industry and application in any environment as simple or as complex as necessary.

  • Equipment & control shelters
  • Personnel offices
  • ISO-type container units for offices or equipment & control shelters
  • Skid-mounted structures
  • Emergency response structures transportable via rail or over-the-road
  • Mobile communication trailers
  • Mobile water storage
  • Mobile antenna trailers

Drop us a line about your custom structure needs and request a quote.