Conex box, shipping container, storage container: the words get used interchangeably, but each has a backstory. Here is the field guide for South Carolina buyers, with specific notes for Charleston and the Lowcountry tri-county and the surrounding communities, including Mount Pleasant, North Charleston, Summerville, Goose Creek, Hanahan.
The word conex (sometimes spelled CONEX) is short for "container express," a term coined by the United States military in the 1950s for a standardized steel shipping container used to move equipment and supplies during the Korean War. The original CONEX boxes were 8.5 feet by 6 feet by 6.8 feet, much smaller than today's intermodal units, but the principle was identical: a stackable, lockable, weatherproof steel box that could move by truck, rail, or ship without unpacking.
By the late 1960s the commercial shipping industry had standardized on 20-foot and 40-foot intermodal containers, the units you see on every cargo ship and rail line today. The military term stuck in everyday speech. In South Carolina, contractors, farmers, and homeowners still call any large steel storage box a conex, even when the unit is technically an ISO shipping container or a purpose-built storage container.
For practical buying purposes the three terms describe the same thing across South Carolina: a corrugated steel container, 20 or 40 feet long, with cargo doors on one end, designed to keep wind and water out for decades.
The vocabulary lines up like this:
If you are shopping for storage, the difference rarely matters. The same physical unit can be sold as any of the three. What matters more is the size, the condition grade, and the delivery logistics.
South Carolina customers typically choose from three sizes:
Specialty sizes (10-foot, 45-foot, refrigerated, double-door, side-opening) exist but are less common. We can source them on request.
Demand in South Carolina is anchored by Automotive manufacturing. BMW Manufacturing at Greer in Spartanburg County is the company's largest plant by output anywhere in the world, Volvo Cars builds at Ridgeville in Berkeley County, and Mercedes-Benz Vans assembles at Ladson. The supplier parks around all three run on overflow and staging storage., Tire and rubber. Michelin North America is headquartered in Greenville with plants across the Upstate, Bridgestone runs operations in Aiken County, Continental Tire is in Sumter, and Giti Tire built at Richburg in Chester County. These plants and their logistics partners are steady container buyers., Ports and drayage. The South Carolina Ports Authority runs the Wando Welch Terminal at Mount Pleasant, the North Charleston Terminal and the Hugh K. Leatherman Terminal, plus inland ports at Greer and Dillon. Drayage carriers, warehouses and freight forwarders around all five need on site storage., Aerospace. Boeing South Carolina builds the 787 in North Charleston, and the supplier and MRO base around it, along with Lockheed Martin in Greenville, keeps tools, tooling and parts in containers between programs., Coastal tourism and hospitality. The Grand Strand from Little River to Pawleys Island, Hilton Head Island, and historic Charleston support rental management companies, watersports and beach service operators, event and festival crews and golf course maintenance teams, most of whom store gear through the off season., Residential construction. Horry, Berkeley, Dorchester, York, Lancaster and Beaufort counties are among the fastest growing in the country, and framers, roofers, electricians and remodelers are the single most common container buyer in every one of them., Row crop and specialty agriculture. Cotton, soybeans, peanuts and tobacco across the Pee Dee, peaches on the Ridge around Ridge Spring, Johnston and Monetta and in Spartanburg County, and watermelons and produce in the Lowcountry all run on seasonal storage that has to lock., Timber and forest products. Pine plantations, chip mills and paper operations across the Pee Dee, the Sandhills and the Lowcountry keep containers at landings, gates and equipment yards year round., Energy and nuclear. The Savannah River Site near Aiken and its contractor base, the V.C. Summer station in Fairfield County, Duke Energy's Oconee and Catawba stations and Santee Cooper's operations around Moncks Corner all support contractors who need secure, weather tight storage on site., Military installations and their contractor base. Joint Base Charleston, Marine Corps Recruit Depot Parris Island and MCAS Beaufort, Fort Jackson at Columbia and Shaw Air Force Base at Sumter anchor a wide base of contractors who store tools and parts within reach of the gate., Textiles and technical materials. The Upstate mill corridor did not disappear, it changed products. Milliken is headquartered at Spartanburg, Glen Raven runs in the region, and the successor advanced materials and nonwovens plants across Greenville, Spartanburg, Laurens and Cherokee counties use containers for raw stock and finished goods staging., alongside residential construction and the storage cycle that tropical systems and their inland remnants drives.
The uses we see most often:
Three questions narrow the decision quickly:
Conex boxes are delivered on a tilt-bed (sometimes called a roll-off) truck. The driver tilts the bed up, and the container slides off onto your placement site. Most deliveries follow the same physical sequence:
Delivery timing is honest, not aspirational. Across South Carolina:
Permit rules depend on the municipality. Rural counties often have no requirement at all for a temporary storage container. Urban codes are stricter, and some HOAs prohibit container placement entirely. Before ordering, check with your local building or planning department, and verify HOA rules if they apply. Our local guide walks through the most common scenarios: container permits in South Carolina.
Pricing is ZIP-specific, because distance from the serving depot drives a meaningful part of the total. South Carolina delivered pricing: starting at $2,078 for a 20ft Wind and Water Tight container delivered in Charleston. Price always includes delivery. That figure is an anchor for the best-served part of the state, not a quote for every address, and it was captured live on 2026-08-06.
We do not publish statewide price tables on this page, because they are inaccurate the moment they are written. Tell us your ZIP and what you need, and we will send back an all-in number with delivery included. No haul fee surprises, no padded line items. If you would rather spread the cost, ask about rent-to-own when you call.
Tell us your South Carolina ZIP and what you need. We will send back an all-in price including delivery to your address.