Accounting Admin - Accounts Receivable. Precision Contracting Services (PCS) is a Fiber Optic Design/Build Network Integration firm headquartered in Jupiter, FL. PCS conducts business across the southern United States. Since our inception in 1990, PCS has completed thousands of communication projects ranging from private Optical LANs to City-County-Sate wide infrastructure including design, build, integrate and documentation services. PCS service...