Small business self-certification, a one-year certification which requires annual renewal, is a prerequisite for verification as a Small Diverse Business. Visit smallbusiness.pa.gov for program guidelines, Frequently Asked Questions (FAQs), and step-by-step instructions for the self-certification process.
The main uses for coal are Fuels, Plastics and Electricity.
1 Steam coal - also known as thermal coal - is mainly used in power generation. 2  Coking coal - also known as metallurgical coal - is mainly used in steel production.  Other important users of coal include alumina refineries, paper manufacturers, and the chemical and pharmaceutical industries.