Industry · SIC 4813
Telephone Communications (No Radiotelephone)
532 tracked issuers filing with the SEC under this industry classification.
Issuers
532
Recent filings
40
SIC code
4813
Industry overview
Telephone Communications (No Radiotelephone)
The Telephone Communications (No Radiotelephone) industry under SIC 4813 encompasses wireline and fixed-network providers delivering local and long-distance voice, VoIP, and high-capacity data services over copper and increasingly fiber infrastructure. Core offerings include residential landline and broadband bundles, enterprise voice and data circuits, PBX and unified communications, wholesale carrier backhaul, and secure connectivity for government and critical infrastructure clients. Typical customers range from households and small businesses to large corporates, public-sector agencies, and other telecom operators relying on robust, low-latency networks. Operators face heavy capital intensity, pricing pressure from over-the-top apps, cybersecurity and outage risks, and close oversight from regulators on interconnection, service quality, emergency access, and customer privacy. In 2024–2025, the sector is driven by fiber-to-the-premises rollouts, fixed-mobile convergence, cloud-based collaboration tools, and consolidation among regional carriers. Investors and industry analysts can track evolving strategies and risk disclosures by reviewing SEC filings for SIC 4813 companies on Earnings Feed.
Source: Earnings Feed research · Nov 23, 2025
Latest filings
- 6-KTIMBTIM S.A.571.5 KBSEC(opens sec.gov)
- 144ATEXAnterix Inc.5.9 KBSEC(opens sec.gov)
- 6-KTKCSEC(opens sec.gov)
- SCHEDULE 13GSHENSEC(opens sec.gov)
- 6-KPHIPLDT Inc.243.5 KBSEC(opens sec.gov)
- 144IDTIDT CORP6.0 KBSEC(opens sec.gov)
- 8-KNXPLNextPlat Corp173.5 KBSEC(opens sec.gov)
- 144VZSEC(opens sec.gov)
- 6-KPHIPLDT Inc.260.3 KBSEC(opens sec.gov)
- SCHEDULE 13G/ASHENSEC(opens sec.gov)
- 6-KTIMBTIM S.A.15.5 KBSEC(opens sec.gov)
- 8-KGLTKGlobalTech Corp150.5 KBSEC(opens sec.gov)
- 6-KTLKSEC(opens sec.gov)
- 6-KTLKSEC(opens sec.gov)
- 6-KTLKSEC(opens sec.gov)
- 6-KPHIPLDT Inc.252.1 KBSEC(opens sec.gov)
- 6-KAMXAMERICA MOVIL SAB DE CV/17.8 KBSEC(opens sec.gov)
- 144IDTIDT CORP4.6 KBSEC(opens sec.gov)
- 144IDTIDT CORP5.3 KBSEC(opens sec.gov)
- 144IDTIDT CORP4.6 KBSEC(opens sec.gov)
- 6-KTLKSEC(opens sec.gov)
- 6-KTLKSEC(opens sec.gov)
- 6-KPHIPLDT Inc.250.0 KBSEC(opens sec.gov)
- 8-K/ASURGSurgePays, Inc.232.3 KBSEC(opens sec.gov)
- 10-KIDTIDT CORP20.1 MBSEC(opens sec.gov)
- 8-KVZVERIZON COMMUNICATIONS INC442.8 KBSEC(opens sec.gov)
- 144VZSEC(opens sec.gov)
- 8-KSURGSurgePays, Inc.202.1 KBSEC(opens sec.gov)
- 8-KIDTIDT CORP1.8 MBSEC(opens sec.gov)
- 8-KIQSTiQSTEL Inc398.2 KBSEC(opens sec.gov)
- 6-KTIMBTIM S.A.24.9 KBSEC(opens sec.gov)
- 6-KTIMBTIM S.A.29.9 KBSEC(opens sec.gov)
- 6-KTKCSEC(opens sec.gov)
- 6-KTKCSEC(opens sec.gov)
- 8-KLUMNLumen Technologies, Inc.278.8 KBSEC(opens sec.gov)
- 6-KPHIPLDT Inc.62.0 KBSEC(opens sec.gov)
- 6-KTKCSEC(opens sec.gov)
- 6-KTKCSEC(opens sec.gov)
- 8-KIDTIDT CORP165.4 KBSEC(opens sec.gov)
- 6-KPHIPLDT Inc.60.9 KBSEC(opens sec.gov)
Featured issuers
- 21ST CENTURY WIRELESS GROUP INCCIK 0001008115
- 360 COMMUNICATIONS COCIK 0001003959
- ACC CORPCIK 0000783233
- Access-Power & Co., Inc.CIK 0001041588
- ADELPHIA BUSINESS SOLUTIONS INCCIK 0001017648
- AEROTELESIS INCCIK 0000017544
- AIRGATE PCS INCCIK 0001085302
- AIRGATE PCS INC /DE/CIK 0001086844
- AirGate PCS, Inc. /Merger/CIK 0001317606
- ALAMOSA HOLDINGS INCCIK 0001120102
- ALASKA COMMUNICATIONS SYSTEMS GROUP INCCIK 0001089511
- ALASKA COMMUNICATIONS SYSTEMS HOLDINGS INCCIK 0001089510
Classification
- SIC code
- 4813
- Total issuers
- 532
- Recent filings
- 40