San Bernardino County sheriff's deputies came to Break N Beariors Car Audio in the 34900 block of Yucaipa Boulevard at 1:22 a.m. on a security check.
They found about four ounces of marijuana and items used in drug sales, sheriff's officials said. They searched a home connected to the business owner, Christopher Hernandez, 39, of Yucaipa, and found more drugs. Sheriff's officials said about a half pound of methamphetamine was found between the home and business.
Deputies arrested Hernandez, Denise Piiwaa, 51, Cory Anweiler, 41, Michael Gardner, 34, Aaron Moron, 20, and Joseph Ronquillo, 37, all of Yucaipa.
They were booked into Central Detention Center in San Bernardino on suspicion of drug-related felonies, misdemeanors and arrest warrants.
Reach Melissa via email or call her at 909-386-3878.
Get the latest crime and public safety news on Twitter @IECrime.