Malvern Energy Companies
3 companies listed

Haly Oil, now Haly Home Comfort, started in 1985 with one truck and one customer.  Delivering home heating oil was the initial focus, but it wasn’t long before a service department was added.    The company continued to grow, gradually expanding its offerings to include a full-service…

We have been in the heating & cooling business for over 30 years and started Great Valley Propane (GVP) in 2006, as the sister company of Haly Oil (now Haly Home Comfort). We first started the business when we saw our customer’s need for propane in conjunction to heating oil. We wanted to…

Environex, Inc. is a full-service catalyst testing and development company with more than 25 years of experience in the emissions control catalyst industry. We provide top-quality service to industrial clients as well as develop and improve novel catalysts and washcoats for a wide…