welcome to monaro

Monaro LLC is a multi-disciplined contractor providing a complete construction solution for our clients. Its focus is to provide multi-disciplinary services to the gas, energy, and chemical processing markets in the Northeast. Based in Western Pennsylvania, Monaro is a partnership of Monadelphous and Mascaro Construction. 

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Our Projects

Onshore LNG Facilities

Gold Mine Expansion

Onshore Gas Plant 

Lime Handling System

Seamless Pipe Mill

Power Plant

Cryogenic Processing Facility

LNG Utilities and Acid Gas Removal Plant 


The safe way is the only way.


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Built on safety, quality, and productivity.


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Our multi-disciplinary markets are civil, structural, mechanical, and piping.


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Ready to make things happen and grow with us.


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