713-759-1981 (Tel) 713-759-0360 (Fax)

Knowledge and experience is power and key
to our business model.

Based in Houston formed in 1982, Hollo & Associates, LLC and Aries Operating LP offer oil and gas consulting, acquisition and operating services to the oil industry. We employ a proven and experienced professional team. Our mission is to serve the oil and gas industry in a responsible, efficient and profitable manner.