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Glendale, California, May 29, 2026 /PRNewswire/ — Citadel EHS, a leading environmental, health, safety, and sustainability consulting firm headquartered in Southern California, announced today the acquisition of Aurora Industrial Hygiene, Inc., a respected California-based industrial hygiene and occupational safety consulting firm with offices in San Diego and Los Angeles. Founded in 1996 by Certified Industrial Hygienists … Read more

Strategic leadership hire strengthens asbestos, lead-based paint, indoor air quality, and exposure assessment support across the San Francisco Bay Area and Sacramento region. GRASS VALLEY, Calif., Jan. 22, 2026 /PRNewswire/ — Citadel EHS announced the expansion of its Northern California building sciences and industrial hygiene consulting services with the addition of Kristoffer “Kris” Maglunob as Associate Practice … Read more

Broadview Group, a St. Louis–based private investment firm, announced today its investment in Citadel EHS, a leading provider of environmental, health, safety, and sustainability (EHS&S) services. Citadel will continue to be led by CEO Loren Witkin, alongside CFO Jeff Mistarz, COO Kier DeLeo, and the existing leadership team. The partnership will provide Citadel with the … Read more

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