Executive Management Team

Chad M. Derringer

Chad M. Derringer

President & CEO

As President & CEO, Chad brings executive-level experience, effective leadership, and vision to guide Tanco to new heights. Additionally, Chad has over 32 years of demonstrated service in the storage tank industry.

(970) 776-4225
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Keegan Maloney

Keegan Maloney

Vice President - Facilities

As Vice President, Keegan brings expertise in product, sales, estimating, budget development, safe work practices, and more to the TANCO team. He has been with the company since 2014.

(970) 776-4211
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JOSH FLOCK, PE

JOSH FLOCK, PE

Vice President - Finance & Engineering

Josh is one of our Vice Presidents with a core oversite of TANCO’s engineering and technical support group.  Additionally, Josh is involved with bidding projects, completing structural designs, and project management. He has served on the TANCO team since 2014.

(970) 776-4228
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Management Team

Craig Greenslit

Executive Project Manager

Since 2002, Craig has been working at TANCO in the roles of Project Manager and CFO, as well as stepping down as President & CEO in 2023 after serving in that role for 7 years. Craig has a passion to serve TANCO’s clients and seeing everything done with excellence.

(970) 776-4203
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Paul lobello

Executive Consultant

Paul has been with TANCO since 1996 and exceeds 40 years of experience relating to above-ground storage tank construction and repair. Paul currently oversees special executive matters, including contract, legal, and safety management functions.

(970) 776-4204
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Daniel Pyewell, PE

Technical & Quality Control Manager

Working in the above ground storage tank industry for over 15 years, Daniel has storage tanks expertise in structural engineering and quality standards relating to API 650, 653, and AWWA of storage tanks for bulk liquid products.

(970) 776-4227
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Chad Hockenbury, CHST

Corporate Safety Director

Chad is a Board Certified Safety Professional and is the current Safety Manager at TANCO.  Chad brings extensive experience in occupational safety and health and has been with the TANCO team since 2016.

(970) 776-4224
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Shawn Gochenour

Senior Project Manager

Shawn currently resides in the Tulsa Metropolitan Area. In addition to holding is PMP and API 653 Certifications, Shawn brings close to 20 years of experience in the Oil and Gas industry to the TANCO team.

(970) 776-4207
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Jeff Biggar

Manager, Federal Fuels

Jeff is a well-known Federal Fuels professional with over 35 years in the industry. Jeff brings extensive experience in the management of Federal Fuels projects across the United States and Internationally.

(970) 776-4208
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Jimmy Ozan

Construction Manager

Jimmy has been with Tanco since 2021 and oversees TANCO’s field operations. Jimmy has over 35 years of experience relating to storage tank construction with roles from Foreman, Operations Manager, and Construction Manager.

(970) 776-4206
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Preston Brown

Field Quality Control Manager

Preston has over 11 years of welding quality control in storage tanks, piping, steel, and pressure vessels in refineries, chemical plants, and terminals.  Additionally, Preston is an accredited American Welding Society Certified Welding Inspector (CWI).

(970) 776-4210
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Dale Davidson

Fabrication Manager

Dale has been with Tanco for over 30 years and manages the day-to-day operations in the fabrication shop and is experienced in all facets of steel plate processing, welding automation, and controls.

(970) 776-4217
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