The design, manufacture, and sale of centrifugal compressors (blowers and exhausters), vacuum cleaning systems, liquid filtration equipment, and waste handling systems have been the hallmark of Hoffman for nearly 100 years.

• See also:
• Masterformat 2004
• 11 57 00 - Vocational Shop Equipment
• 11 82 00 - Solid Waste Handling Equipment
• 11 82 13 - Solid Waste Bins
• 11 82 19 - Packaged Incinerators
• 11 82 23 - Recycling Equipment
• 11 82 26 - Waste Compactors and Destructors
• 14 91 82 - Trash Chutes
• 23 37 00 - Air Outlets and Inlets
• 23 37 13 - Diffusers, Registers, and Grilles
• 23 37 23 - HVAC Gravity Ventilators
• 41 00 00 - MATERIAL PROCESSING AND HANDLING EQUIPMENT
• 42 00 00 - PROCESS HEATING, COOLING, AND DRYING EQUIPMENT
• 43 00 00 - PROCESS GAS AND LIQUID HANDLING, PURIFICATION, AND STORAGE EQUIPMENT
• 44 41 00 - Water Pollution Containment and Cleanup Equipment
• 44 50 00 - SOLID WASTE CONTROL AND REUSE
• 44 51 00 - Solid Waste Collection, Transfer, and Hauling Equipment
• 44 53 61 - Solid Waste Compactors
• 45 00 00 - INDUSTRY-SPECIFIC MANUFACTURING EQUIPMENT
• Masterformat 1995
• 11170 - Solid Waste Handling Equipment
• 11300 - Fluid Waste Treatment & Disposal
• 11500 - Industrial and Process Equipment
• 15850 - Air Outlets and Inlets