# Amentum National Security Programs, Inc.

Business profile: public business information with links to supporting state records. Data as of October 16, 2026.

- Legal business name: Amentum National Security Programs, Inc.
- Alternative and DBA names: Aecom National Security Programs, Inc; Aecomnationalsecurityprograms; Amentumnationalsecurityprograms; Amentum National Security Programs,; McNeil Technologies, Inc
- Entity type: C corporation
- Original incorporation date: December 10, 1985
- Time in business: 40 years and 10 months
- Jurisdiction count: 22

## All known addresses

- 20501 Seneca Meadows Pkwy Ste 200, Germantown, MD 20876 (listed in Virginia, Florida, Georgia, Kansas, Oregon, Vermont)
- 20501 Seneca Meadows Pkwy Ste 300, Germantown, MD 20876 (listed in California, District of Columbia, Hawaii, Idaho, Indiana, Massachusetts, North Carolina)
- 4800 Westfields Blvd Ste 400, Chantilly, VA 20151 (listed in Colorado, Missouri, South Dakota, Washington)
- 6564 Loisdale Ct Ste 800, Springfield, VA 22150 (listed in Florida, Maryland)
- 6564 Loisdale Ct Ste 500, Springfield, VA 22150 (listed in Montana)

## Registered states

- [California](https://index.baselayer.com/ca/f6291471551e1967): Foreign registration, as Aecom National Security Programs, Inc.
- [Colorado](https://index.baselayer.com/co/b635e3c3cbe95f77): Foreign registration
- [District of Columbia](https://index.baselayer.com/dc/a3243009652d13d9): Foreign registration
- [Florida](https://index.baselayer.com/fl/5ed76105530515b6): Foreign registration
- [Florida](https://index.baselayer.com/fl/6736947ed1c40266): Foreign registration, as McNeil Technologies, Inc.
- [Georgia](https://index.baselayer.com/ga/711fc13c3f33638a): Foreign registration
- [Hawaii](https://index.baselayer.com/hi/bd4c2ad7245098ed): Foreign registration, as Aecom National Security Programs, Inc.
- [Idaho](https://index.baselayer.com/id/8b3ccedc8b61e1b1): Foreign registration
- [Indiana](https://index.baselayer.com/in/f08dd58a9ee896cc): Foreign registration, as Aecom National Security Programs, Inc.
- [Kansas](https://index.baselayer.com/ks/5a1af2db2fc804a2): Foreign registration
- [Maryland](https://index.baselayer.com/md/42ca3670e82a5304): Foreign registration
- [Massachusetts](https://index.baselayer.com/ma/f5eb2f55c605a590): Foreign registration
- [Missouri](https://index.baselayer.com/mo/89d9e1c282c8da08): Foreign registration
- [Montana](https://index.baselayer.com/mt/fe612123eb4a3b82): Foreign registration
- [Nevada](https://index.baselayer.com/nv/3302599858817143): Foreign registration
- [North Carolina](https://index.baselayer.com/nc/887cddea7ca9becd): Foreign registration
- [Oregon](https://index.baselayer.com/or/b886cacbf407b167): Foreign registration
- [South Dakota](https://index.baselayer.com/sd/ebc4e5f9a25138a7): Foreign registration
- [Utah](https://index.baselayer.com/ut/855245d0681be231): Foreign registration
- [Vermont](https://index.baselayer.com/vt/221f53c62e9b24d0): Foreign registration
- [Virginia](https://index.baselayer.com/va/c36d3cfa5754caa2): Domestic registration
- [Washington](https://index.baselayer.com/wa/254e6698ac3b621a): Foreign registration, as Aecom National Security Programs, Inc.
- [Washington](https://index.baselayer.com/wa/47386245e72e8990): Foreign registration
- [Wyoming](https://index.baselayer.com/wy/2dfbfa10a5d1cfb7): Foreign registration, as McNeil Technologies, Inc.

Source: public state registration records. Missing values are not a negative finding.

Cite as: Baselayer Business Index (https://index.baselayer.com/business/c36d3cfa5754caa2)