Citadel EHS

  • Website: https://citadelehs.com/
  • Email: jwojnowski@citadelehs.com
  • Company Size: 85-90
  • Industry: Architecture, Engineering, Sustainability, Industrial Hygiene, health and safety, Building Sciences (e.g., lead and asbestos testing, environmental compliance
  • Locations: California - Glendale, Irvine, Long Beach, Valencia, Walnut Creek, Grass Valley, San Diego; Washington, Seattle; Colorado, Denver; North Carolina, Charlotte

Citadel EHS is a trusted team of Environmental, Health, Safety & Sustainability (EHS&S) experts delivering integrated, experience-based solutions throughout a project’s life cycle—from concept to completion. Our diverse staff, including industrial hygienists, safety professionals, geologists, and environmental scientists, provides comprehensive services across multiple industries. We specialize in cost-effective strategies that ensure safety, compliance, and sustainability, helping clients effectively navigate EHS challenges in design, development, and construction.


At Citadel EHS, our 100% employee-owned structure fosters a collaborative and personal culture where every team member is directly connected to our success. We prioritize work/life balance with a supportive environment and opportunities for professional growth. Career advancement is a key focus, with cross-training, a Tuition Assistance Program, and leadership development. Our management is proactive, regularly engaging in training and driving organizational improvements through annual initiatives. We are committed to sustainability, equity, and creating a workplace where employees thrive and contribute meaningfully.


  • Great Place to Work
  • LEED, Best Companies and LA Business Journal, SoCal “Best Places to Work” award, Exxon Mobile Gold Star Safety award, Cal Green Business Certification, GSA and FEMA certified

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