| Cat Name | Cat ID | Comment |
|---|
| + | Antiques | 20081 | |
| + | Art | 550 | |
| + | Baby | 2984 | |
| + | Books | 267 | |
| - | Business & Industrial | 12576 | |
| | - | Agriculture & Forestry | 11748 | |
| | | + | Antique Tractors & Equipment | 45009 | |
| | | + | Farm Implements & Attachments | 26186 | |
| | | | Farm Implement Manuals & Books | 170061 | New Category |
| | | | Farm Implement Parts | 48712 | Moved from [Farm Implements & Attachments-26186] Renamed from [Parts & Accessories] |
| | | + | Forestry Equipment & Supplies | 61787 | |
| | | | GPS & Guidance Equipment | 159685 | |
| | | + | Livestock Supplies | 46526 | |
| | | + | Stationary Engines | 58175 | |
| | | + | Tractors & Farm Machinery | 91952 | |
| | | | Tractor Manuals & Books | 147798 | |
| | | | Tractor Parts | 121876 | |
| | | | Other | 1269 | |
| | | | Wholesale Lots | 45013 | |
| | + | Businesses & Websites for Sale | 11759 | |
| | + | Construction | 11765 | |
| | - | Electrical & Test Equipment | 92074 | |
| | | + | Circuit Breakers, Transformers | 92075 | |
| | | + | Connectors, Switches & Wire | 100016 | |
| | | + | Electrical Equipment & Tools | 100182 | |
| | | + | Electronic Components | 4659 | |
| | | + | Industrial Automation, Control | 42892 | |
| | | + | Motors & Transmissions | 26225 | |
| | | - | Test Equipment | 4676 | |
| | | | | Attenuators | 36316 | |
| | | | | Broadcast Measurement | 50953 | |
| | | | | Calibrators | 25399 | |
| | | | | Card Based (VXI/PXI/PCI) | 58272 | |
| | | | | Cellular Test Equipment | 97136 | |
| | | | | Counters & Timers | 25401 | |
| | | | + | Data Acquisition & Recorders | 36314 | |
| | | | + | Datacom & Telecom Measurement | 97137 | |
| | | | + | Electrical Power Measurement | 50960 | |
| | | | | Frequency Power Meters | 25413 | |
| | | | | Gas Testers | 50965 | |
| | | | | Impedance & LCR (QZ) Meters | 25421 | |
| | | | + | Logic Analyzers | 97231 | |
| | | | | Manuals & Books | 25409 | |
| | | | + | Meters | 25410 | |
| | | | + | Network Analyzers | 97658 | |
| | | | | Optical Test Equipment | 73165 | |
| | | | | Oscilloscopes | 104247 | |
| | | | + | Parts, Accessories & Plug-Ins | 36315 | |
| | | | + | Power Supplies | 50967 | |
| | | | | Probes | 50971 | |
| | | | | Radiation Testers | 58289 | |
| | | | | Reflectometers | 73171 | |
| | | | | Satellite and Radar Test | 73172 | |
| | | | + | Signal Sources & Generators | 97659 | |
| | | | | Sound & Audio Measurement | 25423 | |
| | | | + | Spectrum Analyzers | 97201 | |
| | | | | Television Test Equipment | 73173 | |
| | | | | Thermometers | 50974 | |
| | | | | Time Test Equipment | 73174 | |
| | | | | Tube Testers | 170062 | New Category |
| | | | | Other | 1504 | |
| | | | Other | 92078 | |
| | | | Wholesale Lots | 52534 | |
| | + | Fuel & Energy | 159693 | |
| | + | Healthcare, Lab & Life Science | 11815 | |
| | + | Industrial Supply & MRO | 1266 | |
| | + | Manufacturing & Metalworking | 11804 | |
| | + | Office | 25298 | |
| | + | Packing & Shipping | 19273 | |
| | + | Printing & Graphic Arts | 26238 | |
| | + | Restaurant & Catering | 11874 | |
| | + | Retail & Services | 11890 | |
| | | Other | 26261 | |
| + | Cameras & Photo | 625 | |
| + | Cell Phones & PDAs | 15032 | |
| + | Clothing, Shoes & Accessories | 11450 | |
| + | Coins & Paper Money | 11116 | |
| + | Collectibles | 1 | |
| + | Computers & Networking | 58058 | |
| + | Crafts | 14339 | |
| + | Dolls & Bears | 237 | |
| + | DVDs & Movies | 11232 | |
| + | Electronics | 293 | |
| + | Entertainment Memorabilia | 45100 | |
| | Gift Certificates | 31411 | |
| + | Health & Beauty | 26395 | |
| + | Home & Garden | 11700 | |
| + | Jewelry & Watches | 281 | |
| + | Music | 11233 | |
| + | Musical Instruments | 619 | |
| + | Pet Supplies | 1281 | |
| + | Pottery & Glass | 870 | |
| + | Real Estate | 10542 | |
| + | Specialty Services | 316 | |
| + | Sporting Goods | 382 | |
| + | Sports Mem, Cards & Fan Shop | 64482 | |
| + | Stamps | 260 | |
| + | Tickets | 1305 | |
| + | Toys & Hobbies | 220 | |
| + | Travel | 3252 | |
| + | Video Games | 1249 | |
| + | Everything Else | 99 | |
| + | QA Test Clothing Shoes & Acces | 166299 | |
| + | QA Test Books | 168673 | |
| + | Partner | 10159 | |
