Piedmont Warehousing & Manufacturing Support: A woman-owned, full-service warehousing and manufacturing support company exceeding expectations since 1975
On April 28, 2026, South Carolina Ports reported a record year at Inland Port Greer: nearly 200,000 rail moves in 2025. The announcement says nothing about what happens to a container after it clears the gate. Warehousing near Inland Port Greer is the part of the story the record volume leaves open.
The Ramp Got Bigger
Greer opened in 2013 with one job: pull containers off the Charleston lane and set them within reach of Upstate plants. The model worked. Through its first decade the inland port averaged 13 percent annual growth, and it now serves more than 150 customers.
SC Ports finished a $55 million expansion to keep pace. The work raised annual rail lift capacity to 300,000 and widened the container yard by half. Crews also enlarged the chassis lot and laid 9,000 feet of track for longer trains. Norfolk Southern runs the Charleston shuttle overnight, six days a week. Gates stay open around the clock and turn times run near 11 minutes. A truck leaving Greer reaches roughly 94 million people inside a day.
That is real infrastructure. It is also, in plain terms, a transfer point.
The cluster around that ramp is real as well. The Federal Reserve Bank of Richmond counts roughly 2,450 advanced manufacturing, automotive, and related firms in the Upstate. That research ties the concentration to rail and highway access to Charleston. It also notes that communities without efficient port connections can lose the investment to communities that have them.
Rail Capacity Is Not Storage Capacity
A container clearing the gate at Greer has to go somewhere within hours. A chassis is not a rack. Per diem and detention start running, and the box turns into a cost line the moment it stops moving.
Plants on lean schedules feel this first. A line calling for parts twice a shift cannot absorb a full container at the dock. Someone breaks it down, counts it, puts it away, and releases it in the quantities the line actually consumes. That work happens inside a building.
Cross-docking changes the arithmetic on part of that volume. A container that lands ahead of the production schedule does not have to go into a rack at all. A crew can break it, sort it, and reload it onto an outbound trailer the same day. That keeps material moving and keeps storage days off the invoice.
So the story splits in two. Rail capacity at Greer went up in 2025. Floor space near Greer is a separate question. It is the one that lands on a plant manager’s budget. How much space a manufacturer commits to depends on turn rate, and inventory positioning has shifted this year.
Manufacturers Are Already Making the Call
On July 16, 2026, the South Carolina Department of Commerce announced that Detpak USA picked Spartanburg County for its first U.S. manufacturing operation. Detpak is a packaging supplier owned by Australia’s Detmold Group. The Spartanburg plant runs about 175,000 square feet on New Cut Road. More than 50 jobs arrive in the first phase, with production starting in August 2026.
Two details matter here. Detpak plans to run on a mix of imported and locally sourced raw material. That puts ocean containers and domestic freight through the same receiving door. SC Ports leadership also appears in the announcement, pointing to Greer as the link that makes the location work.
The pattern repeats along the corridor. A plant lands near I-85 and brings material in through Charleston and Greer. From there it needs receiving, staging, and outbound capacity. Its own four walls were not sized to carry that load.
Three Ways to Cover the Gap
Most manufacturers land on one of three answers. The right one depends more on volume pattern than on volume size.
Build. Capital, permitting, and a long construction cycle, in exchange for space that is fixed once it is finished. A good answer for a stable, high-volume flow. A poor one for material that arrives in waves.
Lease a shell. Faster than building, and the monthly cost holds steady even in a slow quarter. The building also arrives empty. Racking, forklifts, a warehouse management system, and a crew all come out of the same budget.
Use a third party. Space, labor, and systems come as a service, and the cost tracks volume more closely. The trade is contractual rather than physical, so what a 3PL quote actually covers deserves a careful read.
Questions Worth Asking Before Space Gets Committed
- How many containers a month actually come off the ramp, and how steady is that flow?
- What is the drayage distance from Greer to the building, and what does that add per box?
- Can the provider cross-dock a container straight to an outbound trailer when the line does not need it yet?
- Does the operation handle light manufacturing? Or do kitting, repackaging, and rework mean a second vendor and a second freight move?
- Is the quality system documented and audited, or is it a claim on a website?
One caution before anyone reads too much into a single record. BTS reported on August 13, 2026 that the Freight Transportation Services Index fell for a third straight month in June. The index landed 1.7 percent below June 2025. Air freight, rail carloads, pipeline, and water all pulled it down. Rail intermodal and trucking went the other way and rose. The national number and the Greer number describe different lanes.
Greer’s record year is a supply chain signal before it is a real estate one. The containers are arriving, and the ramp has room for more of them. What decides the landed cost is what waits at the other end of the drayage run. A floor, a crew, a scanner, and a system that knows which pallet feeds which line on which day.
Piedmont Warehousing: 3PL and Manufacturing Support on the I-85 Corridor
Piedmont Warehousing & Manufacturing Support is a woman-owned, ISO 9001:2015 certified 3PL in Spartanburg, South Carolina, serving the Upstate since 1975. Warehousing, fulfillment, and light manufacturing run under one roof, minutes from the I-85 corridor that feeds Inland Port Greer.
Our Services Include:
- 3PL Warehousing Solutions — Receiving, storage, order picking, fulfillment, and cross-docking with barcode scanning at each handoff
- Warehousing Services — Storage, shipping, and EDI-connected inventory visibility for manufacturers and distributors
Need a 3PL that also handles kitting, sub-assembly, and contract packaging?
Contact Piedmont Warehousing to talk through container volume, SKUs, and timing.
About the Author
Ada Wallace is President of Piedmont Storage and Repack, LLC, operating as Piedmont Warehousing & Manufacturing Support in Spartanburg, South Carolina. She brings more than 24 years in the warehousing and manufacturing support industries and leads the second generation of Wallace family ownership of a business founded in 1975. Under her leadership, Piedmont holds ISO 9001:2015 certification and Women’s Business Enterprise (WBE) designation, serving clients across Spartanburg, Greenville, Anderson, Cherokee, Laurens, and Union counties. She can be reached at awallace@piedmontwarehousing.com.
Works Cited
Bureau of Transportation Statistics. “The June 2026 Freight Transportation Services Index (TSI) Fell 0.3% from May 2026 and Fell 1.7% from June 2025.” U.S. Department of Transportation, 13 Aug. 2026, www.bts.gov/newsroom/june-2026-freight-transportation-services-index-tsi-fell-03-may-2026-and-fell-17-june-2025.
South Carolina Department of Commerce. “Detpak USA Selects Spartanburg County for First US Manufacturing Operation.” South Carolina Department of Commerce, 16 July 2026, www.sccommerce.com/news/detpak-usa-selects-spartanburg-county-first-us-manufacturing-operation.
South Carolina Ports Authority. “Inland Port Greer Is Proven Model for Short Haul Intermodal.” SC Ports Authority, 28 Apr. 2026, scspa.com/news/inland-port-greer-is-proven-model-for-short-haul-intermodal/.
Wells, Matthew. “South Carolina’s Globalized Economy.” Econ Focus, Federal Reserve Bank of Richmond, Third Quarter 2025, www.richmondfed.org/publications/research/econ_focus/2025/q3_feature1.