The incident occurred shortly after 8:00 p.m. on Sunday at Ed's Pizza located at 6047 Ogontz Avenue.
There, police say two unknown males, one with a handgun, enter the shop demanding money. One suspect pointed the gun at an employee, telling them to put money inside a yellow bag.
The second suspect went behind the counter and stole money from cash registers and a delivery driver.
Both suspects fled on foot with approximately $550. They were last scene crossing Ogontz Avenue heading into the rear driveway of Spencer Street.
There were no reported injuries.
Police describe the first suspect as a male, late teens to early 20's. He is about 5'8" with a stocky build. He was last seen in a dark hooded sweatshirt and dark pants. He used a white cloth to cover the his face and was armed with a handgun.
The second suspect is also described as a male in his late teens to early 20's. He is described as having a thin build and standing about 6'0." He was wearing a dark knit mast at the time of the robbery.
Anyone with information are asked to call Philadelphia Police, Northwest Division at 215-686-3353/3354.