
Holiday Hours – Thanksgiving 2026
If you need to contact any of our Western Colloid plants, warehouses, or offices in the upcoming week please note our Holiday hours through Monday 11/30/26 Los Angeles California Manufacturing Plant 11/25 Open 6:00am – 12:30pm 11/26-11/27 Closed for Holiday Observance Oakland California Manufacturing Plant: 11/25 Open 6:30am – 12:00pm























