At Maguire, Inc. we believe in storing and protecting quality water. We do this by being the best water tank company for our customers and employees.

Maguire is a family-owned and operated company based in Sioux Falls, South Dakota that has been in the water storage tank industry since 1915.

We offer a full spectrum of water storage tank solutions including:


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  • Design
  • Engineering
  • Fabrication
  • Construction
  • Project Management
  • Coatings
  • Tank Parts


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  • Full-Service and Custom Tank Maintenance Plans
  • Interior/Exterior Tank Painting, Sandblasting and Containment
  • Interior/Exterior Tank Inspections
  • Lead Abatement
  • Interior Tank Cleaning and Disinfection
  • Custom Tank Logos
  • Tank Mixing Systems

The Maguire Difference

Our foundation is built on family values. We strive for excellence in everything we do. We strive to be the best and safest water tank company for our customers who trust our integrity. Trust our products and services. Trust our word to deliver what we say.

Moore, MT
Opheim, MT
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Maguire strives to provide the best customer experience

American Water Works Association

Montana Rural Water Association

Environmental Protection Agency

Department of Natural Resources & Conservation

Expand Your Knowledge

Potentially Earn CEU or PDH Credit

Kal Tucker

Water Tank Expert

Kal Tucker is your Water Tank Expert in Montana, Idaho, & Wyoming. He was born, and still lives, in Bozeman, MT where he graduated from Montana State University in Mechanical Engineering. He grew up working construction in the summers, helping his Father build houses in the Bozeman area. After college, he did some extensive world traveling before coming home and getting started in the water tank industry. Kal has 10+ years of experience helping engineers & end-users with both new construction and maintenance on existing tanks. Kal has extensive background in the following areas:

  • Potable Water Storage Tanks
  • Protective Coatings
  • Preventative Water Tank Maintenance
  • Steel Fabrication
  • Sales
  • Customer Service
  • Customer Relationship Management

Contact Kal

Do you have questions or want information regarding the care and maintenance of your water storage tank? Kal Tucker would be happy to help.

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