The arrests came after an undercover operation by the county's Narcotics Task Force, District Attorney Jack Stollsteimer announced Tuesday.
The effort was dubbed "Operation Sparkplug."
Nearly 8.5 kilograms of cocaine, $100,000 in cash, several vehicles and a cache of weapons were seized.
The suspects were identified as:
-Shamar Campbell, 35, Upland, Pa.
-Shawn Payne, 53, Sicklerville, N.J.
-Lydell Heyward, 49, Philadelphia
-Amir Colder, 45, Claymont, Del.
-Marece Scott, 39, Chester, Pa.
-William Johnson, 64, Chester, Pa.