Industry · SIC 3728
Aircraft Parts & Auxiliary Equipment, NEC
47 tracked issuers filing with the SEC under this industry classification.
Issuers
47
Recent filings
40
SIC code
3728
Industry overview
Aircraft Parts & Auxiliary Equipment, NEC
Serving the specialized Aircraft Parts & Auxiliary Equipment, NEC market, the SIC 3728 sector supplies avionics modules, landing gear assemblies, cabin systems, electrical harnesses, sensors, and ground support tools alongside a deep aftermarket of certified spares. Customers range from airframe OEMs and Tier 1 integrators to commercial airlines, MRO shops, and defense agencies that rely on rigorous reliability and rapid turnaround. Operators navigate FAA/EASA certification queues, ITAR/export controls, cybersecurity mandates for connected systems, and cost swings tied to titanium, composites, and semiconductor availability. In 2024-2025, growth is driven by digital twins and predictive maintenance, additive manufacturing for low-volume spares, lighter materials to support fuel-burn and SAF goals, and renewed demand from fleet refresh and defense modernization amid supply-chain reshoring. Emerging risks include elongated validation cycles, supplier concentration, and sustainability disclosures that now influence procurement. Track how leading players adapt—view SEC filings on Earnings Feed to see capital spending, backlog shifts, and program updates in current.
Source: Earnings Feed research · Nov 23, 2025
Latest filings
- 6-KPRZOParaZero Technologies Ltd.47.2 KBSEC(opens sec.gov)
- 6-KESLTELBIT SYSTEMS LTD44.4 KBSEC(opens sec.gov)
- SCHEDULE 13GESLTELBIT SYSTEMS LTD8.5 KBSEC(opens sec.gov)
- 6-KESLTELBIT SYSTEMS LTD47.2 KBSEC(opens sec.gov)
- 10-QPKEPARK AEROSPACE CORP4.6 MBSEC(opens sec.gov)
- S-1ARXSArxis, Inc.37.4 MBSEC(opens sec.gov)
- 8-KPKEPARK AEROSPACE CORP521.2 KBSEC(opens sec.gov)
- SCHEDULE 13G/AATROASTRONICS CORP8.8 KBSEC(opens sec.gov)
- 6-KPRZOParaZero Technologies Ltd.64.9 KBSEC(opens sec.gov)
- 6-KPRZOParaZero Technologies Ltd.25.9 KBSEC(opens sec.gov)
- SCHEDULE 13GKRMNKarman Holdings Inc.11.0 KBSEC(opens sec.gov)
- 8-KTDGTransDigm Group INC1.1 MBSEC(opens sec.gov)
- 8-KPKEPARK AEROSPACE CORP152.0 KBSEC(opens sec.gov)
- 8-KTDGTransDigm Group INC391.0 KBSEC(opens sec.gov)
- 8-KTDGTransDigm Group INC150.5 KBSEC(opens sec.gov)
- SCHEDULE 13GARXSArxis, Inc.6.8 KBSEC(opens sec.gov)
- 6-KESLTELBIT SYSTEMS LTD31.2 KBSEC(opens sec.gov)
- 8-KCVUCPI AEROSTRUCTURES INC203.9 KBSEC(opens sec.gov)
- 8-KKRMNKarman Holdings Inc.5.3 MBSEC(opens sec.gov)
- 144TDGTransDigm Group INC6.5 KBSEC(opens sec.gov)
- 6-KPRZOParaZero Technologies Ltd.36.4 KBSEC(opens sec.gov)
- 8-KTDGTransDigm Group INC159.7 KBSEC(opens sec.gov)
- 8-KTDGTransDigm Group INC163.4 KBSEC(opens sec.gov)
- 8-KTDGTransDigm Group INC160.0 KBSEC(opens sec.gov)
- 6-KPRZOParaZero Technologies Ltd.30.3 KBSEC(opens sec.gov)
- 6-KESLTELBIT SYSTEMS LTD42.3 KBSEC(opens sec.gov)
- 8-KKRMNKarman Holdings Inc.201.2 KBSEC(opens sec.gov)
- 8-KKRMNKarman Holdings Inc.217.9 KBSEC(opens sec.gov)
- 6-KPRZOSEC(opens sec.gov)
- 6-KPRZOParaZero Technologies Ltd.68.0 KBSEC(opens sec.gov)
- 6-KEHEHang Holdings Ltd299.5 KBSEC(opens sec.gov)
- 8-KAIRIAIR INDUSTRIES GROUP220.4 KBSEC(opens sec.gov)
- 6-KEHEHang Holdings Ltd17.6 KBSEC(opens sec.gov)
- 6-KPRZOParaZero Technologies Ltd.33.1 KBSEC(opens sec.gov)
- 144DCODUCOMMUN INC /DE/5.4 KBSEC(opens sec.gov)
- 8-KARXSArxis, Inc.174.8 KBSEC(opens sec.gov)
- 8-KPKEPARK AEROSPACE CORP164.8 KBSEC(opens sec.gov)
- 6-KPRZOParaZero Technologies Ltd.16.7 KBSEC(opens sec.gov)
- SCHEDULE 13GARXSArxis, Inc.51.3 KBSEC(opens sec.gov)
- SCHEDULE 13G/AEHEHang Holdings Ltd12.0 KBSEC(opens sec.gov)
Featured issuers
- AEROSPACE CREDITORS LIQUIDATING TRUSTCIK 0000908258
- AIR INDUSTRIES GROUPCIK 0001009891AIRI
- Applied Aerospace & Defense, Inc.CIK 0002118195AADX
- Arxis, Inc.CIK 0002093536ARXS
- AS-IP TECH INCCIK 0001067873IPTK
- Astro Aerospace Ltd.CIK 0001425203
- ASTRONICS CORPCIK 0000008063ATRO
- BALLISTIC RECOVERY SYSTEMS INCCIK 0000801907
- B/E AEROSPACE INCCIK 0000861361
- BREEZE-EASTERN LLCCIK 0000099359
- COMPASS AEROSPACE CORPCIK 0001081008
- CPI AEROSTRUCTURES INCCIK 0000889348CVU
Classification
- SIC code
- 3728
- Total issuers
- 47
- Recent filings
- 40