Hall Mark Compressor [P] Limited manufactures Single Stage Air Compressor. Hall Mark Compressor [P] Limited is the manufacturer and exporter of air cooled and water cooled, lubricated and non lubricated air compressors in single or multistage construction from 1 hp to 60 hp, 330 CFM and up to 1000 psig. Single Stage Air Compressor is a reliable source of low pressure air for numerous applications. Single Stage Air Compressor is designed to meet the demanding needs of varied range of users who demand a constant and reliable source of low pressure air. These air compressors are ideal for a multitude of small business uses including bore well, chemical industries, circuit breaking, spray painting, granting & cleaning, pneumatic tools, liquid transfer etc.