Businesses who offer agricultural NH3 bulk tank and/or equipment inspection services are listed below. The MDA does not recommend or endorse any of the businesses or individuals listed. The information is provided as a resource should anyone desire to have their NH3 equipment or storage facility inspected.

If you would like to be included in the list as a business or person who provides NH3 equipment or bulk storage tank inspection services, please contact Jane Boerboom at 651-201-6540 or jane.boerboom@state.mn.us. The list will be updated as needed.

Inspection Services - Listed in alphabetical order

Business Services
CMS Petroleum Equipment
John Schultz
P.O. Box 85
Morris, MN 56267
Office: 320-589-9017 Cell:  320-760-4146
Email: jschultz004@msn.com
  • Inspection and testing of NH3 facilities
  • Full NH3 installation, maintenance and repairs of components and piping.
Craig's Restoration & Repair LLC
1029 Vail Avenue
Durant, IA 52747
Office: 563-785-4887 • Sales: 309-791-7727
Email: ppelzer06@hotmail.com
  • Inspection and testing of NH3 facilities.
  • Full NH3 installation, maintenance and repairs of components and piping.
  • Nurse tank inspection/testing complying with DOT regulations.
  • R-Stamp accredited to perform welded alterations and repairs of NH3 tanks.
Double D Tank Inspections LLC
70225 Yale Avenue
Fairbury, NE 68352
Office: 402-729-5387
Don Osborne Cell: 402-300-0493
Dennis Merideth Cell: 402 -300-0926
Email: osbornewelding@yahoo.com
  • Nurse tank inspection/testing complying with DOT regulations.
Hi Yield Products Inc.
Attn: Kevin Reed
23282 620th Avenue
Alden, MN 56009
Office: 507-874-3750
Email: hiyieldproducts@yahoo.com
  • Inspection and testing of NH3 facilities. 
  • NH3 installation, maintenance and repairs of components and piping.
Judson Tank Co.
221 West Sixth Street
Mankato, MN 56001
Mark Kane, President, Mankato, 507-380-9327
Jason Schoenbauer, Northfield, 507-381-7876
Jason Hellickson, Central MN, 507-381-7832
Email: judsontank@hickorytech.net
  • Inspection and testing of NH3 facilities.
  • Full NH3 installation, maintenance and repairs of components and piping.
  • Nurse tank inspection/testing complying with DOT regulations.
  • R-Stamp accredited to perform welded alterations and repairs of NH3 tanks.
RJT Testing & Service LLC
Randy Fults
49134 150th Street
Donnelly, MN 56235
Office: 320-589-4421 • Cell: 320-288-6115
Email: joanfults@yahoo.com
  • Inspection and testing of NH3 facilities.
  • NH3 installation, maintenance and repairs of components and piping.
  • Nurse tank inspection/testing complying with DOT regulations.
Westmor Industries
Eric Rose
3 Development Drive
Morris, MN 56267
Office: 320-589-2100
  • Inspection and testing of NH3 facilities.
  • Full NH3 installation, maintenance and repairs of components and piping.
  • R-Stamp accredited to perform welded alterations and repairs of NH3 tanks.
  • U-Stamp accredited to construct ASME code bulk storage tanks.