Industry · SIC 4812
Radiotelephone Communications
253 tracked issuers filing with the SEC under this industry classification.
Issuers
253
Recent filings
40
SIC code
4812
Industry overview
Radiotelephone Communications
Radiotelephone Communications companies classified under SIC 4812 provide mobile voice, messaging, and data services over wireless networks, supported by extensive tower, small-cell, and backhaul infrastructure. Core offerings include consumer and business phone plans, mobile broadband, device financing, and increasingly bundled cloud, IoT, and enterprise connectivity solutions. Typical customers range from mass-market subscribers and small businesses to large enterprises, public safety agencies, and government users that depend on resilient, nationwide coverage. The industry operates under strict spectrum licensing and service rules, faces heavy capital spending requirements for 5G upgrades, and must manage regulatory scrutiny around pricing, data privacy, net neutrality, and network security. In 2024–2025, key trends include 5G monetization, private wireless networks, satellite-to-handset experiments, AI-driven network optimization, and consolidation or sharing arrangements to control costs. For investors evaluating SIC 4812 carriers and infrastructure partners, viewing SEC filings on Earnings Feed can provide timely insight into subscriber metrics, churn, spectrum strategy, and capital allocation decisions.
Source: Earnings Feed research · Nov 23, 2025
Latest filings
- 6-KIHSIHS Holding Ltd10.4 KBSEC(opens sec.gov)
- 6-KVODVODAFONE GROUP PUBLIC LTD CO54.9 KBSEC(opens sec.gov)
- 6-KVODVODAFONE GROUP PUBLIC LTD CO110.2 KBSEC(opens sec.gov)
- 8-KSIDUSidus Space Inc.206.9 KBSEC(opens sec.gov)
- 6-KVODVODAFONE GROUP PUBLIC LTD CO107.5 KBSEC(opens sec.gov)
- 6-KCHTCHUNGHWA TELECOM CO LTD42.2 KBSEC(opens sec.gov)
- 6-KVODVODAFONE GROUP PUBLIC LTD CO108.1 KBSEC(opens sec.gov)
- 6-KVODVODAFONE GROUP PUBLIC LTD CO105.7 KBSEC(opens sec.gov)
- 6-KVODVODAFONE GROUP PUBLIC LTD CO24.0 KBSEC(opens sec.gov)
- 8-KSIDUSidus Space Inc.208.8 KBSEC(opens sec.gov)
- SCHEDULE 13D/AVEONVEON Ltd.933.2 KBSEC(opens sec.gov)
- SCHEDULE 13D/ATIGOSEC(opens sec.gov)
- SCHEDULE 13GADSEC(opens sec.gov)
- 6-KVEONVEON Ltd.635.1 KBSEC(opens sec.gov)
- 6-KCHAICore AI Holdings, Inc.30.4 KBSEC(opens sec.gov)
- 6-KVODVODAFONE GROUP PUBLIC LTD CO45.3 KBSEC(opens sec.gov)
- 144ADSEC(opens sec.gov)
- 6-KSKMSK TELECOM CO LTD4.1 MBSEC(opens sec.gov)
- 144TMUST-Mobile US, Inc.4.9 KBSEC(opens sec.gov)
- 6-KCHTCHUNGHWA TELECOM CO LTD114.2 KBSEC(opens sec.gov)
- 6-KIHSIHS Holding Ltd19.3 KBSEC(opens sec.gov)
- 8-KCLRICleartronic, Inc.216.7 KBSEC(opens sec.gov)
- 8-KTMUST-Mobile US, Inc.317.3 KBSEC(opens sec.gov)
- SCHEDULE 13D/AADSEC(opens sec.gov)
- 6-KSKMSK TELECOM CO LTD25.6 KBSEC(opens sec.gov)
- 6-KIHSIHS Holding Ltd1.6 MBSEC(opens sec.gov)
- 6-KVODVODAFONE GROUP PUBLIC LTD CO24.1 KBSEC(opens sec.gov)
- 6-KVODVODAFONE GROUP PUBLIC LTD CO22.1 KBSEC(opens sec.gov)
- 6-KCHTCHUNGHWA TELECOM CO LTD88.9 KBSEC(opens sec.gov)
- 6-KCHAICore AI Holdings, Inc.53.0 KBSEC(opens sec.gov)
- 6-KCHAICore AI Holdings, Inc.4.9 MBSEC(opens sec.gov)
- 6-KSKMSK TELECOM CO LTD110.3 KBSEC(opens sec.gov)
- 6-KSKMSK TELECOM CO LTD36.0 KBSEC(opens sec.gov)
- 6-KSKMSK TELECOM CO LTD83.4 KBSEC(opens sec.gov)
- SCHEDULE 13DVODSEC(opens sec.gov)
- 6-KIHSIHS Holding Ltd72.3 KBSEC(opens sec.gov)
- 4Jarvis Scot B5.7 KBSEC(opens sec.gov)
- 6-KCHTCHUNGHWA TELECOM CO LTD104.0 KBSEC(opens sec.gov)
- 8-KSIDUSidus Space Inc.351.7 KBSEC(opens sec.gov)
- SCHEDULE 13GCHAICore AI Holdings, Inc.11.8 KBSEC(opens sec.gov)
Featured issuers
- 21ST CENTURY TELESIS II INCCIK 0000947660
- ACC ACQUISITION LLCCIK 0001137719
- AERIAL COMMUNICATIONS INCCIK 0001008614
- AFFORDABLE TELECOMMUNICATIONS TECHNOLOGY CORPCIK 0001074416
- ALLTEL CORPCIK 0000065873
- Alltel Holding CorpCIK 0001362222
- AMERICAN CABLE TV INVESTORS 2CIK 0000704847
- AMERICAN CABLE TV INVESTORS 3CIK 0000742274
- AMERICAN CABLE TV INVESTORS 4 LTDCIK 0000785025
- AMERICAN CABLE TV INVESTORS 5 LTDCIK 0000810963
- AMERICAN CELLULAR CORP /DE/CIK 0001067075
- AMERICAN MOBILE SYSTEMS INCCIK 0000714593
Classification
- SIC code
- 4812
- Total issuers
- 253
- Recent filings
- 40