ROSS & PETHTEL, INC. is an electrical/electronic manufacturing company based out of 10905 N Harrell's Ferry Rd. BATON ROUGE, Louisiana, United States. Ross and Pethtel, Inc. has serviced our customers for over 50 years. Our solutions to your industrial heating needs are powered by quality brands like Grieve and Chromalox. If you need portability, dependability, durability, and affordability from your industrial heating system, talk to one of our specialists about the products that can get the job done.