NAICS 493

Warehousing & Storage

NAICS 493: U.S. warehousing and storage — industrial real estate, cold chain, self-storage, and fulfillment trends.

Published by VantaInsights Research·Methodology·Data Sources· AI-drafted
Built on data from Census Bureau CBP Bureau of Labor Statistics Federal Reserve FRED SEC EDGAR

Industry at a Glance

Sector-wide aggregates across all businesses classified under NAICS 493 (2017 classification frame). For specific sub-industries within this sector, see the individual reports below.

Employment
1.6M
US Census CBP · 2023 · NAICS 2017
Establishments
22K
US Census CBP · 2023 · NAICS 2017
Annual Payroll
$84.9B
US Census CBP · 2023 · NAICS 2017
Avg Annual Wage
$51,510
Derived from US Census CBP · 2023 · NAICS 2017
Market Size
$60.3B
US Census Economic Census · 2022 · NAICS 2017

Industry Overview

Warehousing and storage (NAICS 493) covers facilities that store goods for businesses and consumers, including general warehousing, refrigerated storage, farm product storage, and self-storage operations. The subsector employed approximately 1.9 million workers as of 2024 — nearly triple the 680,000 employed in 2014 — reflecting the massive buildout driven by e-commerce fulfillment demand. Prologis, the largest industrial REIT globally, owns or manages approximately 1.2 billion square feet of logistics space across the U.S., while Public Storage and Extra Space Storage dominate the self-storage segment with a combined 5,500+ facilities.

Warehouse vacancy rates dropped to historic lows of approximately 3% nationally by late 2022, though new construction deliveries in 2023-2024 brought vacancy back toward 6% in markets like the Inland Empire (Riverside-San Bernardino, California) and central New Jersey. Amazon leases or owns over 400 million square feet of U.S. warehouse space, making it the single largest occupier of industrial real estate. Cold storage capacity has expanded sharply, with Americold and Lineage Logistics (which merged with Bay Grove in 2023 to become the world's largest temperature-controlled REIT) operating a combined 3 billion+ cubic feet of refrigerated space. OSHA's general industry standards (29 CFR 1910) and specific forklift operation requirements (1910.178) are the primary workplace safety regulations governing warehouse operations.

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Industry Trends

REIT

Lineage Logistics' 2023 acquisition of Bay Grove created the world's largest temperature-controlled warehouse REIT, consolidating cold chain capacity as demand for pharmaceutical and grocery cold storage outpaces construction in markets like Dallas, Atlanta, and Chicago.

20%

Amazon's fulfillment network restructuring from national to regionalized zones reduced average delivery distance by 20%, shifting demand toward smaller urban infill warehouses and away from the massive 1-million-square-foot facilities built during its 2020-2021 expansion.

03

Warehouse automation adoption, led by Locus Robotics' autonomous mobile robots and Symbotic's AI-driven systems deployed at Walmart distribution centers, is reducing labor dependency per square foot while increasing throughput at facilities in high-cost labor markets.

04

The Inland Empire in Southern California, the nation's largest warehouse market, faces local pushback through ordinances like the Warehouse Indirect Source Rule adopted by the South Coast Air Quality Management District, which requires operators to reduce truck emissions or pay mitigation fees.

05

Self-storage REITs including Public Storage and Extra Space Storage are expanding into climate-controlled and premium-tier units in suburban growth corridors across Texas, Florida, and the Southeast, where household formation rates outpace national averages.

Specialty Reports Available on Request

4 specialty industriesavailable on request
▾
General Warehousing & Storage
493110View →
Refrigerated Warehousing & Storage
493120View →
Farm Product Warehousing & Storage
493130View →
Other Warehousing & Storage
493190View →

Industry Groups

Browse deeper into the NAICS hierarchy.

49310 reports

Warehousing & Storage

Frequently Asked Questions

What is NAICS 493? ▾
NAICS 493 classifies establishments operating warehousing and storage facilities for general merchandise, refrigerated goods, farm products, and personal belongings (self-storage). It excludes grain elevators that also buy and sell grain (classified under NAICS 424) and miniwarehouses primarily offering real estate rental without storage services. The subsector includes approximately 20,000 warehousing establishments and 52,000+ self-storage facilities.
Why did warehouse employment nearly triple between 2014 and 2024? ▾
E-commerce growth from roughly 6% of total retail sales in 2014 to over 22% by 2024 drove enormous demand for fulfillment center labor. Amazon alone added over 750,000 U.S. warehouse workers during this period. Same-day and next-day delivery expectations required geographically distributed inventory, multiplying the number of facilities needed. Despite growing automation, most facilities still rely heavily on human workers for picking, packing, and sorting operations.
What is the Inland Empire Warehouse Indirect Source Rule? ▾
Adopted by the South Coast Air Quality Management District in 2021, this rule requires warehouses larger than 100,000 square feet in the Inland Empire region of Southern California to reduce nitrogen oxide and particulate emissions from truck traffic or pay mitigation fees. Operators can comply through fleet electrification, solar panel installation, or air filtration systems. The rule reflects community concerns about pollution in a region hosting over 4,000 warehouses near residential neighborhoods.
How are Americold and Lineage Logistics reshaping the cold storage market? ▾
Lineage Logistics' 2023 merger with Bay Grove made it the world's largest temperature-controlled warehouse operator, with a global network exceeding 3 billion cubic feet. Americold, its closest competitor, operates approximately 1.5 billion cubic feet. Together they control a substantial share of U.S. cold storage capacity, which is critical for grocery e-commerce, pharmaceutical distribution, and the perishable food supply chain. Both companies are investing in automation and energy efficiency at scale.
What safety regulations specifically govern warehouse operations? ▾
OSHA's general industry standards (29 CFR 1910) cover warehouse operations, with specific emphasis on forklift safety (1910.178), walking-working surfaces, and fire protection. OSHA has conducted targeted enforcement at large fulfillment operations, including Amazon facilities, citing elevated injury rates. The National Fire Protection Association's NFPA 13 governs sprinkler requirements for high-pile storage. State-level additions, such as California's AB 701 requiring disclosure of warehouse worker quotas, add further compliance requirements.

Related Industries

Truck Transportation 484General Merchandise Stores 452Nonstore Retailers 454Professional, Scientific, & Technical Services 541Waste Management & Remediation Services 562

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