A.N. Callahan - Email & Phone Number

Sr. Consulting Engineer at Upstream Engineering

A.N. Callahan is based out of Houston, Texas, United States and works at Upstream Engineering as Sr. Consulting Engineer.

A.N. Callahan's Contact Information

A.N. Callahan's Work email

c*****@upstre***.com

Valid

Latest update

June 9, 2026

Location

Houston, Texas, United States

A.N.'s current employer

Upstream Engineering

Description

Website

upstreamengineering.com

HQ Location

Houston, Texas, United states

Number of employees

11-50

Industry

Oil And Gas

Latest update

April 30, 2024

Read about Upstream Engineering

Frequent questions about A.N. Callahan

What company is A.N. Callahan working for?

A.N. Callahan works for Upstream Engineering.

What is A.N. Callahan's function at Upstream Engineering?

A.N. Callahan is Sr. Consulting Engineer at Upstream Engineering.

Where is A.N. Callahan based?

A.N. Callahan is based out of Houston, Texas, United States.

What is A.N. Callahan's work email address?

A.N. Callahan's professional email address is c*****@upstre***.com

Who are A.N. Callahan's co-workers?

A.N. Callahan's colleagues are Ronnie Smith, John Gommel, Juan Lopez.

A.N.'s co-workers

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