Petra is a stealth startup company set out to transform the tunneling industry. Our mission is to save money, property, and lives by moving utilities underground. The company is developing a tunneling robot to efficiently and safely bore utility conduits through any geology. Petra's innovative technology is 10x faster and 1/10th the cost of most conventional tunneling methods, making small-diameter utility infrastructure economically viable.



Accounting & Finance

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Product

Operations

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Berkeley, CA, USA

Petra

Unreasonable Alchemy LLC

Unreasonable

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