Please click on the company name for more details.
| Canada | SPS Quebec |
| USA | Tri-State Value & Instrument Co.
|
| USA – Illinois | Andon Midwest |
| USA – Indiana | Andon Midwest |
| USA – Iowa | Andon Midwest |
| USA – Kansas | Andon Midwest |
| USA – Kentucky | Andon Midwest |
| USA – Louisiana | Andon Specialties |
| USA – Michigan | Andon Midwest |
| USA – Minnesota | Andon Midwest |
| USA – Missouri | Andon Midwest |
| USA – North Dakota | Andon Midwest |
| USA – Ohio | Andon Midwest |
| USA – South Dakota | Andon Midwest |
| USA – Tennessee | Andon Specialties |
| USA – Texas | Andon Specialties – North Texas |
| USA – Texas | Andon Specialties – South Texas |
| USA – Wisconsin | Andon Midwest |
