Filing Flows › Industries › Industrials › Aircraft Parts & Auxiliary Equipment, NEC
Aircraft Parts & Auxiliary Equipment, NEC SIC 3728
10 companies filing with the SEC under SIC 3728. Median revenue growth +36% year on year in Q3 2026 (middle half +27% to +39%, 5 companies). The growth model expects the industry's combined revenue to grow +23% in Q3 2026. 15 customer or supplier links named in annual reports.
Money flow: where the industry's revenue goes
Drawn in the browser: an estimate of where the industry's revenue goes — what it buys from other industries, the pay that reaches households, taxes and profit — beside its filed cash flow, two tiers of suppliers and its capital spending by kind of asset.
Open the industry: growth distribution, money flow, network →
Who sells to whom
Customers and suppliers named in the companies' annual reports; the share is of the supplier's revenue.
- DCO → RTX 61% of the supplier's revenue, $503M
- DCO → BA 13% of the supplier's revenue, $110M
- ATRO → BA 10% of the supplier's revenue, $89.7M
- DCO → NOC 6% of the supplier's revenue, $47.8M
- DCO → LMT 4% of the supplier's revenue, $34.6M
- PKE → GE 39% of the supplier's revenue, $28.8M
- CVU → RTX 38% of the supplier's revenue, $26.3M
- AIRI → RTX 36% of the supplier's revenue, $17.3M
- AIRI → LMT 32% of the supplier's revenue, $15.5M
- CVU → LMT 20% of the supplier's revenue, $13.9M
- LOAR → U.S. government 2% of the supplier's revenue, $9.9M
- AIRI → NOC 7% of the supplier's revenue, $3.2M
- RTX → DCO
- BA → ATRO
- BA → DCO
Growth model
Industry revenue, the same companies year on year; 80% ranges. Fitted on SEC filings and tested out of sample (how).
| Quarter | Growth Y/Y | Revenue | 80% range |
|---|---|---|---|
| Q3 2026 | +22.8% | $4.4B | $3.8B – $4.9B |
| Q4 2026 | +21.2% | $4.2B | $3.5B – $4.8B |
| Q1 2027 | +19.5% | $4.5B | $3.8B – $5.3B |
| Q2 2027 | +17.8% | $4.9B | $4.0B – $5.7B |
Capital spending and supply chain →
Companies
| Company | Quarterly revenue | Y/Y | Stage |
|---|---|---|---|
| TDG TransDigm Group | $2.7B | — | transition |
| ARXS Arxis | $564M | +36% | transition |
| ATRO Astronics | $260M | — | transition |
| DCO Ducommun | $227M | +6% | deceleration |
| KRMN Karman Holdings | $202M | +66% | expansion |
| LOAR Loar Holdings | $176M | +39% | transition |
| AADX Applied Aerospace & Defense | $167M | — | expansion |
| PKE Park Aerospace | $20.8M | +27% | transition |
| CVU CPI Aerostructures | $17.6M | — | transition |
| AIRI Air Industries | $12.0M | — | contraction |
Growth from positive, comparable quarterly revenue as filed; industries are SEC Standard Industrial Classification codes. Data Nov 8, 2026.