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Taking engineering to new heights.

Spencer Bristol Engineering, a Gray company, is an engineering firm specializing in mechanical, electrical, plumbing, fire protection consulting, commissioning services, and project management services. From aviation to higher education, we solve the challenges of today by designing practical and effective solutions as a runway for the future.

We offer expert management & design services.
Our Portfolio of Engineering Services

Practitioners of practical solutions.

Founded in 1995, we are an engineering consulting firm delivering pragmatic solutions for our diverse customer base. We offer expertise in mechanical, electrical, plumbing, fire protection, process piping, and commissioning. Our licensed design professionals have the knowledge and experience to deliver projects of varying sizes and complexities.

Meet the Team

  • Alex A. Barmann
  • Nate Claggett, PE
    Director, Mechanical Engineering
  • Michael Kelly, PE
    Director, Electrical Engineering
  • Parker Brunelle, PE
    Advanced Technology Director
Get in touch.

Reach out to us anytime. Call us at 770.414.1628 or send us a message using the contact form below.

Spencer Bristol is a Gray company.

Spencer Bristol serves customers in a diverse range of industries. In 2017, Spencer Bristol joined the Gray family of brands to complement its project management and design services. As a Gray company, we continue to provide practical design services for transportation, commercial, industrial, and government institutions.