Laboratories Seed Testing

Mid-West Seed Service Inc
236 32nd Ave, Brookings, SD 57006, (605) 692-7611

Syngenta Seeds Inc
809 32nd Ave, Brookings, SD 57006, (605) 692-6740

Plummers Seed Co Inc
Po Box 70, Ephraim, UT 84627, (435) 283-4844

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