Piedmont Warehousing & Manufacturing Support: A woman-owned, full-service warehousing and manufacturing support company exceeding expectations since 1975
Transportation and material moving workers in the Greenville-Anderson-Greer metro averaged $19.93 an hour in the most recent BLS area survey. The national mean for that group was $23.44. That gap explains more about an Upstate 3PL quote than any other number on the page.
A quote usually arrives as one clean sheet. Storage, handling, a few extras, sign here. The structure underneath decides whether the number holds after the first busy month. Line items are where a provider prices its own risk. Reading them is the buyer’s job, and nobody else does it for you.
Labor Sits Under Almost Every Line
Storage is space. Almost everything else is people.
South Carolina counted 206,200 jobs in transportation and material moving in the 2025 OEWS survey. The average came to $20.64 an hour. Production sits higher at 179,000 jobs and $24.30, with a location quotient of 1.41. The Upstate carries more manufacturing labor per capita than most of the country, and a growing volume of containers landing near it.
That matters because a handling charge is a labor charge wearing a different name. A provider quoting low per-pallet storage and high per-touch fees is telling you where its costs actually sit. Read the two lines together or the comparison falls apart.
Storage Is the Simplest Line and the Most Misread
Three structures show up, and they are not interchangeable.
Per pallet position rewards uniform, stackable, full-pallet inventory. Per square foot suits odd-sized or floor-stacked material that a rack cannot hold. Per cubic foot tends to appear where product is light and bulky.
The trap is the billing cycle. Monthly, twice-monthly, and daily accrual produce different invoices for the same goods. Product that turns every three weeks costs different money under monthly billing than under daily. Confirm both quotes measure the same way before comparing them.
Handling Is Where Your Order Profile Shows Up
Inbound handling, outbound handling, and pick charges usually sit on separate lines.
A container that arrives floor-loaded takes hours to break down. The same volume on slip sheets or pallets takes a fraction of that. Some providers price by container, some by pallet, some by hour. Each choice shifts risk somewhere different.
On the outbound side, the question is what counts as a pick. A full case, an each, a mixed pallet, and a kitted assembly are four different amounts of work. A quote that prices them all the same is either generous or incomplete. The second is more common.
Light manufacturing complicates this further. Kitting, rework, and repackaging can sit inside the handling rate, or they can live on a separate schedule at a separate hourly rate. Ask which, because the answer moves real money on a program that runs every week.
Accessorials and the Fuel Index
Accessorials cover work that falls outside the standard flow. Rework, relabeling, pallet exchange, container destuffing, after-hours receiving, special reporting, and disposal tend to live here.
None of that is unreasonable. The problem starts when a manufacturer treats the accessorial page as boilerplate, then runs a business that touches it weekly.
Fuel surcharges deserve their own read. Most drayage and delivery surcharges index to the EIA weekly on-highway diesel price rather than to a provider’s judgment. That number moves. On August 10, 2026, the national average sat at $5.257 a gallon. It had dropped 9.1 cents on the week and still sat roughly $1.50 above the same week a year earlier. A surcharge table built in a cheaper year reads differently once diesel climbs.
Minimums Decide Your Slow Quarter
Monthly minimums, minimum storage terms, and minimum pick quantities all do the same job. They protect the provider against volume that arrives smaller than forecast.
That is a fair thing for a provider to want. It is also the clause that turns a variable cost back into a fixed one. A manufacturer with steady volume rarely feels it. One with seasonal or tariff-driven swings feels it immediately, which is why inventory positioning belongs in the pricing conversation and not after it.
ISO 9001 Certified Is a Checkable Claim
Quality reaches the quote indirectly, through error rates, rework, and the cost of a mis-shipped order.
ISO 9001 is worth understanding here. ISO publishes the standard but does not certify anyone. Certification comes from independent certification bodies, which may hold accreditation from a national accreditation body. Certification is voluntary. It turns up most often in supplier approval processes, which is what a 3PL selection is.
So the claim is verifiable. Ask which body issued the certificate, when the last surveillance audit ran, and what the scope covers. A certificate covering one building and one process is not the same as one covering the operation a manufacturer plans to use. Scope is the detail that gets skipped, and it is the detail that decides whether the certificate means anything for your freight.
Questions to Put in Writing
- What is the billing cycle for storage, and does it accrue daily or monthly?
- What counts as one pick, and how are mixed pallets and kitted units priced?
- Which accessorials apply to a floor-loaded container, and what hourly rate sits behind them?
- What index does the fuel surcharge follow, and how often does the table reset?
- What is the monthly minimum, and what happens in a quarter that comes in under it?
None of this makes a quote cheaper. It makes the quote comparable, which is the harder problem. Two providers can name the same headline rate and bill a manufacturer differently across twelve months. The difference lives in the sections most buyers skim.
Piedmont Warehousing: 3PL and Manufacturing Support in Spartanburg
Piedmont Warehousing & Manufacturing Support is a woman-owned, ISO 9001:2015 certified 3PL in Spartanburg, South Carolina, serving the Upstate since 1975. WBENC certification and five decades on the I-85 corridor sit behind the quote.
Our Services Include:
- 3PL Warehousing Solutions — Receiving, storage, order picking, fulfillment, and cross-docking, with clients using Piedmont’s system or integrating their own WMS
- Warehousing Services — Storage, shipping, EDI integration, RF scanning, and custom reporting
Want the line items walked through before you compare quotes?
Contact Piedmont Warehousing to talk through volume, SKUs, and order profile.
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 Labor Statistics. “Occupational Employment and Wages in Greenville-Anderson-Greer, SC — May 2024.” U.S. Department of Labor, 21 May 2025, www.bls.gov/regions/southeast/news-release/2025/occupationalemploymentandwages_greenvillesc_20250521.htm.
International Organization for Standardization. “ISO 9001 Explained.” ISO, 26 Jan. 2026, www.iso.org/home/insights-news/resources/iso-9001-explained.html.
South Carolina Department of Employment and Workforce. “2025 Occupational Employment and Wage Statistics Released.” SC DEW, 5 June 2026, dew.sc.gov/labor-market-information-blog/2026-06/2025-occupational-employment-and-wage-statistics-released.
U.S. Energy Information Administration. “Gasoline and Diesel Fuel Update.” EIA, 11 Aug. 2026, www.eia.gov/petroleum/gasdiesel/.