803-232-1911


100 Woodward Lake Rd.
Trenton, SC 29847

RNM LLC, / Georgia-Lina Precast Management Team



Founder and Owner of RNM LLC / Georgia-Lina Precast

Robert Miller, Founder and Owner, RNM LLC / Georgia-Lina Precast
Robert Miller is an Eagle Scout and holds a BS degree in Geology from the University of South Carolina. He is certified by the American Concrete Institute (ACI). Robert is the third generation of the Miller's to work in the Cement, Ready Mix concrete and Concrete products industry. His grandfather, Lawrence E Miller Sr., and his father, Lawrence E Miller Jr, were the founders and part owners of Santee Portland Cement and Holly Hill Lumber Company.

While growing up, Robert worked in quarry, the shipping and pack house, the research and development lab, and the maintenance department at the cement mill learning the business. Upon graduating college the families sold the cement mill and the lumber business. At that time Robert went into business with his father and brothers running two concrete block and a redimix concrete operation. In 1989 Robert founded RNM LLC. / Georgia-Lina Precast.



Quality Control Manager and Owner

Matt Mill, Quality Control Manager and Owner
Matt Miller has 11 years experience in the production of precast products and has completed all of the PQS courses for quality control by the National Precast Association. He performs all inspections and testing of all concrete in the production of our precast products. He manages and keeps the plant in compliance with the NPCA plant certification program.


VP Operations

Colleen Byrne, Vice President
Colleen Byrne has been with the company since it's beginning. She has 21 years of experience and was worked in every department including production. Colleen manages the purchasing, payroll, inventory, accounts payable, and supply house order dispatching.



Estimator and Inside Sales

Ales Alexander, Outside Sales

Alex brings 9 years experience in production planning to Georgia-Lina Precast. His duties include take offs, estimating, quotes, submittals, work orders, production scheduling and dispatching deliveries.



Outside Sales

Todd Duncan, Outside Sales

Todd Duncan has over 17 years of experience in the precast industry. He has experience in all areas of the industry from production, estimating, managing work orders and sales. He is primarily responsible for outside sales, customer development, and customer relations.