About Us

Group of workers in safety vests and helmets on a construction site.

Turnkey Specialty Construction Solutions

HASSCO, LLC is a full-service, multi-disciplined specialty construction company delivering underground and heavy civil solutions across the Industrial, Commercial, and Municipal sectors.

With over 80 years of collective experience, our team provides innovative, efficient, and safety-focused solutions for projects ranging from small-scale installations to complex infrastructure systems.

Construction site with a yellow excavator digging a deep trench, surrounded by dirt, a fence, and a cloudy sky during daytime.

What We Do

We specialize in:

  • Site Work & Utilities Construction

  • Earth Retention & Trench Shoring

  • Pile Driving & Deep Foundations

  • Dewatering & Groundwater Control

  • Hydro / Vacuum Excavation

  • Boring & Tunneling

HASSCO is your single-source specialty contractor, providing the complete package of underground services with the convenience of working with one trusted partner.

Construction workers operating heavy machinery on railroad tracks, with a large yellow excavator moving a rail section and a train crossing signal nearby.
HASSCO crews performing a trenchless jack and bore installation inside an engineered trench shoring system. Workers use specialized boring equipment to install underground utility pipe while maintaining excavation safety and line-and-grade control.
HASSCO crews installing underground utility infrastructure utilizing engineered trench shoring systems and excavation support adjacent to active airport facilities.

Our Commitment

Our vision is simple: Get the job done right and on time.

Through advanced equipment, proven methods, and a team built on experience and accountability, we deliver safe, cost-effective solutions while maintaining strong client partnerships.

HASSCO performing pile driving operations for deep foundation construction supporting heavy civil, transportation, and infrastructure projects.

HASSCO is proud of our legacy of excellence built on Safety, Innovation, and Results.

HASSCO crews conducting trenchless tunneling operations for underground utility installation and infrastructure improvements in challenging ground conditions.
HASSCO performing heavy civil construction and underground utility installation utilizing specialized equipment for municipal, industrial, and commercial infrastructure projects.

A HASSCOGROUP Company

As part of The HASSCOGROUP of Companies, HASSCO works closely with HASSCORE to ensure every project is supported with proper stormwater compliance and erosion control. While HASSCO focuses on excavation, trenchless installation, and heavy civil construction, HASSCORE provides SWPPP implementation, routine site inspections, erosion and sediment control installation, and ongoing maintenance to keep projects compliant and protected. This partnership ensures sites remain stabilized, meet regulatory requirements, and maintain environmental compliance throughout construction and beyond.

Visit us at www.HASSCORE.com

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