Underground Construction Services
Built for Reliability 

At Rath Underground, we understand that Minnesota’s infrastructure requires more than just equipment—it requires precision, safety, and a partner who respects the landscape. From fiber-optic backbones to essential utility conduits, we provide turnkey solutions that keep our communities connected. Whether you are a rural co-op, a municipal provider, or a telecom firm, you can rely on our GPS-guided installation and strict safety protocols to deliver high-capacity networks that stand the test of time.

Fiber Optic Mainline Construction

We build the high-capacity fiber backbones that serve as the primary distribution routes for modern connectivity. Using GPS-guided technology and adhering to the highest engineering standards, we ensure long-term network performance and signal integrity for your infrastructure.

Last Mile Drop Bury Service

Bringing high-speed internet to homes and businesses shouldn’t disrupt the neighborhood. Our crews utilize compact, low-impact equipment to install service drops with minimal footprint. We prioritize meticulous property restoration, ensuring every site looks as pristine as when we arrived.

Utility Conduit Installation

Precision is at the heart of our utility work. We install secure conduits for telecom, electric, water, and municipal projects. Whether you are upgrading aging infrastructure or supporting a new development, we deliver dependable, protected underground pathways designed for future-proof reliability.


Rural Broadband Construction

Connecting rural Minnesota is a passion of ours. We offer scalable, cost-effective construction solutions tailored specifically to the needs of rural electric co-ops and local ISPs. We understand the unique challenges of rural environments and provide the expertise to bridge the connectivity gap efficiently.

Why Rath Underground

Precision & Safety

We use advanced GPS-guided technology and rigorous utility-locating protocols to ensure every project is completed accurately and safely.

Why Rath Underground

Regional Expertise

We are a Minnesota-based team with deep knowledge of local terrain, soil conditions, and regional regulatory requirements.

Why Rath Underground

Minimal Surface Impact

Our advanced trenchless methods—including directional drilling and vibratory plowing—reduce restoration needs and protect the aesthetics of your service area.

Why Rath Underground

Reliable Timelines

We respect your deadlines. Our crews are known for professional, efficient deployment that keeps your broadband and utility projects on track.

Ready to Start a Project?

Reach out for a quote or estimate.

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