Industry Related

• ASHRAE – American Society of Heating, Refrigeration, and Air-Conditioning Engineers
• SMACNA – Sheet Metal and Air Conditioning Contractors National Association
• ACCA – Air Conditioning Contractors of America
• Snips – Snips Magazine
• Wendes – HVAC Computerized Estimating System
• Malco – Sheet Metal snips and tools
• DuroDyne – HVAC Accessories
• Lockformer – Sheet metal forming machinery
• Greenheck – Ventilation Fans and Equipment
• Continental Register – Registers, grilles, and diffusers
• HVAC-City – Online HVAC resource
• Sweets – Online building product information
• ConstructionNet – Comprehensive directory of builders, contractors, material suppliers, and design professionals
• Titus – Registers, grilles, and diffusers
• Certainteed – Duct wrap insulation

  Computer Related

• Microsoft – Microsoft Corporation
• AutoDesk – Makers of AutoCAD software
• Mcafee – AntiVirus Software
• Linux Journal Magazine – Resources and info for the Linux operating system
• PC Magazine
• MCP Magazine – Microsoft Certified Professional Magazine
• CNet