Employer · WARN Act history · Professional & Technical Services
Covance
324 workers across 2 WARN notices, primarily in VA - recorded in the current PlainLayoffs dataset.
- 324
- Workers cut
- 2
- WARN notices
- 2
- States
- 162
- Avg / notice
Covance has 2 recorded WARN filings affecting 324 workers
According to WARN Act filings submitted to state workforce agencies, Covance has 2 recorded filings covering 324 workers across 2 states, primarily VA, the 630th-largest recorded WARN footprint among 7,009 tracked employers. WARN notices cover qualifying reported events, so this record is not a complete count of the employer's workforce changes.
Covance accounts for 1.5% of Professional & Technical Services's 21,639 WARN-laid-off workers across 166 tracked employers in the dataset — #19 in Professional & Technical Services by workers affected.
How 324 workers split by filing year
Calendar-year totals from WARN notice_date fields in this dataset, the same figures summed in the notice history below.
Covance WARN workers by state
Sum of workers_affected on each filing row, grouped by the state agency that received the notice, not a corporate headcount by HQ state.
Covance WARN workers by year and state
Sum of workers_affected on each filing row, crossed by calendar year and filing state, for the top 2 states by total workers affected.
| Year | VA | IN | Total |
|---|---|---|---|
| 2017 | – | 101 | 101 |
| 2010 | 223 | – | 223 |
Covance city concentration · concentrated
Named cities on WARN filing rows only (city blank on a filing is omitted). Shares are of the city-tagged worker total, not every notice in the record.
Vienna accounts for 68.8% of Covance's named-city WARN workers; the top three cities hold 100%.
Lead city Vienna · 68.8% · 2 named cities · top-3 share 100%
DOL WARN employer filing desk
Employer COVANCE · Covance 324 workers · 2 filings
NOTC-LIGHT · WORK-MID · PHOTO-UNK · RUNWAY-OVER · STAT-MULTI · BOOK-DUAL · TYPE-MIX
- NOTC-LIGHT 2 filings
- WORK-MID #630
- PHOTO-UNK No peer
- RUNWAY-OVER 76d
- STAT-MULTI 2 states
- BOOK-DUAL 2 agencies
- TYPE-MIX 1C/1L
Stamps derive from filed notice_date, effective_date, workers_affected, state agency source, and filing type in this dataset, not a prediction of future layoffs.
Largest Covance WARN filings · notice runway
Top 2 rows by workers_affected from this employer's filed notices. Runway = calendar days from notice_date to effective_date when both are published and forward-dated.
- Vienna, VA · Layoff · Other Services 223 workers · filed Nov 3, 2010 · 61d runway
- Evansville, IN · Closure · Professional & Technical Services 101 workers · filed Apr 24, 2017 · 91d runway
Median forward runway across 2 dated filings: 76 days (0 under 60d · 2 at/above 60d ).
What changed - Covance WARN filings by year
Computed from filed notice dates in this dataset (calendar years), not a vendor release label. Latest compared pair: .
- 2010 → 2017: WARN workers affected for Covance fell from 223 in 2010 to 101 in 2017; notice count held from 1 to 1.
Site-wide YoY movers: /changes (RSS). Dataset corrections: /changelog. Year hubs: /year/2017.
Where Covance Falls Among Tracked Employers
7,009 employers with a WARN filing, bucketed by total workers affected
Bucket counts (employers by total workers affected, as of September 2026): 1-10: 955; 11-50: 1,411; 51-150: 3,067; 151-500: 1,205; 501-1.5k: 273; 1.5k-5k: 72; 5k-15k: 16; 15k+: 10. Covance is in the 151-500 bucket (#630 of 7,009 by workers affected).
Employer Profile
- Primary State
- VA
- Primary Industry
- Professional & Technical Services
- First Notice
- Nov 3, 2010
- Latest Notice
- Apr 24, 2017
Not all layoffs appear in WARN data, see our methodology for the federal + state coverage thresholds. Latest filing: Apr 2017.
WARN Notice History
2017
Evansville, IN · Professional & Technical Services
Effective: Jul 24, 2017
101
workers
Filed Apr 24, 2017
2010
Vienna, VA · Other Services
Effective: Jan 3, 2011
223
workers
Filed Nov 3, 2010
Questions about this Covance record
What is the largest Covance WARN filing on record? ▼
The largest row is the mass layoff filed for Vienna, VA on Nov 3, 2010, covering 223 workers in Other Services.
Where were Covance's WARN notices filed? ▼
The filings name Evansville and Vienna; together they form 1 facility closure and 1 mass-layoff filing sourced from Indiana DWD and Virginia Works. States represented in this record: IN, VA.
Where is Covance's WARN footprint concentrated by city? ▼
Vienna accounts for 68.8% of Covance's named-city WARN workers; the top three cities hold 100%.
Does Covance's filing history show a recurring pattern? ▼
The filing history spans 2010 through 2017 across 2 calendar years; that recurrence is visible in the dated rows rather than inferred from news coverage.
How much advance notice appears in Covance's record? ▼
The measurable notice runway clears the federal 60-day baseline; use the dated filing history to see which location and event produced it.
See also: VA WARN filings · Professional & Technical Services industry WARNs · WARN Act guide
Source: State WARN Act layoff registries Covance notice history aggregated from state workforce agency filings · September 2026 A WARN filing is a required notice, not a judgment of the employer's management or finances. Coverage follows states with structured public registries; this public-record summary is not legal advice, financial advice, or employment advice.
Every figure on PlainLayoffs is rendered directly from public WARN Act filings and state workforce agency records, no number is typed in by an editor. This employer's notice history is rendered directly from state WARN Act filings. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 2026. A WARN filing is a legally required notice, not a judgment of a company's management or financial health; rankings here reflect filed notice volume only.