Hari Machines Limited (HML) is a company belonging to Dalmia group that has OCL India Ltd (formerly Orissa Cement Ltd) as the group's flagship company. The group has interests in cement, mining, refractories, steel, software, fertilizer, chemicals, financial services, mechanical and engineering equipment.

HML is catering to the needs of various core sector industries for the last three and half decades by manufacturing, exporting and supplying them world class heavy industrial machinery and equipment. Consistency in maintaining international quality standards, reliable after sales service and customer satisfaction has earned the company repute and respect among industrial giants at home and abroad. HML is commited to carrying the touch forward to new destination and achievements.