All Services Engineering & Architecture Civil Engrs $10/hr · Starting at $50 Billing, bbs, area calculation , quantity calculation, data entry work. I am having 13 years civil site work experince with billing and execution work. About $10/hr · Ongoing Download Resume Billing, bbs, area calculation , quantity calculation, data entry work. I am having 13 years civil site work experince with billing and execution work. Skills & Expertise BillingData Entry 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Billing ServicesData Entry Experts