| Name | Title | Contact Details |
|---|
beckman production services is a Kalkaska, MI-based company in the Energy and Utilities sector.
Dorchester Minerals, L.P. is a Dallas based owner of producing and non-producing crude oil and natural gas mineral, royalty, overriding royalty, net profits, and leasehold interests and its common units trade on the NASDAQ Global Select Market under the symbol DMLP.
Phillips Oil is a Crestview, FL-based company in the Energy and Utilities sector.
Frost Oil Co is a Van Buren, AR-based company in the Energy and Utilities sector.
Petroleum Helicopters International, Inc., is an American commercial helicopter operator, founded in 1949, by Robert L.