Oec Engineering Corporation

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
MDMultinational Defense Services LLC	Chantilly	Small Arms, Ordnance, and Ordnance Accessories Manufacturing 332994	◐ LIKELY ACTIVE	0.5 KM
Won St LLC	Chantilly	Ball and Roller Bearing Manufacturing 332991	● ACTIVE	0.6 KM
Mac Aerospace CORP	Chantilly	Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413	● ACTIVE	1.6 KM
Iai North America INC.	Herndon	Aircraft Engine and Engine Parts Manufacturing 336412	● ACTIVE	5.3 KM
Spray Contec Incorporated	Centreville	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	● ACTIVE	5.8 KM

Every listed plant in Fairfax County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 5 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in OSHA-OIS.

• EPA Facility Registry ServiceEXISTENCE
  Record 110070323747 · first seen SEP 2018 · last seen SEP 2018

IN FAIRFAX COUNTY20 other plants share this one’s industry (Other Fabricated Metal Product Manufacturing, NAICS 3329); 0 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

EPA: OEC ENGINEERING CORPORATION · OCT 2026

Street address

EPA: 4280- K HENNINGER CT. · OCT 2026

City

EPA: CHANTILLY · OCT 2026

State

EPA: VA · OCT 2026

Coordinates

Census geocoder: 38.885663486212,-77.433835353812 · JUL 2026