- 12 30 00 - CASEWORK
- 12 35 00 - Specialty Casework
- 12 35 17 - Bank Casework
- 12 35 25 - Hospitality Casework
- 12 35 30 - Residential Casework
- 12 35 50 - Educational/Library Casework
- 12 35 53 - Laboratory Casework
- 12 35 59 - Display Casework
- 12 35 70 - Healthcare Casework
- 12 35 91 - Religious Casework
- 12 50 00 - FURNITURE
- 12 51 00 - Office Furniture
- 12 51 16 - Case Goods
- 12 51 83 - Custom Office Furniture
- 12 59 00 - Systems Furniture
- 12 60 00 - MULTIPLE SEATING
- 12 61 00 - Fixed Audience Seating
- 12 62 00 - Portable Audience Seating
- 12 62 13 - Folding Chairs
- 12 62 16 - Interlocking Chairs
- 12 62 19 - Stacking Chairs
- 12 64 00 - Booths and Tables
- 12 65 00 - Multiple-Use Fixed Seating
- 12300 - Manufactured Casework
- 12350 - Specialty Casework
- 12500 - Furniture
- 12510 - Office Furniture
- 12600 - Multiple Seating
- 12610 - Fixed Audience Seating
- 12620 - Portable Audience Seating
- 12640 - Booths and Tables
- 12650 - Multiple-Use Fixed Seating
- 12700 - Systems Furniture
- 13 31 00 - Fabric Structures
- 13 31 23 - Tensioned Fabric Structures
- 13 34 00 - Fabricated Engineered Structures
- 13 34 13 - Glazed Structures
- 13 34 16 - Grandstands and Bleachers
- 13 34 19 - Metal Building Systems
- 13 34 23 - Fabricated Structures
- 13 34 56 - Observatories
- 13 44 00 - Modular Mezzanines
- 13120 - Pre-Engineered Structures