Verified Nov 2026
Electronics & Software
·
Sterling, Virginia
·
Since 1982
Orbital Sciences Corporation is an aerospace manufacturer headquartered in Sterling, Virginia, United States, founded in 1982. It has an estimated 5,000-10,000 employees and an estimated revenue band of $1-5 billion. The company is privately held and serves the military-defense, electronics, automotive, electric-vehicle, renewable-energy, and industrial-equipment sectors. Its historical work centered on launch vehicles such as the Pegasus, Taurus, and Antares rockets and the Cygnus spacecraft for International Space Station resupply. In 2015 it merged with Alliant Techsystems to form Orbital ATK.
Orbital Sciences Corporation is now Orbital ATK! at a glance
Revenue
$1-5B
Est. band
Employees
5,000-10,000
Founded
1982
Headquarters
Sterling, Virginia
Industries
Automotive
Electric Vehicles
Electronics
Military & Defense
Renewable Energy
Industrial Equipment
Overview
Orbital Sciences Corporation is an aerospace manufacturer headquartered in Sterling, Virginia, United States, founded in 1982. It has an estimated 5,000-10,000 employees and an estimated revenue band of $1-5 billion. The company is privately held and serves the military-defense, electronics, automotive, electric-vehicle, renewable-energy, and industrial-equipment sectors. Its historical work centered on launch vehicles such as the Pegasus, Taurus, and Antares rockets and the Cygnus spacecraft for International Space Station resupply. In 2015 it merged with Alliant Techsystems to form Orbital ATK.
At a glance
Attribute | Detail |
|---|---|
Founded | 1982 |
Headquarters | Sterling, Virginia |
Employees | 5,000-10,000 |
Revenue | $1-5B (estimated) |
Primary capability | Electronics & Software |
What Orbital Sciences Corporation is now Orbital ATK! makes
The company's historical product lines include small-to-medium launch vehicles, satellite and space systems, propulsion subsystems, and missile defense systems, though the record lists no current certifications.
Latest developments
2026-10-03 — Orbital Sciences Corporation - Wikipedia (wikipedia.org)
2026-06-13 — Orbital ATK (wikipedia.org)
2026-05-20 — Vehicle Recompete: SRP-4 AWARD TO ORBITAL ATK… | CLEATUS (cleat.ai)
2026-04-08 — The US FTC opens a public consultation on a request to set aside a 2018 merger consent order in the solid rocket motor sector citing market changes and defence priorities (Northrop Grumman / Orbital ATK) - Concurrences (concurrences.com)
2026-04-03 — Northrop Wants FTC To Nix Conditions For $9.2B Orbital Buy - Law360 (law360.com)
2026-02-25 — Orbital ATK | Space Organizations | Orbit Codex (orbitcodex.com)
Facilities
Orbital Sciences Corporation is now Orbital ATK! is headquartered in Sterling, Virginia. Public sources also reference these locations:
Dulles, Virginia — orbitcodex.com
Northridge, California — citybuzz.co
Company details
Following its 2015 merger and a later acquisition, the original company is no longer independent, with its launch vehicle and satellite expertise continuing under Northrop Grumman. Orbital Sciences Corporation is now Orbital ATK! was founded in 1982, has an estimated 5,000-10,000 employees, and is headquartered in Sterling, Virginia.
Frequently asked questions
What does Orbital Sciences Corporation is now Orbital ATK! make?
Orbital Sciences Corporation is an aerospace manufacturer headquartered in Sterling, Virginia, United States, founded in 1982. It has an estimated 5,000-10,000 employees and an estimated revenue band of $1-5 billion. The company is privately held and serves the military-defense, electronics, automotive, electric-vehicle, renewable-energy, and industrial-equipment sectors. Its historical work centered on launch vehicles such as the Pegasus, Taurus, and Antares rockets and the Cygnus spacecraft for International Space Station resupply. In 2015 it merged with Alliant Techsystems to form Orbital ATK.
Where is Orbital Sciences Corporation is now Orbital ATK! headquartered?
Orbital Sciences Corporation is now Orbital ATK! is headquartered in Sterling, Virginia (21839 Atlantic Boulevard, Sterling, Virginia, 20166).
When was Orbital Sciences Corporation is now Orbital ATK! founded?
Orbital Sciences Corporation is now Orbital ATK! was founded in 1982.
How big is Orbital Sciences Corporation is now Orbital ATK!?
Orbital Sciences Corporation is now Orbital ATK! has an estimated 5,000-10,000 employees, with revenue in the $1-5B range (estimated).
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Last verified Nov 2026. Is this your company? Request a correction.
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