Accounting indirect expenses head query

I am working in a company who is taking contactor of building construction. It’s a new company and we have received 2 or 3 contract till now. I want to know that which expenses head I should open for purchasing of material like  1. Nail, cement, Bled, nut, plywood, sand, iron sheet, PVC Hand Gloves, Plastic Shoes for Labour, Cable roll, PVC tape, rope, painting material example chuna, brush, etc. please help me for this I am new to construction company.  Thanks