Businesses who offer agricultural NH3 bulk tank and/or equipment 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 NH3 equipment installed or maintained.

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

Contractors - listed in alphabetical order

BusinessServices
Ammonia Propane Solutions / Craig's Restoration & Repair LLC
ammoniapropanesolutions.com
Cody Taylor / Mark Benedict
706 East 5th Street
P.O. Box 445
Wilton, IA 52778
Office: 563-785-4887 
Email: aps.nh3@gmail.com
  • API 510 Inspections State of Iowa
  • Technical Support
  • NH3 Installations/Assembly Packages Updates and Repairs
  • Nurse Tank D.O.T Inspections
  • New/Rebuilt Pump Exchange Program
  • Facility/Approval Drawings
  • Underground Line Pressure Test
  • General Welding and Fabrication
  • R-Stamp Certified Welding and Repair
B&B Gas Piping Plus LLC
bandbpiping.com
Matt Bliesmer
1210 E. 12th Street
Fairmont, MN 56031
Office: 507-235-2608
Cell: 507-236-0168
Email: matt@bandbpiping.com / info@bandbpiping.com 
  • NH3 installation, maintenance, and repairs of components and piping
CMS Petroleum Equipment
Joe McNally
48150 210th Street
P.O. Box 85
Morris, MN 56267
Office: 320-589-9017 Cell:  320-760-9680
Email: cmspetro@hotmail.com
  • Inspection and testing of NH3 facilities
  • Full NH3 installation, maintenance and repairs of components and piping.
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
Hillside Welding, LLC
Jason Schoenbauer
12345 100th St. E
Northfield, MN 55057
Cell: 507-381-7876
Email: jasonschoenbauer@gmail.com
  • Full NH3 installation, maintenance and repairs of components and piping
Hutton Services, LLC
Richard Hutton
60168 240th Avenue
Mantorville, MN 55955
Office/Cell: 507-251-3804
Email: huttonservices@kmtel.com
  • Full NH3 installation, maintenance and repairs of components and piping

Judson Tank Co.
judsontank.com
Alex Kane, President
Jason Hellickson, Elrosa Shop Manager

Mankato Shop
911 Southbend Ave
Mankato, MN 56001
Alex Kane 507-380-5867
Email: akane@judsontank.com

Elrosa Shop
30652 US HWY 71
Elrosa, MN 56325
Jason Hellickson 320-808-4129
Email: jhellickson@judsontank.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
  • U-Stamp accredited to construct code bulk storage and nurse tanks
LPG & NH3 Supply Inc.
lpgandnh3.com
1200 1st St NE
Buffalo, MN 55313
Toll Free: 800-328-0314
Main: 763-746-0540
Fax: 763-746-0548
Email: info@lpgnh3.com / sales@lpgnh3.com
  • Inspection and testing of NH3 facilities
  • Full NH3 installation, maintenance and repairs of components and piping
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
westmor-ind.com
3 Development Drive
Morris, MN 56267
Office: 320-589-2100
Paul Tostenson
Email: paul.tostenson@westmor-ind.com
Randy Shervey
Email: randy.shervey@westmor-ind.com 
  • 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

Updated: July 2026