B510 - SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS
C1LB - ARCHITECT AND ENGINEERING- CONSTRUCTION: HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS
C1NE - ARCHITECT AND ENGINEERING- CONSTRUCTION: WATER SUPPLY FACILITIES
C1NZ - ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER UTILITIES
C1PA - ARCHITECT AND ENGINEERING- CONSTRUCTION: RECREATIONAL FACILITIES (NON-BUILDING)
C211 - ARCHITECT AND ENGINEERING- GENERAL: LANDSCAPING, INTERIOR LAYOUT, AND DESIGNING
C213 - ARCHITECT AND ENGINEERING- GENERAL: INSPECTION (NON-CONSTRUCTION)
C219 - ARCHITECT AND ENGINEERING- GENERAL: OTHER
F103 - ENVIRONMENTAL SYSTEMS PROTECTION- WATER QUALITY SUPPORT
F110 - ENVIRON SYS PROTECT- DEVELOPMENT OF ENVIRON IMPACT STMTS/ASSESSMENTS, TECH ANALYSIS/ENVIRON AUDITS
F113 - ENVIRONMENTAL SYSTEMS PROTECTION- WETLANDS CONSERVATION AND SUPPORT
F114 - ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL LICENSING AND PERMITTING
F999 - OTHER ENVIRONMENTAL SERVICES