SIP Hay Making Machinery A highly competitive range of robust hay and silage mowers, tedders and rotary rakes. SIP also manufactures a number of models for other well known european brands - a credit to their design and build quality. Company Profile The Inlon - Agrimec Group is a privately owned national distributor of agricultural tractors and farm machinery. A family owned business that started 23 years ago. Its headquarters are located on the NSW Central Coast.