Onsite Civil and Mechanical LLC.

WHERE QUALITY & SAFETY COME FIRST

An experienced Heavy Civil & Mechanical Contractor helping build the Infrastructure of the United States.

CIVIL

Our team has a long-standing reputation of delivering on time and within budget projects while maintaining strict safety and quality control standards which are among the highest in the industry.

Our success is the result of our ability to establish and sustain long-term client relationships. These relationships are nurtured because we simply outperform other contractors.

Meet the team

MECHANICAL

A TRUSTED PARTNER

OCC has provided various services as a contractor for many facilities within our organization. I highly recommended them as a reliable service provider!

CARLOS PINEDA

LAFARGEHOLCIM (US) INC.
OCC has provided various services as a contractor for many facilities within our organization. I highly recommended them as a reliable service provider!

CARLOS PINEDA

LAFARGEHOLCIM (US) INC.

An experienced contractor providing Heavy Civil & Mechanical construction services across the United States.

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