Best FBA prep centers for Walmart WFS.

Michigan-based FBA prep center operating since 2005, owner-operated by Nathan and a small team. Specializes in small-to-mid wholesale and private-label Amazon sellers who want direct phone and email access to the operator. 24 to 48 hour turnaround. 14 days inventory storage included on every tier. Repeatedly recommended on FBA seller forums and podcasts; the personalized-service position is the moat.

Yellowstone Prep and Ship is an Amazon, Walmart, and eBay prep operation in Billings, MT, a sales-tax-free state, run by owner Katy Byrd since 2022. The per-unit card is public and budget-priced: $1.25 per unit sliding to $0.50 at 10,000+ units a month with FNSKU labeling included, a $75 one-time registration, and 24-48 hour typical turnaround. It carries the deepest third-party review record of the Montana centers we list: 55 dated reviews at 5.0 on a prep-industry directory spanning 2024 to 2026, plus a 4.5-of-5 Walmart marketplace seller rating. This listing carries a warning for two reasons: inventory left over 90 days with unpaid storage becomes the operator's property under their posted terms, and the website still contains live Wix template debris (a placeholder shop and template service pages), so use the price sheet and direct contact, not the site's stray pages. Note for comparison shoppers: another Billings operator we list, Tailwind Pack & Ship, publishes a rate card and terms identical to this one; Yellowstone's is the older operation.

Dollan Prep Center is a tax-free Delaware FBA prep center at 210 Executive Dr in Newark, serving wholesale, private-label, and online-arbitrage Amazon sellers. Labeling runs from $0.30/unit at high volume up to $1.10 to $1.45/unit at standard volume, with most shipments checked in within 24 to 72 hours and billing settled weekly via Stripe. Onboarding is currently limited to sellers moving at least 400 units per month. Alongside FBA prep it also offers FBM fulfillment, Walmart WFS prep, eBay fulfillment, an FTL inbound-freight program, and storage, so confirm scope if you want a prep-only relationship.

A tax-free Montana prep and ship operation in Billings handling FBA, FBM, DTC, and Walmart WFS. Per-unit prep runs $1.25 for 1 to 49 units and scales to $0.50 at 8,000+ units, with a one-time $50 registration fee and storage free for the first 30 days then $20 per SKU per month. The site posts a full line-item rate card rather than a quote-on-request page, and states it is Licensed and Insured and accepting new clients.

Brown Box Ninja is a Temple, Texas FBA prep center operating since 2014, run by managing member Amanda Sheppard. Per-unit FBA prep runs $0.90 to $1.30 per single unit (tiered by volume, no setup fee and no minimum order), covering inspection, FNSKU labeling, poly bagging, expiration dating, bundling, boxing, and shipping to Amazon, with a stated 1 to 2 business day turnaround. It handles retail and online arbitrage, wholesale, private label, and select hazmat. Beyond FBA prep it also offers merchant fulfillment, carton forwarding, kitting, cross-docking, and pallet storage at $20.00 per pallet per month, so it is a multi-service 3PL with FBA prep as the lead service.

406 Premier Prep is a Billings, Montana prep center handling Amazon FBA inbound prep, FBM, and Walmart WFS out of a sales-tax-free state. Per-unit prep runs $0.50 to $1.10 by volume, with a $25 one-time registration fee and a 50-units-per-week minimum; the rate covers receiving, inspection, label removal, and FNSKU relabeling. It also offers bundling, poly-bagging, and hazmat handling, and posts a full per-line-item price sheet rather than quote-on-request pricing. The operation runs FBA, FBM, and WFS channels; FBA prep is the primary, fully-priced service.

Oregon Prep Center is an owner-operated FBA prep center in Portland, Oregon, founded in 2023 and run by owner Conor Chang. Standard per-unit prep runs $1.70/unit (1-200 units) down to $1.05/unit (2,000+), with wholesale as low as $0.40/unit, free FNSKU labeling, free standard polybags, no monthly fees, and 7 days of free storage. Stated turnaround is 24 to 72 business hours, processing 7 days a week, with a client portal for real-time inventory and multi-carrier shipment tracking. Carries a 4.7 Google rating and a BBB A+ profile.

