California · City

Layoffs in Pomona

Since January 6, 2026, our records for Pomona include 6 WARN notices naming 301 workers.

Part of the Los Angeles-Long Beach-Anaheim, CA metro area.

Largest WARN notices: Med-Pharmex, Inc. (130, Jan 6, 2026); Pomona Hospital Medical Center (1798) (108, Jan 7, 2026); Dwyer Instruments, LLC (53, Jun 2, 2026).

WARN notices in Pomona

As filed with the state (all California notices). A notice is the employer’s plan; actual job losses can differ.

Notice date Employer Location Workers Type Effective Filing
Constellis, LLC (1445 McKinley Ave.) Pomona · Los Angeles County 5 Layoff, permanent Oct 31, 2026 State report
Levine Management Groups, Inc. - Arrow Highway Pomona · Los Angeles County 1 Layoff Oct 20, 2026 State report
Dwyer Instruments, LLC Pomona · Los Angeles County 53 Closure, permanent Aug 7, 2026 State report
Pomona Hospital Medical Center (1798) Pomona · Los Angeles County 108 Layoff, permanent Mar 8, 2026 State report
Pomona Hospital Medical Center (300) Pomona · Los Angeles County 4 Layoff, permanent Mar 8, 2026 State report
Med-Pharmex, Inc. Pomona · Los Angeles County 130 Closure, permanent Mar 6, 2026 State report

Rules and resources in California

Notice rules

Under the federal WARN Act, employers with 100 or more employees generally must give 60 days’ written notice before a plant closing or mass layoff.

California has its own rules (California WARN Act (Cal-WARN)):

  • Applies to employers with 75 or more employees, counting full-time and part-time workers.
  • Covers a layoff of 50 or more employees within a 30-day period, a plant or facility closure, or a relocation of operations.
  • Employers must give written notice at least 60 days in advance.

Source: Layoff Services: WARN, California Employment Development Department (California Labor Code, Section 1400.5). Checked October 11, 2026.

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