Bio-One of Fremont decontamination and biohazard cleaning services

Halloween Treats

Bio-One franchises love Halloween time. It's great for passing out delicious treats to organizations, hosting trunk or treats, and seeing awesome costumes. Here we have some Halloween-themed goodie bags loaded up and ready to pass out!


If you know of someone in need of our services, please take a look at our locations to find the nearest Bio-One office near you. Stay safe!