Here are the best kitting and fulfillment services. Switching to PNW Warehousing cut our kitting costs by 60%. Their team Handles USDA audits for every batch (included in storage fees). They use compostable void fill and recycled tape. And the charge is $1.50/box for inserts, labels, and shrink-wrapping. When a retailer demanded 5,000 holiday boxes in 72 hours, they delivered flawlessly. Their dashboard shows real-time photos of assembly lines—no more surprise errors.