Guernsey

Realize the Difference

Website

About the firm

Guernsey is an engineering, architecture, and consulting firm founded in 1928 and headquartered in Oklahoma City, Oklahoma. It delivers architecture, civil, structural, mechanical, electrical, power, transportation, and environmental engineering services, alongside cybersecurity and Cybersecurity Maturity Model Certification (CMMC) consulting, utility economics, interior design, and landscape architecture. Guernsey serves the Department of Defense, federal agencies, electric cooperatives, professional sports organizations, and state and local governments across the United States.

Established
1928
Team
Large
Firm type
Architecture & Engineering · Civil Engineering · Structural Engineering · MEP · Power & Utility Engineering · Environmental Engineering · Transportation Engineering

Credentials

C3PAO (Certified Third-Party Assessment Organization, CMMC)

People

Jared StiggePresident / CEO

Janienne BellaChair of the Board; Senior Vice President; Director of Culture and Community

Jeff NapolielloExecutive Vice President; Director of Design Group

Ashish AgrawalSenior Vice President; Director, Energy & Utility Solutions

Frank BelingSenior Vice President; Director, Analytical Solutions Group

Sheldon HuntSenior Vice President; Program Manager, Energy & Utility Solutions

Capabilities

Architecture

Service website
  • Building Design
  • Interior Design
  • Landscape Architecture
  • Construction Administration

Engineering

Service website
  • Civil Engineering
  • Structural Engineering
  • Mechanical Engineering
  • Electrical Engineering
  • Water Resources Engineering

Transportation

Service website

Environmental Consulting

Service website
  • Permitting & Regulatory Compliance

Cybersecurity & CMMC

Service website
  • CMMC Assessment (C3PAO)
  • GRC Consulting
  • Security Consulting & Design

Utility Optimization

Service website
  • Power Engineering
  • Cost of Service & Rate Analysis
  • Utility Financial Consulting
  • Energy & Utility Solutions
  • Forecasting & Risk Management

Industries

Defense · Federal · Government · Electric Utilities · Power Transmission & Distribution · Sports & Recreation · Aviation · Public Safety · Intelligence & National Security · Commercial

Projects

Boeing High-Bay Research Facility

Oklahoma City, OK · Defense · 2021 · Client: Boeing

Project details

A 60,000-square-foot facility designed to house a full-size fuselage and wing from a retired B-52 aircraft, enabling hands-on software simulation and design for radar, weapons, and flight controls.

Oklahoma City Thunder Professional Basketball Practice Facility

Oklahoma City, OK · Sports & Recreation · 2011 · Client: Oklahoma City Thunder

Project details

A 55,000-square-foot practice facility featuring two full-size practice courts and state-of-the-art wood flooring.

Toronto Raptors Practice Facility

Toronto, Ontario, Canada · Sports & Recreation · 2013 · Client: Toronto Raptors

Project details

A 69,000-square-foot premier NBA practice facility completed on a fast-track design and construction schedule.

Naval Air Station Pensacola Complex

Pensacola, FL · Defense · 2004 · Client: U.S. Navy

Project details

An $80 million complex at Naval Air Station Pensacola in Florida.

Guernsey - Engineering Firms