National EHS&S Consulting Network
11 Offices Coast-to-Coast
From our Glendale, CA headquarters to Charlotte, NC, Citadel EHS serves employers across the United States with consistent federal- and state-level regulatory expertise.
11
Offices nationwide
4
States with offices
30+
Years in business
Los Angeles
3 officesOrange County
1 officeIrvine
15635 Alton Pkwy Suite 200
Irvine, CA 92618
(714) 547-4301
San Diego
2 officesBay Area
1 officeWalnut Creek
1371 Oakland Blvd Suite 100
Walnut Creek, CA 94596
(818) 246-2707
Northern California
1 officeGrass Valley
102 Mill Street
Grass Valley, CA 95945
(818) 246-2707
Pacific Northwest
2 officesWork with us
Need EHS&S support near you?
Connect with your nearest Citadel EHS office for environmental, health, and safety consulting tailored to your region.