What is SIC code 4822?

SIC code 4822 represents the Telegraph & Other Message Communications industry. SIC (Standard Industrial Classification) is a four-digit code system used by the U.S. SEC to classify companies by their primary line of business. There are 5 public companies registered under this code in the SEC EDGAR database.

What is the largest Telegraph & Other Message Communications company by revenue?

TechTarget, Inc. is the largest company in the Telegraph & Other Message Communications industry by revenue, reporting $486.8M in FY2025 according to its SEC EDGAR 10-K annual filing. Companies in this industry with available XBRL data collectively reported $803.3M in revenue across their most recent fiscal years.

Telegraph & Other Message Communications

Q: How many public companies are in the Telegraph & Other Message Communications industry?

There are 5 SEC-registered public companies classified under SIC code 4822 (Telegraph & Other Message Communications) in the SEC EDGAR database.

SIC 4822 · 5 companies

This page lists all SEC-registered public companies classified under SIC code 4822 (Telegraph & Other Message Communications). SIC — Standard Industrial Classification — is a four-digit code system used by the SEC to group companies by their primary line of business. You can also view financial rankings for this industry.

The Telegraph & Other Message Communications industry includes 5 SEC-registered public companies. The largest by revenue is TechTarget, Inc., which reported $486.8M in FY2025. Companies in this industry with available XBRL data collectively reported $803.3M in revenue across their most recent fiscal years.

Company	Ticker	Exchange	State	Filings
Myseum, Inc.	MYSEW	NASDAQ	NV	215
Sekur Private Data Ltd.	SWISF	OTC	A1	11
TechTarget, Inc.	TTGT	NASDAQ	DE	121
WYTEC INTERNATIONAL INC	WYTC	OTC	NV	243
ZIFF DAVIS, INC.	ZD	NASDAQ	—	1,000