Fossil fuel industries
The 11 Morningstar industries considered fossil fuel and screened by Fossil Free Funds are combined into three overall categories: coal, oil/gas, and fossil-fired utilities. The industries within these three categories include:

Coal
Coal: Companies engaged in mining coal.

Oil/gas
Drilling: Companies primarily engaged in contract drilling and exploration for petroleum and natural gas, including offshore and onshore drilling as well as related oil well and contracting services.
E&P: Energy companies which are primarily engaged in gas exploration and production.
Integrated: Major energy companies engaged in the diverse aspects of oil and gas operations including crude oil and gas exploration, production, manufacturing, refining, marketing and transportation.
Midstream: Companies primarily engaged in owning and operating oilfield pipelines involving the gathering, processing and transportation of natural crude petroleum.
Refining and Marketing: Companies primarily engaged in the refining, gathering, marketing and selling of petroleum and petroleum products.
Equipment and Services: Companies primarily engaged in providing oilfield services and equipment such as contract drilling, seismic surveys, equipment and tool rental, pumping and processing services, inspection and contracting services.

Fossil-fired utilities
Independent Power Producers: Companies that own and operate merchant power generation facilities and sell electricity into retail and wholesale markets.
Diversified: Companies engaged in the regulated generation, transmission and/or distribution of electricity and natural gas, and own and operate merchant power generation facilities and energy marketing operations.
Regulated Electric: Companies engaged in the generation, transmission and/or distribution of electric energy for sale.
Regulated Gas: Companies engaged in the transmission, storage and/or distribution of natural gas.
Utilities in these industries that are 100% renewable are not flagged as fossil fuel companies.