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API Tanks

American Petroleum Institute Standards

Here at MMI Tank and Industrial Services, we have high standards and we are skilled and experienced in keeping up the integrity of your API tanks. The safety of our customer’s facilities and personnel is our top priority and our pressure vessels are fabricated with that commitment to safety in mind. The API has put out strict standards of quality and we are equipped to adhere to them.

Our professionals are trained to monitor, maintain, and repair your API tanks as regularly as needed.  We’ll work with you to establish a maintenance schedule.  We utilize many top-of-the-line NDT procedures to safely and efficiently identify any issue your tanks may face, including:

  • Corrosion
  • Cracking
  • Welding failures
  • Venting problems
  • Piping concerns

If we find a problem with your pressure vessel, we’ll take care of it.  We have skilled craftsmen who can eliminate any threat to your productivity. The MMI team quickly identifies and repairs compromised equipment so that your outfit can keep putting out the quality service your clients have come to expect from you.  The quicker a potential risk is identified, the quicker we can repair it before it becomes a series issue.

The American Petroleum Institute has such high standards because they know that production liquids can be dangerous.  Storing them in steel tanks is the best option and lots of folks depend on having access to them.  With so many people depending on you and the liquids in your API tanks, you can depend on us to keep them functional and safe.

Tank Services Team

Division Tank Manager

Stace Heckart

Stace has 17 years of industry experience and 3 years with MMI Creating and executing project work plans, identifying resources required and assigning individual responsibilities, managing day-to-day project operations, managing project financial performance, enforcing company policies and procedures, managing risk, and managing quality throughout the project life-cycle.Interests: Traveling with his family

Employment / Education

  • MMI Tank & Industrial Services, April 2017 to Present
  • Western Industrial Contractors, Inc., September 2015 to 2017
  • BMT Acquisition, LLC, Director of Operations 2013-2015
  • BMT Acquisitions, LLC, Senior Project Manager / Midwest Regional Sales 2005-2012
  • Winbco Tank Co. Project Manager 2001-2005
  • University of NE Oklahoma, BBA Bachelor of Business Administration 1992
  • Indian Hills Community College, Associates of Arts 1989

Management Responsibility

Stace Heckart is the Division Tank Manager at MMI Tank & Industrial Services. His responsibilities include new business development, overseeing production activities & maintaining quality standards, planning & managing department budgets, and executing project work plans, identifying resources required, directing project management team, enforcing company policies and procedures, and managing risk.


Stace Heckart joined MMI in 2017 with 25 years of Tank Construction and Repair experience. Prior to joining MMI, Stace directed the operations and development teams for two well-established tank companies. He has experience in the Oil & Gas, Power, & Mining industries on both capital and maintenance projects. He has managed numerous high-profile and schedule-driven projects throughout the United States. He is well trained in API 650, API 653 & AWWA construction of aboveground storage tanks.

Key Project Experience

  • Managed an API 653 project for Basin Electric replacing shell/roof plate, all structure & floor plate on a 180’ dia. Tank in the middle of winter in North Dakota and finished 2 weeks ahead of schedule.
  • Led a project takeover deploying a crew within 2 days to meet nearly impossible schedule for Phillips 66 on a 100’ x 48’ API 650 tank.
  • Managed 10-15 ethanol projects simultaneously in various locations with a workforce of over 400 boilermakers.
  • Stace has managed projects for: Sinclair Refinery, Chevron, Marathon, BP, Phillips, Kiewit, FMI, Basin Electric, Cetane Energy, and Separation by Design, El Paso Electric, Southern SRP, APS, Lauren Engineering and many others.
Bolted Tank Manager

David Mann

Employment / Education

  • MMI Tank & Industrial Services, November 2022 to Present
  • Tarsco Bolted Tank, August 2022 to November 2022
  • Weston and Associates LLC, October 2019 to August 2022
  • Tank Connection, Regional Sales Manager 2008 to 2019
  • USA Tank Storage Systems, Regional Sales Manager 2001 to 2008
  • Columbian Steel Tank Company, Many positions, 1990 to 2000
  • Kansas State University, BS Agriculture Economics 1984

Management Responsibility

David Mann is the Bolted Tank Manager at MMI Tank & Industrial Services. His responsibilities include new business development, working closely with bolted tank suppliers to further develop relationships, schedules, direction of bolted tank installation crews, enforcing company policies and procedures, managing risk, and managing quality throughout the project life-cycle.


David Mann joined MMI in 2022 with 32 years of Bolted Tank experience. Prior to joining MMI, David developed and managed manufacturer’s representative organizations for 2 different bolted tank companies while in the position of Regional Sales Manager. Previous Project Experience includes:

  • Sold many large power projects around the country with EPC firms such as Bechtel, Kiewit, Black & Veatch, and Burns & McDonnell.
  • Worked closely with manufacturer’s representatives to further develop the bolted tank industry in both the liquid and dry markets.
  • David has worked in every aspect of the bolted tank industry over the years including inside sales, running the paint line, the shipping department, bolted tank construction department and back to outside sales as a Regional Sales Manager for the last several years.
Business Development Manager

Mike Boyd

Employment / Education

  • MMI Tank & Industrial Services, Business Development Manager 2020 - Present
  • Boyd Services Company, Manufacturer’s Rep. 2014 - 2020
  • Brown Minneapolis Tank, VP Sales, 2010 - 2014
  • Columbian Tech Tank, Regional Manager, 2006 - 2010
  • Kansai Wire Netting USA, VP Operations, 1998 - 2006
  • Corrpro Companies, Regional Manager, 1984 - 1998
  • Rice University, The Management Program, Houston, TX
  • Delta State University, BBA, 1984

Management Responsibility

Mike is the Business Development Manager for the Tank Division at MMI Tank & Industrial Services. His responsibilities include project estimating, business development, and proposal generation.


Mike has over 40 years’ experience in Engineering and Construction Sales. His background also includes Project Management experience in the tank and corrosion control industry. He is well versed in API-650, AWWA D-100 & D103 tanks as well as ASME type vessels. Mike has a wealth of experience addressing various markets including Oil & Gas, Municipal, Mining, Power, and Chemical Markets. Customers include Facility Owners, Engineering Design Firms, General Contractors, Municipalities, and EPC Firms.











David Houghton


Questions & Quotes

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We can build anything… anywhere.

MMI Tank and Industrial Services does not take your trust lightly, and that is why we have a reputation of delivering a high quality product which is exactly what you want, and exactly when you want it… every time.