← All contactsStephan J. Harrisstephan.harris@gsa.gov · 1 award · $755,885 totalAwards?Sort:Date▼AmountDesign Build Security System Infrastructure Installation US Post Office and Courthouse Ave Texarkana, ARGENERAL SERVICES ADMINISTRATION / PUBLIC BUILDINGS SERVICE → BIG C CONSTRUCTION, L.L.C Skiatook OK 74070 USAprimary47PH0526C0001NAICS 236220$755,885Oct 29, 2026