East Coast Prep and Ship is an FBA prep and ship operation in tax-free Wilmington, Delaware, prepping inbound inventory for Amazon FBA, Walmart WFS, Seller Fulfilled Prime, and DTC. Per-unit prep runs $0.80 to $1.50 across volume tiers, covering receiving, inspection, UPC covering, FNSKU labeling, and polybagging with suffocation warning. They handle wholesale, private label, and online arbitrage, with bin storage at $0.50 per cubic foot per month and pallet storage at $40 per month. Delaware's tax-free status means inbound products are not subject to sales tax.

HexPrep runs two FBA-prep and fulfillment warehouses, one in Oregon (tax-free) and one in Illinois (Chicago). Published rates on a page dated April 24, 2026: OA FBA and WFS prep at $1.50/unit (0-999/mo) or $1.25/unit (1,000+/mo), wholesale and private label at $1.00/$0.70, plus an itemized add-on and box menu. The homepage claims a 48-hour average turnaround, 99% accuracy, and 100+ active clients. Note the catch: outbound shipments under 20 units carry a $5.00 handling surcharge unless you are a recurring client, and packaging is billed separately. Beyond Amazon and Walmart prep, HexPrep also sells FBM/DTC fulfillment and two-step dropshipping.

FBA Champs is a New Jersey prep center handling Amazon FBA inspection, FNSKU labeling, polybagging, bundling, bubble wrap, and box packing, located about 35 minutes from Amazon's ABE8 warehouse in Florence, NJ. Per-unit prep runs $0.45 to $1.00 by volume with no contract, no sign-up fee, and no minimums, and they accept new sellers with low quantities. They also offer FBM multi-channel pick-and-pack, FBA returns processing, box and pallet forwarding, and monthly storage; FBA prep is the core service and these are add-ons. Turnaround is stated at 24 to 72 hours.

Network Prep is an Amazon FBA prep center in sales-tax-free Lafayette, Oregon, founded in late 2019 by Chaz and Trista Leslie of the Side Hustle Network YouTube channel. They run a 5,000 sq ft facility on a fixed weekly shipment schedule with a 1 business day turnaround. Base prep runs $1.00 to $1.65 per unit by monthly volume with polybags, bubble wrap, and shipping boxes included; they also handle hazmat, oversize, and merchant-fulfillment orders for Amazon and Walmart sellers. As of June 2026 the center runs an application-based intake with limited spots (the earlier waitlist-only status has lifted); the operator reviews every application and replies within 1-2 business days.

FBAPrep4U is a wholesale-only Amazon FBA prep center at 1685 Taylor Rd in Gahanna, OH, outside Columbus, with a public flat-rate card: $0.90 per single unit and $1.35 per bundle of up to 6 items, described on the homepage as having no other base fees. Resource-intensive items add $0.50 per unit, kitting runs $2.50 per unit, removal-order processing $1.50 per unit, and new single books $1.00 per unit at a 100-unit minimum. The center does not accept retail-arbitrage inventory, oversize items, or used books, and communicates shipments through ScanPower. The domain dates to January 2019 with a continuous web presence since 2020. We found no third-party reviews on Google, Trustpilot, or BBB, so reputation rests on the operator's own claims.

Urva Prep Center is a multi-service Amazon FBA and Walmart WFS prep operation in tax-free Newark, Delaware, running a primary 25,000 sq ft facility at 301 Ruthar Drive plus a 10,000 sq ft site in Bear. FBA and WFS prep is the productized core, with wholesale prep from $1.00 down to $0.55/unit by volume and online-arbitrage prep from $1.50 down to $1.00/unit. Alongside prep it offers FBM and DTC order fulfillment (same-day before the 7am EST cutoff), two-step dropshipping, FTL inbound consolidation at $0.20 to $0.50/lb, shrink-wrap, and a software dashboard. Storage is free for 14 days then $0.01/unit/day. Hazmat is accepted. Because it runs fulfillment alongside prep, confirm scope directly if you want a prep-only relationship.

