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Northrop Grumman — WARN Act layoff notices

Official state WARN filings by Northrop Grumman since 1988, normalized from state labor department sources. Latest notice: 2025-08-20.

Filed under 19 spellings in state records, merged on this page: Northrop Grumman - Update 1/15/18; Northrop Grumman - Updated 1/2/18; Northrop Grumman Corporation, Aerospace; Northrop Grumman Corporation, Mission Systems Sector; Northrop Grumman Information Systems; Northrop Grumman Information Systems Intelligence Systems Division; Northrop Grumman Information Systems Sector Intelligence Systems Division; Northrop Grumman Systems; Northrop Grumman Systems Corporation - Long Island Region (Amended 5/15/2014); Northrop Grumman Systems Corporation, Defense Systems Sector; Northrop Grumman Technical; Northrop Grumman Technical Services — and 6 more.

64notices
10,446workers affected
18states
Notice dateStateLocationEmployeesEffective dateType
2025-08-20CaliforniaSanta Clara County782025-10-31Closure Permanent
2024-08-13CaliforniaLos Angeles County5002024-10-14Layoff Permanent
2024-03-20CaliforniaLos Angeles County22024-04-29Layoff Permanent
2024-03-20CaliforniaLos Angeles County1052024-04-29Layoff Permanent
2024-03-20CaliforniaLos Angeles County7312024-04-29Layoff Permanent
2024-03-20CaliforniaLos Angeles County32024-04-29Layoff Permanent
2024-03-20CaliforniaLos Angeles County2272024-04-29Layoff Permanent
2024-03-20CaliforniaLos Angeles County12024-04-29Layoff Permanent
2023-10-05Maryland701 Wilson Point Road Middle River, MD 21220162024-01-22Mass Layoff - No Recall
2021-05-11CaliforniaSan Diego, San Diego County2242021-06-15Layoff Permanent
2021-01-12CaliforniaSan Diego, San Diego County1002021-03-12Layoff Permanent
2020-07-20MissouriIndependence1,7002020-09-30Layoff
2020-03-09ArizonaSierra Vista——WARN
2019-12-05VirginiaRichmond422020-02-04Layoff
2018-06-14VirginiaChester3482018-08-17—
2018-01-15ColoradoPikes Peak38—Other-Loss of Contract
2018-01-02ColoradoPikes Peak85—Other - Loss of Contract
2017-12-08CaliforniaSan Diego, San Diego County512018-02-09Layoff Permanent
2017-12-08CaliforniaEl Segundo, Los Angeles822018-02-09Layoff Permanent
2017-11-14WashingtonLakewood432018-01-12Closure
2017-11-02ColoradoPikes Peak50—Reduction in Force
2017-03-16CaliforniaFort Irwin4622017-05-17Layoff Permanent
2016-03-29CaliforniaFort Irwin4832016-05-31Layoff Permanent
2015-04-29IndianaEdinburg492015-06-29LO
2015-04-03CaliforniaFort Irwin4762015-05-31Layoff Permanent
2015-02-05CaliforniaFort Irwin4432015-05-31Layoff Permanent
2014-08-05CaliforniaFort Irwin4232014-10-03Layoff Permanent
2014-05-13New YorkNassau2092014-05-23Plant Layoff
2014-05-05VirginiaVirginia Beach572014-07-22Layoff
2014-05-05North CarolinaCherry Point922014-07-22Layoff
2013-09-30VirginiaReston522013-11-29—
2013-08-14New York————
2013-07-08VirginiaReston82013-09-03—
2013-05-24VirginiaVirginia Beach562013-07-22—
2013-05-24ArizonaYuma58—WARN
2013-03-31VirginiaReston102013-05-31—
2012-11-05ConnecticutNorwalk2972012-12-31Closing
2012-09-01New JerseyMount Laurel612012-11-06—
—PennsylvaniaPhiladelphia, Philadelphia12012-05-04Mass Layoff
2012-05-01VirginiaFort Eustis & Fort Story1302012-06-29Layoff
2012-04-26Oklahoma———Mass Layoff
2012-03-02VirginiaChantilly12012-05-04Layoff
2012-02-15MarylandP.O. Box 100, Fort Meade, MD2242012-04-202
2012-02-15UtahLehi84——
2011-07-05New YorkSuffolk442011-09-29Plant Closing
2011-04-12VirginiaSuffolk322011-05-13Permanent Reduction
2011-04-07AlabamaHuntsville1002011-08-05Closing *
2011-02-28Maryland7040 TroyHill Dr., Elkridge, MD1462011-04-302
2011-02-28VirginiaSuffolk2932011-04-24Permanent Reduction
2011-01-31AlabamaRedstone Arsenal972011-03-31Layoff *
2010-12-27VirginiaFort Eustis1482011-02-28Permanent Reduction
2010-10-25VirginiaLangley-Eustis VI1642010-12-31Permanent Reduction
2010-09-27VermontSt. Albans106—WARN
2010-08-11VirginiaWallops Island1692010-10-15—
2010-08-06AlabamaRedstone Arsenal922010-09-30Layoff *
2010-07-29VirginiaFort Eustis1732010-09-30Layoff
2010-06-28Maryland18450 Showalter Road, Hagerstown, MD592010-08-162
2010-03-11MarylandHagerstown1742010-05-092
2006-06-06AlabamaRedstone Arsenal972006-06-09Layoff *
2006-02-01New JerseyNEWARK/CHERRY HILL—2006-03-31—
2005-08-23IllinoisO'Fallon, 670 Pierce Blvd54—State
1999-07-23AlabamaRedstone Arsenal3961999-09-30Closing *
—IndianaEdinburg——N/A
—IndianaEdinburg——N/A

Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, no delay, notices 1988+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.

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