3PL Signal

Field guides, operational how-tos, and market analysis for warehouse and 3PL operators.

Published by American Warehouse Index. All data is sourced publicly, all analysis is ours, and none of it is written for or influenced by vendors — no product rankings, no affiliate links, no sponsored placements. The longer field guides are maintained: we revise them as rules and market conditions change.

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7-part guideTechnology & Systems

What to Put in a WMS RFP (Before the Vendor Writes It for You)

Nearly every WMS RFP template on the first page of Google was written by a vendor. This guide gives you a structured RFP process you can run on your own terms — no product rankings, no affiliate links.

5-part guideField Guide

Warehouse KPIs That Actually Matter: What to Measure and What to Ignore

Most warehouse KPI lists are written by people selling software. This guide covers the eight metrics experienced operators actually run on, how to calculate each one honestly, what good looks like for different operation types, and the measurement mistakes that make a number worse than useless.

4-part guideField Guide

The Complete Guide to OSHA Warehouse Safety Standards

OSHA renewed its warehousing National Emphasis Program on July 31, 2026, extending targeted inspections for another five years. This is the standing reference for the 29 CFR 1910 standards that actually get cited in warehouses — what each one requires, and where operators get caught.

4-part guideField Guide

Warehouse Lease Terms Explained: What Every Operator Needs to Know Before Signing

The base rent on a listing flyer tells you almost nothing about what you'll actually pay. This guide breaks down NNN, CAM, escalation clauses, and the lease provisions that matter most for warehouse operators.

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Operational How-To17 min readEvergreen

How to Set Up a Cycle Count Program from Scratch

Cycle counting replaces the painful annual physical inventory with smaller, more frequent counts. This guide walks through setting up a program from zero — methodology, scheduling, tolerance thresholds, variance investigation, and tracking accuracy over time.

3PL SignalMar 31, 2026

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