On Dec. 2, O’Reilly Auto Parts marked its 60th year in business.

O’Reilly Automotive opened its first store on Dec. 2, 1957, in Springfield, Mo., with 13 employees. In 1958, its first full year, the store totaled $700,000 in sales, according to the O’Reilly website.

Fast-forward to 2016, when the company reported $8.6 billion in sales.

As of 2016, O’Reilly had more than 74,000 employees at 4,829 stores in 47 states, according to the company’s annual report. The company’s 27 distribution centers stock an average of 148,000 part numbers, according to the company.

The annual report emphasizes that team members are O’Reilly’s greatest assets.

“O’Reilly’s promote-from-within philosophy allows us to continually perpetuate our culture and instill our values in each new member of Team O’Reilly,” the company explains. “Our experienced, well-trained, technically proficient store teams are equipped to provide industry-leading customer service in every new store we open.”