Proven Prep is a Portland, Oregon prep center and 3PL operating out of a 17,000 sq ft tax-free Oregon facility, with a second location in South Carolina. Published FBA prep runs $0.85 to $1.25 per unit and covers FNSKU labeling, polybagging, box content labels, suffocation and expiration labeling, removal orders, and online-arbitrage and wholesale prep, with a stated 24 to 48 hour turnaround. Both facilities are FDA-registered and temperature-controlled. It is a full-service 3PL, so the same operation also runs DTC, FBM, and B2B fulfillment from one inventory pool; FBA prep is one division, not the whole business.

Boxy Prep is a family-run Amazon FBA prep and fulfillment center in Hastings, Michigan, started by former Amazon sellers who built the service they wanted to use themselves. It runs roughly 5,000 sq ft of climate-controlled warehouse space with loading docks, and leads with straightforward per-unit prep pricing so sellers can calculate costs before buying. Core work is FBA prep (FNSKU labeling, polybagging, bubble wrap, expiration labeling, custom boxing, multipack kitting); it also handles wholesale and bulk sticker-only freight, DTC pick-pack across 300+ channels via ShipStation, and LTL shipping, so it is multi-service with FBA prep as the lead.

Extra Mile Prep runs a 40,000 sq ft FBA and FBM prep warehouse in Alpharetta, GA, just north of Atlanta off Highway 400. Founded by former Amazon and eBay sellers, it advertises a 48 hour turnaround on wholesale and private label items, no contracts, and no monthly fees. Services cover FBA prep, FBM/D2C fulfillment, pallet storage, and kitting and bundling, with 24/7 warehouse surveillance and a no-setup-fee large-volume tier. Base per-unit pricing is quote-only; the published rate is bundle add-ons at $0.25 per additional item.

Stock and Ship is an Oregon 3PL and FBA prep center in Springfield, near the Port of Portland, run out of an 11,000 sq ft tax-free warehouse. Founded in 2021 by Ankur Kathuria, it offers Amazon FBA and Walmart marketplace prep (FNSKU labeling, polybagging, inspection, bundling, kitting) alongside DTC and FBM fulfillment, storage, sourcing, and returns, so FBA prep is one division of a multi-service operation. Per-unit prep runs $0.95 to $1.75 by volume, with receiving, inspection, FNSKU labeling, polybags, and 14 days of storage included. Stated turnaround is 24 to 48 hours; intake is gated to sellers with 6+ months of Amazon history shipping at least 500 units per month.

Carolina Prep & Ship is a family-owned Amazon FBA and e-commerce prep center operating from a 55,000 square foot warehouse in Apex, North Carolina, near Raleigh. Per-unit prep starts at $0.65 (receiving and inspection, FNSKU labeling, box pack and label), with add-ons for poly bagging, bubble wrap, and bundling published openly. Beyond FBA prep, the operation also offers storage and FBM, direct-to-consumer, and B2B order fulfillment for Walmart, eBay, and other channels, so it is multi-service with FBA prep as the lead. It handles single-SKU boxes through multi-pallet, multi-SKU shipments.

Marketplace Prep is an Amazon FBA prep center in Fort Worth, Texas, founded by James McConnell and operating since 2020. It is a multi-service operator that also offers DTC, wholesale, Walmart WFS, and B2B fulfillment, with Amazon FBA prep as its productized core. Volume-tiered per-unit prep runs from $1.50/unit (500 to 1000 units per month) to $0.75/unit (3000+), with nine core services included per tier and an itemized add-on schedule. Third-party reviews are on Trustpilot (4-star across 11 reviews) and Clutch.

Amazon FBA prep center based in Huntley, IL with a second location in Algonquin, IL. Operating FBA prep since 2017 under parent AMSCO Distributing LLC, with the dedicated amscoprep.com brand domain spun out in 2024. End-to-end FBA compliance: FNSKU labeling, polybagging, kitting, bundling, case forwarding, returns processing. Amazon SPN certified. 24-72 hour turnaround with same-day shipping for orders received by noon. Also offers DTC fulfillment, B2B distribution, Walmart WFS, and subscription box fulfillment for sellers running multi-channel inventory. ShipHero WMS with real-time inventory tracking. No startup fee, no long-term contract.