Insights

Undergrounding Need Petra operates in civil engineering with a focus on undergrounding utilities using robotic bore technology, presenting a compelling value proposition for utility providers and municipal authorities seeking disaster-resilient, space-efficient infrastructure.

Safety and Resilience The mission to make utility undergrounding ubiquitous and affordable aligns with demand for safer, more resilient urban grids, creating cross-sell opportunities with city planners, emergency management, and utility operators concerned about disaster-prone areas.

Tech Competence A tech stack based on AWS, C++, Linux and robotics design enables scalable deployment and integration with existing asset management and monitoring systems, signaling potential for long-term maintenance contracts and upgrades.

Funding Readiness Petra’s funding history and SPAC-related merger context signal access to capital and growth plans, which can be leveraged to position joint ventures, pilots, and large-scale project collaborations with public sector entities.

Market Fit With a small to mid-size team and a niche capability in hard rock tunneling for utilities, target opportunities include regional utility networks in disaster-prone regions, infrastructure modernization programs, and collaborations with engineering firms pursuing innovative underground solutions.

Similar companies to Petra

Petra Tech Stack

Petra uses 8 technology products and services including Varnish, Amazon Web Services, Google Workspace, and more. Explore Petra's tech stack below.

Media & News

Petra's Email Address Formats

Petra uses at least 1 format(s):
Petra Email FormatsExamplePercentage
FLast@petra.ccJDoe@petra.cc
67%
First@petra.ccJohn@petra.cc
25%
First.Last@petra.ccJohn.Doe@petra.cc
8%

Frequently Asked Questions

What is Petra's stock symbol?

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Petra is a publicly traded company; the company's stock symbol is PAIC.

What is Petra's official website and social media links?

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Petra's official website is petra.cc and has social profiles on LinkedInCrunchbase.

How much revenue does Petra generate?

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As of July 2026, Petra's annual revenue is estimated to be <$1M.

What is Petra's NAICS code?

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Petra's NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does Petra have currently?

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As of July 2026, Petra has approximately 65 employees across 3 continents, including North AmericaAsiaOceania. Key team members include Owner: J. A.Sr. Vice President Of Construction Management: G. S.Human Capital Leader: J. J.. Explore Petra's employee directory with LeadIQ.

What industry does Petra belong to?

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Petra operates in the Civil Engineering industry.

What technology does Petra use?

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Petra's tech stack includes VarnishAmazon Web ServicesGoogle WorkspaceMicrosoftWebflowC++LabVIEWNginx.

What is Petra's email format?

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Petra's email format typically follows the pattern of FLast@petra.cc. Find more Petra email formats with LeadIQ.

How much funding has Petra raised to date?

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As of July 2026, Petra has raised $33M in funding. The last funding round occurred on Jun 15, 2022.
Petra logo

Petra

Civil EngineeringCalifornia, United States51-200 Employees

Petra is a civil engineering-focused robotics company based in San Francisco that concentrates on undergrounding utilities. Its undergrounding robot is designed to bore utility tunnels through hard rock, including in areas prone to disasters. The company aims to make underground utility installation practical and affordable for communities, contributing to safer infrastructure. Its target customers are utilities and municipalities seeking resilient, long-term solutions to reduce exposure of critical services. In 2021, Petra Acquisition, Inc. announced a merger with Revelation Biosciences to become a publicly traded company.

Section iconCompany Overview

Website
petra.cc
Stock Symbol
PAIC
NAICS Code
237 - Heavy and Civil Engineering Construction
Employees
51-200

Section iconFunding & Financials

  • $33M

    Petra has raised a total of $33M of funding over 4 rounds. Their latest funding round was raised on Jun 15, 2022as a series_unknown.

  • <$1M

    Petra's revenue is estimated to be in the range of <$1M

Section iconFunding & Financials

  • $33M

    Petra has raised a total of $33M of funding over 4 rounds. Their latest funding round was raised on Jun 15, 2022as a series_unknown.

  • <$1M

    Petra's revenue is estimated to be in the range of <$1M

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