- A-1 Survey Stakes
- American Paulin System
- Arc Gateway
- Brandis & Sons Inc
- Buck Research Humidity
- Bux-Mont Agency
- Bux-Mont Amvets
- Chicago Steel Tape Co
- Chicago Steel Tape Co
- Chicago Steel Tape Co
- Condata Inc
- Delta Epsilon Instrument Inc
- Electro Optical Instruments
- General Business Co
- General Business Co
- Gfi Genfare
- Gfi Genfare
- Horizon Measurements Inc
- Intergraph
- Johnson Lumber Products
- Leica Geosystems Inc
- Mansell Stake Shop
- Monarch Industries
- Nashville Blue Print & Supply
- Nikon Instrument Group
- Paton's Lumber Mill
- Positioning Solutions Co
- Rambo & Sons Inc
- Rice Stake & Wood Products
- Sokkia Central & South America
- Trimble Navigation
- Tripod Data Systems
- Wilks Enterprise Inc
