NAICS 3324

Boiler, Tank, & Shipping Container Manufacturing

Boiler, tank, and shipping container manufacturing (NAICS 3324) produces industrial equipment serving energy, chemical, and logistics industries with ASME-compliant products.

Industry at a Glance

Sector-wide aggregates across all businesses classified under NAICS 3324 (2017 classification frame). For specific sub-industries within this sector, see the individual reports below.

Employment
89K
US Census CBP · 2023 · NAICS 2017
Establishments
1,337
US Census CBP · 2023 · NAICS 2017
Annual Payroll
$6.8B
US Census CBP · 2023 · NAICS 2017
Avg Annual Wage
$76,901
Derived from US Census CBP · 2023 · NAICS 2017
Market Size
$43.7B
US Census Economic Census · 2022 · NAICS 2017

Industry Overview

Boiler, tank, and shipping container manufacturing (NAICS 3324) encompasses the production of industrial boilers, metal tanks, and shipping containers used across multiple sectors including energy, chemical processing, food and beverage, transportation, and storage industries. This industry group manufactures both standard and custom-engineered products ranging from small pressure vessels to large-scale industrial boilers and intermodal shipping containers. As a critical component of the broader fabricated metal products sector, these manufacturers serve as essential suppliers to power generation facilities, refineries, petrochemical plants, food processors, and logistics companies. The industry combines precision metalworking, welding, quality assurance, and engineering expertise to produce equipment that meets stringent safety and regulatory standards including ASME, DOT, and EPA compliance requirements.

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Market sizing, workforce analysis, competitive landscape, regulatory environment — all sourced from Census, BLS, FRED, and SEC EDGAR.

Industry Trends

01

Increasing adoption of automation and robotic welding systems to improve production efficiency, reduce labor costs, and enhance quality consistency in high-volume manufacturing operations.

02

Growing demand for specialized containers and tanks designed for renewable energy applications, including thermal storage systems and hydrogen fuel cell infrastructure.

03

Heightened focus on sustainability practices including lightweighting initiatives to reduce material usage, improved recycling protocols, and development of containers optimized for circular economy models.

04

Expansion of intermodal shipping container production driven by e-commerce growth and supply chain resilience investments, with manufacturers investing in capacity to meet sustained global logistics demand.

05

Integration of IoT sensors and digital monitoring systems in industrial tanks and containers to enable real-time tracking, predictive maintenance, and enhanced safety monitoring for clients.

Frequently Asked Questions

What is NAICS 3324? ▾
NAICS 3324 is the North American Industry Classification System code for boiler, tank, and shipping container manufacturing. It includes establishments primarily engaged in fabricating boilers, industrial storage tanks, shipping containers, and related pressure vessels from metal stock. These manufacturers produce equipment used in power generation, chemical processing, transportation, and storage applications across diverse industries.
What are the main product categories within this industry? ▾
The industry produces three primary categories: industrial boilers used for steam generation in power plants and manufacturing facilities; storage and pressure tanks for chemicals, petroleum, food products, and water; and shipping containers including standard 20 and 40-foot containers, specialized containers for hazardous materials, and tank containers for liquid transport. Manufacturers may specialize in one category or produce across multiple segments.
What regulatory standards govern this industry? ▾
Manufacturers must comply with ASME (American Society of Mechanical Engineers) standards for pressure vessels and boilers, Department of Transportation (DOT) regulations for shipping containers, EPA environmental standards, and state-specific industrial safety codes. These stringent requirements ensure product safety, structural integrity, and environmental compliance across all applications.
How does this industry support the US economy? ▾
This industry is vital to US economic infrastructure by supplying essential equipment to energy, manufacturing, chemical, food processing, and transportation sectors. The industry supports thousands of jobs in skilled trades and engineering, contributes to supply chains serving Fortune 500 companies, and enables critical functions including power generation, industrial production, and global commerce logistics.
What are the key competitive factors in boiler and tank manufacturing? ▾
Competition centers on manufacturing capabilities including welding expertise and precision fabrication, ability to meet ASME and regulatory certifications, production capacity and lead times, pricing competitiveness, quality consistency, and technical support services. Larger manufacturers compete on scale and efficiency while specialized producers differentiate through custom engineering services and niche market expertise.

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