SAN ANTONIO, Texas–(BUSINESS WIRE)–Howard Energy Partners (HEP) today announced that GRESB has awarded the company a five-star ESG rating, a top-tier classification which is based on HEP’s overall score relative to the other 648 companies participating in the assessment. HEP also scored in the top 10 percent of all private companies who participated in the GRESB assessment and was named the 2022 Most Improved in Infrastructure. Additionally, the company achieved the highest Performance Score