c Five One
c Five One
ENGINEERING . CONSULTING . SOLUTIONS

Welcome

We strive to empower municipalities and utilities with resourceful engineering solutions, ensuring their operational success and the satisfaction of the communities they serve.

Our Services

Public Utilities Consulting

Water and Wastewater Engineering

Public Utilities Consulting

 Our staff has a broad expertise in public utilities operations. Collectively we have operated at all levels within the utility. Every discussion and decision is funneled though our experience in meter reading, utility billing, maintenance and repairs, new installations, land use ordinance, state/local regulations, and funding opportunities.  

Utility Plan Review

Water and Wastewater Engineering

Public Utilities Consulting

 With the Upstate’s rapid growth, managing development demands can be overwhelming. We specialize in utility plan reviews, capacity evaluations, and construction inspections to ensure compliance without overburdening your internal staff. Whether you need a primary reviewer or on-demand support, we are ready to assist.

Water and Wastewater Engineering

Water and Wastewater Engineering

Water and Wastewater Engineering

Our founder and president Cory Cox is a licensed engineer in South Carolina. His experience in public utilities influences all of his water and wastewater designs. At Five One operations and maintenance are always at the forefront of every deign.  

Asset Management

Asset Management

Water and Wastewater Engineering

Utility assets are often left and forgotten until the emergency happens. Asset Management is a key piece of every organizations work flow. We have built asset management programs from the ground up. 

PFAS

Asset Management

Grant Writing

PFAS is quickly becoming a household term but utility scale solutions are still in their infancy. We can help you navigate this new issue.  

Grant Writing

Asset Management

Grant Writing

Let us help you find the money. 


We have experience in RIA, USDA, SRF and ARC grants. We can walk with you from application to final audit. 

Contact Us

Cory Cox, PE

Founder & Principal

cory@c51.design

(864) 910-0246

Contact Us

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We're Hiring!

Join Our Team

Five One needs additional Engineering Talent. 

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