SIC 4813
Telephone Communications (No Radiotelephone)
17 companies · 2 with disclosed financials
Total revenue (latest)
$65.95B
Total net income
$8.87B
Avg net margin
13.4%
Median net margin
13.4%
5-year industry trend
Total revenue summed across 17 companies in the most recent fiscal year. Median margin is the cross-sectional median per year.
Largest by revenue
- 1VZVERIZON COMMUNICATIONS INC
$201.89B cap · 14.6% margin · as of 2026-03-31
$34.44B
revenue
- 2TAT&T INC.
$173.22B cap · 12.2% margin · as of 2026-03-31
$31.51B
revenue
- 3UNITUniti Group Inc.
$2.68B cap
—
revenue
- 4NXPLNextPlat Corp
$15.7M cap
—
revenue
- 5SURGSurgePays, Inc.
$12.6M cap
—
revenue
- 6TDSTELEPHONE & DATA SYSTEMS INC /DE/
$2.05B cap
—
revenue
- 7CXDOCrexendo, Inc.
$311.5M cap
—
revenue
- 8NUVRNuvera Communications, Inc.
$85.5M cap
—
revenue
- 9FULOFULLNET COMMUNICATIONS INC
—
revenue
- 10CTBBQWEST CORP
—
revenue
- 11MACTMachTen, Inc.
—
revenue
- 12IQSTiQSTEL Inc
$8.6M cap
—
revenue
- 13HWNIHIGH WIRE NETWORKS, INC.
—
revenue
- 14IDTIDT CORP
—
revenue
- 15LUMNLumen Technologies, Inc.
$9.70B cap
—
revenue
- 16SLDCSolidus Communications, Inc.
—
revenue
- 17GLTKGlobalTech Corp
$229.6M cap
—
revenue
Insider activity in this industry · last 12 months
Insider buying
$1.4M
Insider selling
$44.5M
Net flow
−$43.1M
Distinct insiders
30
Open-market trades summed across all 3 companies in the industry where insiders bought. Sales counted across all companies regardless. Filed via SEC Form 4.
Recently filed in this industry
Related industries
About the Telephone Communications (No Radiotelephone) industry on ActaClear
ActaClear tracks 17 US-listed public companies classified under SEC SIC code 4813 (Telephone Communications (No Radiotelephone)). Combined latest-period revenue across the sector is $65.95B, with a median net margin of 13.4% per company.
Every name on this page links to a full company dashboard with 5-year SEC financials, live market data, ratios, AI-summarised business description, insider transactions, and institutional ownership. Data is sourced directly from SEC EDGAR XBRL filings and refreshed continuously.