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US NAICS 33429 | Industry Report

Alarm, Horn & Traffic Control Equipment Manufacturing in the US Industry Data and Analysis

EJ
Evan Jozkowski
Analyst New York, United States June 2025

Alarm, horn and traffic control equipment manufacturers create essential systems for a wide range of industrial, construction, institutional, retail and government markets. This market diversity creates some stability for the industry, with rebounding investment in industrial machinery, equipment and manufacturing structures creating opportunities for growth. Similarly, infrastructure spending programs have propped up construction markets. However, severe uncertainty from the pandemic, climbing inflation and tariff policies have tempered growth through the current period. Overall, revenue has expanded at an estimated CAGR of 0.6% to $5.0 billion, including a 4.1% jump in 2025, where profit recovered to 8.6% of revenue.

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What's included in this industry analysis

IBISWorld's research coverage on the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States includes market sizing, forecasting, data and analysis from 2015-2030. The most recent publication was released June 2025.

About this industry

What's this industry report about?

The Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States operates under the NAICS industry code 33429. This industry manufactures communications equipment including alarm systems, hazard detection systems, traffic signals, sirens and intercom systems. This industry excludes telephone apparatuses, radio and TV broadcast equipment and wireless communications equipment. Related terms covered in the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States include light-emitting diode (led), access control system, intercom system and intelligent transportation.

What's included in this industry?

Products and services covered in Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States include Vehicle and pedestrian traffic-control equipment, Alarms systems and Intercommunication systems.

What companies are included in this industry?

Companies covered in the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States include Spectrum Safety Solutions, Honeywell International Inc. and Johnson Controls International Plc.

Performance

What's included in the Performance chapter?

The Performance chapter covers detailed analysis, datasets, detailed current performance, sources of volatility and an outlook with forecasts for the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States.

Questions answered in this chapter include what's driving current industry performance, what influences industry volatility, how do successful businesses overcome volatility, what's driving the industry outlook. This analysis is supported with data and statistics on industry revenues, costs, profits, businesses and employees.

Products & Markets

What's included in the Products and Markets chapter?

The Products and Markets chapter covers detailed product and service segmentation, analysis of major markets and international trade data for the for the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States.

Questions answered in this chapter include how are the industry's products and services performing, what are innovations in industry products and services, what products or services do successful businesses offer and what's influencing demand from the industry's markets. This includes data and statistics on industry revenues by product and service segmentation and major markets.

Geographic Breakdown

What's included in the Geographic Breakdown chapter?

The Geographic Breakdown chapter covers detailed analysis and datasets on regional performance of the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States.

Questions answered in this chapter include where are industry businesses located and how do businesses use location to their advantage. This includes data and statistics on industry revenues by location.

Competitive Forces

What's included in the Competitive Forces chapter?

The Competitive Forces chapter covers the concentration, barriers to entry and supplier and buyer profiles in the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States. This includes data and statistics on industry market share concentration, barriers to entry, substitute products and buyer & supplier power.

Questions answered in this chapter include what impacts the industry's market share concentration, how do successful businesses handle concentration, what challenges do potential industry entrants face, how can potential entrants overcome barriers to entry, what are substitutes for industry services, how do successful businesses compete with substitutes and what power do buyers and suppliers have over the industry and how do successful businesses manage buyer & supplier power.

Companies

What's included in the Companies chapter?

The Companies chapter covers Key Takeaways, Market Share and Companies in the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States. This includes data and analysis on companies operating in the industry that hold a market share greater than 5%.

Questions answered in this chapter include what companies have a meaningful market share and how each company is performing.

External Environment

What's included in the External Environment chapter?

The External Environment chapter covers Key Takeaways, External Drivers, Regulation & Policy and Assistance in the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States. This includes data and statistics on factors impacting industry revenue such as economic indicators, regulation, policy and assistance programs.

Questions answered in this chapter include what demographic and macroeconomic factors impact the industry, what regulations impact the industry, what assistance is available to this industry.

Financial Benchmarks

What's included in the Financial Benchmarks chapter?

The Financial Benchmarks chapter covers Key Takeaways, Cost Structure, Financial Ratios, Valuation Multiples and Key Ratios in the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States. This includes financial data and statistics on industry performance including key cost inputs, profitability, key financial ratios and enterprise value multiples.

Questions answered in this chapter include what trends impact industry costs and how financial ratios have changed overtime.

Industry Data

What's included in the Industry Data chapter?

The Industry Data chapter includes 10 years of historical data with 5 years of forecast data covering statistics like revenue, industry value add, establishments, enterprises, employment and wages in the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States.

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Frequently Asked Questions

What is the market size of the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States in 2026?

The market size of the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States is $5.0bn in 2026.

How many businesses are there in the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States in 2025?

There are 303 businesses in the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States, which has declined at a CAGR of 0.9 % between 2020 and 2025.

How may import tariffs affect the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States?

The Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States is likely to be impacted by import tariffs with imports accounting for a moderate share of industry revenue.

How may export tariffs affect the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States?

The Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States is likely to be impacted by export tariffs with exports accounting for a moderate share of industry revenue.

Has the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States grown or declined over the past 5 years?

The market size of the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States has been growing at a CAGR of 0.6 % between 2020 and 2025.

What is the forecast growth of the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States over the next 5 years?

Over the next five years, the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States is expected to grow.

What are the biggest companies in the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States?

The biggest companies operating in the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States are Spectrum Safety Solutions, Honeywell International Inc. and Johnson Controls International Plc

What does the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States include?

Vehicle and pedestrian traffic-control equipment and Alarm systems are part of the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States.

Which companies have the highest market share in the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States?

The company holding the most market share in the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States is Spectrum Safety Solutions.

How competitive is the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States?

The level of competition is moderate and steady in the Alarm, Horn & Traffic Control Equipment Manufacturing industry in the United States.

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