Johnson & Lesley Construction Company is a site development and grading contractor based in Columbia, SC. They specialize in heavy civil construction projects for commercial contractors, private developers, and government entities. Their services include erosion control, water, sewer, and storm drain installation, earthwork and grading, as well as concrete and asphalt paving. One notable capability is their unlimited license in South Carolina for grading, water and sewer, asphalt, concrete paving, and bridges. Founded in 2001, the company has over two decades of experience in the industry.

Noel Construction is a contractor company based in Columbia, SC, specializing in septic system installation and repair, pond construction and maintenance, land management, and stormwater pond services. They provide a range of services including engineered septic systems, retention pond inspection and repair, demolition, clearing, grading, and water management such as pond dredging and dam repair. Noel Construction serves industrial, commercial, and residential clients, helping manage water flow and maintain properties to meet county and FEMA requirements. The company holds a Masters License - Tier 3 septic contractor certification and offers comprehensive land and water management solutions.