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Aircraft Parts and Auxiliary Equipment, Not Elsewhere Classified
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SIC Industry 3728   —   NAICS² Industries  332912,  336411,  336413  &  541712

SIC [1987]  →  Manufacturing  →  Transportation Equipment  →  Aircraft & Parts  →  Aircraft parts & equipment, NEC §

157  Registrants
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  ·   List them ordered by how active they’ve been   ·   List only Registrants currently in this Industry

As Of     Filer / IssuerLatest Filings     SIC
In ascending orderAs: Filer    Re: Issuer    
Active (in the Past Year, since 9/26/21) in Industry 3728:
Air Industries Group  8-K  SC 13D  3728
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As-Ip Tech Inc.  10-Q  SC 13G  3728
Astro Aerospace Ltd.  NT 10-K  3  3728
Astronics Corp.  10-Q  4 New Filing in the Past Week!  3728
Cpi Aerostructures Inc.  8-K  SC 13G/A New Filing in the Past Week!  3728
Ducommun Inc./DE  10-Q  4  3728
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EHang Holdings Ltd.  6-K  SC 13G/A  3728
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Elbit Systems Ltd.  6-K New Filing in the Past Week!  SC 13G  3728
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ParaZero Technologies Ltd.  FWP  FWP  3728
Park Aerospace Corp. [ formerly Park Electrochemical Corp. ]  8-K  4  3728
Spirit AeroSystems Holdings, Inc.  CORRESP  4  3728
Spirit AeroSystems, Inc.  S-3ASR  FWP OLD  3728
TransDigm Group Inc.  8-K  4 New Filing in the Past Week!  3728
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World Scan Project, Inc.  NT 10-Q  UPLOAD OLD  3728
 — 14 — 
Active, but no longer SEC-assigned to, nor self-declared in, Industry 3728:
China Infrastructure Construction Corp.  S-1  SC 13G/A OLD  3272
Teleflex Inc.  10-Q  SC 13G  3841
Woodward, Inc.  8-K New Filing in the Past Week!  4  3620
 — 3 — 
No Activity (in the Past Year) as a Registrant:
All Filings are OLD    
More...  List all, including 140 Inactive Registrants 

Businesses & Products of SIC Industry 3728
  • Adapter assemblies, hydromatic propeller
  • Ailerons, aircraft
  • Aircraft armament, except guns
  • Aircraft arresting device system
  • Aircraft assemblies, subassemblies, and parts, except engines
  • Aircraft body assemblies and parts
  • Aircraft power transmission equipment
  • Aircraft propeller parts
  • Airframe assemblies, except for guided missiles
  • Airplane brake expanders
  • Alighting assemblies (landing gear), aircraft
  • Beaching gear, aircraft
  • Blades, aircraft propeller: metal or wood
  • Bomb racks, aircraft
  • Brakes, aircraft
  • Chaffing dispensers, aircraft
  • Countermeasure dispensers, aircraft
  • Deicing equipment, aircraft
  • Dive brakes, aircraft
  • Dusting and spraying equipment, aircraft
  • Dynetric balancing stands, aircraft
  • Elevators, aircraft
  • Empennage (tail) assemblies and parts, aircraft
  • Fins, aircraft
  • Flaps, aircraft wing
  • Fuel tanks, aircraft: including self-sealing
  • Fuselage assemblies, aircraft
  • Gears, power transmission: aircraft
  • Governors, aircraft propeller feathering
  • Hubs, aircraft propeller
  • Instrument panel mockups: aircraft training units
  • Landing gear, aircraft
  • Landing skis and tracks, aircraft
  • Link trainers (aircraft training mechanisms)
  • Nacelles, aircraft
  • Oleo struts, aircraft
  • Oxygen systems for aircraft
  • Panel assemblies (hydromatic propeller test stands), aircraft
  • Pontoons, aircraft
  • Propeller alining tables
  • Propellers, variable and fixed pitch and parts – aircraft
  • Pumps, propeller feathering
  • Refueling equipment, airplane: for use in flight
  • Research and development on aircraft parts and auxiliary equipment by the manufacturer
  • Roto-blades for helicopters
  • Rudders, aircraft
  • Seat ejector devices, aircraft
  • Spinners, aircraft propeller
  • Stabilizers, aircraft
  • Target drones, aircraft
  • Targets, trailer type: aircraft
  • Tow targets, aircraft
  • Training aids, aircraft: except electronic
  • Transmissions, aircraft
  • Turret test fixtures, aircraft
  • Turrets and turret drives, aircraft
  • Wheels, aircraft
  • Wing assemblies and parts, aircraft

Description of SIC Industry 3728 — Aircraft Parts and Auxiliary Equipment, Not Elsewhere Classified §
Establishments primarily engaged in manufacturing aircraft parts and auxiliary equipment, not elsewhere classified.  This industry also includes establishments owned by manufacturers of aircraft parts and auxiliary equipment and primarily engaged in research and development on aircraft parts, whether from enterprise funds or on a contract or fee basis.  Establishments primarily engaged in manufacturing or assembling complete aircraft are classified in Industry 3721; those manufacturing aircraft engines and parts are classified in Industry 3724; those manufacturing aeronautical instruments are classified in Industry 3812; those manufacturing aircraft engine electrical (aeronautical electrical) equipment are classified in Industry 3694; and those manufacturing guided missile and space vehicle parts and auxiliary equipment are classified in Industry 3769.  Establishments not owned by manufacturers of aircraft parts but primarily engaged in research and development on aircraft parts on a contract or fee basis are classified in Services, Industry 8731.

§  SEC Filings-Review Office (FRO) Assigned Filings-Review Responsibility
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OM – Office of Manufacturing

²  North American Industry Classification System (NAICS)

SIC [1987] Industry 3728     ⇒     NAICS [2012] Industry Codes

NAICS Code  North American Industry    SIC Codes
In ascending order
332912Fluid Power Valve and Hose Fitting Manufacturing  ⇒  3492,  3728
336411Aircraft Manufacturing  ⇒  3721,  3728
336413Other Aircraft Parts and Auxiliary Equipment Manufacturing  ⇒  3728
541712Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)  ⇒  37213724,  3728,  37613764,

Global Industry Classification Standard    S&P DJI  /  MSCI 

SIC [SEC] Industry 3728   ⇒     GICS [2018] Sector  →  Sub-Industry  
Assigned by the SEC
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Assigned by S&P Dow Jones Indices / MSCI

  Sector   #    →    Sub-Industry   #        
Industrials   7  Aerospace & Defense   1
Electrical Components & Equipment   1
 # of Major-Index Companies in both this SIC Industry and the GICS Sector / Sub-Industry.


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