GSIN
*5139B
*B219A
*C122A
*C129A
*C212B
*C213A
*C216BA
*C216BB
*C216C — *Engineering Works, Not Elsewhere Specified
*Other Engineering Studies
*Architectural & Engineering Services - Highways, Roads, Railways,Bridges and Dams
*Architectural & EngineeringServices - Other Non-Building Structures
*Architectual & Engineering CADD Services
*Architectural & Engineering Inspection Services
*Marine Systems and Engineering
*Technical Investigations and Engineering Services (TIES) (Marine)
*Marine Architect and Engineering Services
*Engineering Services
*Engineering Services
*Engineering Services: Quantity Survey/Cost Estimating
*Inspection, Engineering Services, Marine
*Sonic Testing of Piling and Structural Members
*Structural Members, Concrete, Precast, Prestressed