This is the 19th time East Penn has ranked on the list in Large Company Category.
Cooper placed within the top 20 percent, ranking 143 out of 750 companies on the list
This is the second year in a row the company has made the list.
Service King has now finished among the top five businesses in the DFW Best Places to Work rankings seven straight years and finished No. 1 in 2015.
The award recognizes and honors the best employers in the state of South Carolina, benefiting the state’s economy, workforce and businesses.
In the U.S., Magna ranked in the top 20 percent of the 500 best large employers and also performed well in the auto segment, ranking fifth out of 19 companies.