SIC 3728 - Aircraft Parts & Auxiliary Equipment, NEC

Division: Manufacturing. Major group: Transportation Equipment. As of: 2026-05-29.

Companies

ATRO - ASTRONICS CORP
DCO - DUCOMMUN INC /DE/
KRMN - Karman Holdings Inc.
LOAR - Loar Holdings Inc.
PKE - PARK AEROSPACE CORP
TDG - TransDigm Group INC

Related Macro Threads

Inflation (CPI / PCE / PPI) - 10 indicators, 3 mapped SIC sectors
US labor market - 12 indicators, 3 mapped SIC sectors
Growth & output - 13 indicators, 4 mapped SIC sectors
Money & trade - 2 indicators, 4 mapped SIC sectors
Government finances - 6 indicators, 3 mapped SIC sectors
Sector employment - 5 indicators, 5 mapped SIC sectors
Industrial orders & inventories - 3 indicators, 3 mapped SIC sectors
Trade & external - 4 indicators, 4 mapped SIC sectors

Macro Context

INDPRO - Industrial Production: Total Index
TCU - Capacity Utilization: Total Index
PPIACO - Producer Price Index by Commodity: All Commodities
DGS10 - Market Yield on U.S. Treasury Securities at 10-Year Constant Maturity

Sector financials

Peer figures are build-time aggregates of the SEC companyfacts financials already shown on member company pages. As of latest member filing date: 2026-05-29.

Companies With Data	Companies With Revenue	Aggregate Revenue	Median Revenue	Median Net Margin	Median Operating Margin	Median Revenue Growth	Median Diluted EPS
6	6	11,559,051,000	660,561,000	9.11%	16.94%	14.70%	0.66

Charts

Member companies by reported revenue

Net margin distribution

Peer Table

Company	Latest Revenue	Revenue FY	Net Margin	Operating Margin	Revenue Growth	Diluted EPS
TDG - TransDigm Group INC	8,831,000,000	2025	23.49%	47.16%	11.22%	32.08
ATRO - ASTRONICS CORP	862,128,000	2025	3.41%	8.86%	8.39%	0.81
DCO - DUCOMMUN INC /DE/	824,839,000	2025	-4.53%	-4.33%	4.88%	-2.50
LOAR - Loar Holdings Inc.	496,283,000	2025	14.54%	21.41%	23.20%	0.75
KRMN - Karman Holdings Inc.	471,500,000	2025	3.68%	15.47%	36.57%	0.13
PKE - PARK AEROSPACE CORP	73,301,000	2026	15.38%	18.42%	18.18%	0.56

Sources

Macro Data

INDPRO - FRED series INDPRO, source: Board of Governors of the Federal Reserve System
TCU - FRED series TCU, source: Board of Governors of the Federal Reserve System
PPIACO - FRED series PPIACO, source: U.S. Bureau of Labor Statistics
DGS10 - FRED series DGS10, source: Board of Governors / U.S. Treasury market data