| 906 02 | ACOUSTICS, NOISE ABATEMENT, ARCHITECTURAL SERVICES |
| 906 04 | AGRICULTURAL DEVELOPMENT, ARCHITECTURAL SERVICES |
| 906 06 | AIRPORTS, LIGHTING, FUELING, NAVAIDS, ARCHITECTURAL SERVICES |
| 906 07 | ARCHITECT SERVICES, PROFESSIONAL, (NOT OTHERWISE CLASSIFIED), INCLUDING CONSULTING |
| 906 08 | AUTOMATION; CONTROLS; INSTRUMENTATION, ARCHITECTURAL SERVICES |
| 906 10 | BUILDINGS, ARCHITECTURAL DESIGN SERVICES |
| 906 12 | BUILDING SANITATION, ARCHITECTURAL SERVICES |
| 906 14 | CEMETERIES, PLANNING AND RELOCATION, ARCHITECTURAL SERVICES |
| 906 16 | CHEMICAL PROCESSING AND STORAGE, ARCHITECTURAL SERVICES |
| 906 18 | COLD STORAGE; REFRIGERATION; FAST FREEZE, ARCHITECTURAL SERVICES |
| 906 19 | CONCRETE, ARCHITECTURAL SERVICES |
| 906 22 | CORROSION CONTROL; CATHODIC PROTECTION; ELECTROLYSIS, ARCHITECTURAL SERVICES |
| 906 24 | DESALINIZATION, PROCESS AND FACILITIES, ARCHITECTURAL SERVICES |
| 906 25 | DESIGN BUILD, ARCHITECTURAL SERVICES (INACTIVE, EFFECTIVE JANUARY 1, 2016) |
| 906 26 | ELECTRONICS, ARCHITECTURAL SERVICES |
| 906 27 | ENERGY MANAGEMENT, ARCHITECTURAL SERVICES |
| 906 28 | ENERGY CONSERVATION; NEW ENERGY SOURCES, SOLAR, ETC., ARCHITECTURAL SERVICES |
| 906 29 | ENVIRONMENTAL AND ENERGY, ARCHITECTURAL SERVICES |
| 906 30 | FIRE PROTECTION, ARCHITECTURAL SERVICES |
| 906 32 | FISHERIES; FISH LADDERS, ARCHITECTURAL SERVICES |
| 906 33 | FORENSIC, ARCHITECTURAL SERVICES |
| 906 34 | FREIGHT HANDLING; MATERIALS HANDLING, ARCHITECTURAL SERVICES |
| 906 36 | GAS SYSTEMS, PROPANE, NATURAL, ETC., ARCHITECTURAL SERVICES |
| 906 38 | GENERAL CONSTRUCTION, ARCHITECTURAL SERVICES |
| 906 40 | GRAPHIC DESIGN, ARCHITECTURAL SERVICES |
| 906 42 | HARBORS; JETTIES; PIERS; SHIP TERMINAL FACILITIES, ARCHITECTURAL SERVICES |
| 906 44 | HEATING; VENTILATING; AIR CONDITIONING, ARCHITECTURAL SERVICES |
| 906 46 | HIGHWAYS; STREETS; AIRPORT PAY-PARKING LOTS, ARCHITECTURAL SERVICES |
| 906 48 | HISTORICAL PRESERVATION |
| 906 50 | INDUSTRIAL PROCESSES; QUALITY CONTROL (INACTIVE, EFFECTIVE JANUARY 1, 2016) |
| 906 52 | INTERIOR DESIGN, DECORATING, SPACE PLANNING, EXHIBITS AND DISPLAYS |
| 906 54 | IRRIGATION; DRAINAGE; FLOOD CONTROL, ARCHITECTURAL SERVICES |
| 906 56 | LANDSCAPE, ARCHITECTURAL SERVICES |
| 906 57 | LAND DEVELOPMENT AND PLANNING, ARCHITECTURAL SERVICES |
| 906 58 | LIGHTING, INTERIOR, EXTERIOR, ARCHITECTURAL SERVICES |
| 906 60 | MINING AND MINERALOGY, ARCHITECTURAL SERVICES |
| 906 61 | MODELS OF LAYOUTS AND BUILDINGS TO SCALE, ARCHITECTURAL SERVICES |
| 906 62 | PETROLEUM AND FUEL, STORAGE AND DISTRIBUTION, ARCHITECTURAL SERVICES |
| 906 64 | PLANNING, URBAN, COMMUNITY, REGIONAL, AREA WIDE, AND STATE |
| 906 66 | PLANNING, SITE, INSTALLATION AND PROJECT |
| 906 68 | POWER GENERATION, TRANSMISSION, DISTRIBUTION, ARCHITECTURAL SERVICES |
| 906 69 | CORRECTIONAL FACILITIES, ARCHITECTURAL DESIGN SERVICES |
| 906 70 | RAILROAD; RAPID TRANSIT; MONORAIL, ARCHITECTURAL SERVICES |
| 906 72 | RECREATION FACILITIES, PARKS, MARINAS, ETC., ARCHITECTURAL SERVICES |
| 906 74 | RECYCLING SYSTEMS, ARCHITECTURAL SERVICES |
| 906 78 | SECURITY SYSTEMS; INTRUDER AND SMOKE DETECTION, ARCHITECTURAL SERVICES |
| 906 80 | SEWAGE COLLECTION, TREATMENT, AND DISPOSAL, ARCHITECTURAL SERVICES |
| 906 82 | SOLID WASTE DISPOSAL SYSTEMS, ARCHITECTURAL SERVICES |
| 906 83 | SPORTS FACILITY, ARCHITECTURAL SERVICES |
| 906 84 | TELECOMMUNICATIONS SYSTEMS, TELEPHONE, CELLULAR, RADIO, ETC., ARCHITECTURAL SERVICES |
| 906 88 | TOWERS, ARCHITECTURAL SERVICES |
| 906 90 | TUNNELS AND SUBWAYS, ARCHITECTURAL SERVICES |
| 906 92 | UTILITIES, GAS, STEAM, ELECTRIC, ARCHITECTURAL SERVICES |
| 906 93 | VIDEO AND AUDIO SYSTEMS DESIGN, ARCHITECTURAL SERVICES (INACTIVE, PLEASE SEE COMMODITY CODE 906-26 EFFECTIVE JANUARY 1, 2016) |
| 906 94 | WATER SUPPLY, TREATMENT AND DISTRIBUTION, ARCHITECTURAL SERVICES |