Profile: Test Mark Industries is a manufacturer of precision testing equipments. We offer compression testing machines & their accessories, sample preparation equipment, concrete air meters and concrete slump testing kits. We distribute a full range of scales and balances, sieves and sieve shakers, sample molds, thermometers, soil compaction hammers and glassware. Our high capacity series compression testing machines are designed to meet the demands of testing high strength specimens in a production testing program where accurate and repeatable test results are required.