John McCallum

Civil/Structural Engineer, PE at HDR, Inc.

John McCallum is the Civil/Structural Engineer, PE at HDR, Inc. based in United States.

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Contact Information

Business Email
Direct Phone
HQ Phone
United States

Current Workplace




United States



Founded in





engineering, consulting, architecture, planning, mechanical, drinking water, healthcare, oil and gas, power, energy, science & technology, transportation, waste management, wastewater and reuse, resource mgmt, water resources & fisheries, interior design, military design


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View Colleagues

Gaetano Termini

Project Manager

Kelan Murren

Strategic Pursuits Coordinator

Haley Falconer

Water/Wastewater Project Engineer

Cameron Carlow

Communications Specialist

Colleen Layman

Senior Vice President/Director of Professional Services-Engineering

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Frequently Asked Questions regarding John McCallum

What company does John McCallum work for?

John McCallum works for HDR.

What is John McCallum’s email address?

John McCallum’s email address is ****

What is John McCallum’s direct phone number?

John McCallum’s direct phone number is ********

Which industry does John McCallum work in?

John McCallum works in the industry of Oil & Energy.

What is John McCallum’s role in HDR?

John McCallum’s role in HDR is Civil/Structural Engineer, PE

What is John McCallum’s business email address?

John McCallum’s business email address is ****

What is John McCallum’s HQ phone number?

John McCallum’s HQ phone number is ********

Who are John McCallum’s colleagues?

John McCallum colleagues are Gaetano Termini,Kelan Murren,Haley Falconer,Cameron Carlow,Colleen Layman.