C1AA - ARCHITECT AND ENGINEERING- CONSTRUCTION: OFFICE BUILDINGS

C1AB - ARCHITECT AND ENGINEERING- CONSTRUCTION: CONFERENCE SPACE AND FACILITIES

C1AZ - ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER ADMINISTRATIVE FACILITIES/SERVICE BUILDINGS

C1BA - ARCHITECT AND ENGINEERING- CONSTRUCTION: AIR TRAFFIC CONTROL TOWERS

C1BB - ARCHITECT AND ENGINEERING- CONSTRUCTION: AIR TRAFFIC CONTROL TRAINING FACILITIES

C1BC - ARCHITECT AND ENGINEERING- CONSTRUCTION: RADAR AND NAVIGATIONAL FACILITIES

C1BE - ARCHITECT AND ENGINEERING- CONSTRUCTION: AIRPORT TERMINALS

C1BZ - ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER AIRFIELD STRUCTURES

C1CA - ARCHITECT AND ENGINEERING- CONSTRUCTION: SCHOOLS

C1CZ - ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER EDUCATIONAL BUILDINGS

C1DA - ARCHITECT AND ENGINEERING- CONSTRUCTION: HOSPITALS AND INFIRMARIES

C1DB - ARCHITECT AND ENGINEERING- CONSTRUCTION: LABORATORIES AND CLINICS

C1DZ - ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER HOSPITAL BUILDINGS

C1EB - ARCHITECT AND ENGINEERING- CONSTRUCTION: MAINTENANCE BUILDINGS

C1FB - ARCHITECT AND ENGINEERING- CONSTRUCTION: RECREATIONAL BUILDINGS

C1FD - ARCHITECT AND ENGINEERING- CONSTRUCTION: DINING FACILITIES

C1FE - ARCHITECT AND ENGINEERING- CONSTRUCTION: RELIGIOUS FACILITIES

C1GZ - ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER WAREHOUSE BUILDINGS

C1HA - ARCHITECT AND ENGINEERING- CONSTRUCTION: GOVERNMENT-OWNED CONTRACTOR-OPERATED (GOCO) R&D FACS

C1HB - ARCHITECT AND ENGINEERING- CONSTRUCTION: GOVERNMENT-OWNED GOVERNMENT-OPERATED (GOGO) R&D FACS

C1HC - ARCHITECT AND ENGINEERING- CONSTRUCTION: GOVT-OWNED CTR-OPERATED (GOCO) ENVIRONMENTAL LABORATORIES

C1HZ - ARCHITECT AND ENGINEERING- CONSTRUCTION: GOVT-OWNED GOVT-OPERATED (GOGO) ENVIRONMENTAL LABORATORIES

C1JA - ARCHITECT AND ENGINEERING- CONSTRUCTION: MUSEUMS AND EXHIBITION BUILDINGS

C1JB - ARCHITECT AND ENGINEERING- CONSTRUCTION: TESTING AND MEASUREMENT BUILDINGS

C1JZ - ARCHITECT AND ENGINEERING- CONSTRUCTION: MISCELLANEOUS BUILDINGS

C1KZ - ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER CONSERVATION AND DEVELOPMENT FACILITIES

C1LZ - ARCHITECT AND ENGINEERING- CONSTRUCTION: PARKING FACILITIES

C1PA - ARCHITECT AND ENGINEERING- CONSTRUCTION: RECREATIONAL FACILITIES (NON-BUILDING)

C1PB - ARCHITECT AND ENGINEERING- CONSTRUCTION: EXHIBIT DESIGN (NON-BUILDING)

C1PZ - ARCHITECT AND ENGINEERING- CONSTRUCTION: OTHER NON-BUILDING FACILITIES

C211 - ARCHITECT AND ENGINEERING- GENERAL: LANDSCAPING, INTERIOR LAYOUT, AND DESIGNING

C213 - ARCHITECT AND ENGINEERING- GENERAL: INSPECTION (NON-CONSTRUCTION)

C219 - ARCHITECT AND ENGINEERING- GENERAL: OTHER