Transforming Industries through Innovation

We are transforming industries through innovative MEP design solutions, fueled by our passion for excellence and commitment to client success.



Discover the Essence of KEY Engineering Group

KEY Engineering Group (KEY) is an electrical, mechanical, and plumbing engineering firm headquartered in Atlanta.

KEY has successfully worked on over 170 projects in the aviation, transportation, and government sectors since 2004, and has grown to 15 employees, including 4 Professional Electrical Engineers and 1 Professional Mechanical Engineer.

KEY is a certified Disadvantaged Small Business Enterprise (DBE/SBE/AABE).

Our Values

Why we are different.

At KEY, we take pride in our commitment to delivering innovative, quality solutions for our clients. We believe in building strong relationships with our clients and partners and are dedicated to providing exceptional service and support throughout every stage of the project.


Our vision is to be the premier MEP design firm in the aviation and commercial industries, recognized for our innovative solutions, unparalleled customer service, and commitment to employee development.


Our mission is to shape the future of the aviation and commercial industries through innovative and sustainable MEP design solutions. We strive to anticipate and exceed the evolving needs of our clients while maintaining the highest level of customer satisfaction.

Our Leadership

Awesome Team Behind Us






Vice President - Operations


Chief Electrical Engineer


States We're Certified


General Aviation

DeKalb-Peachtree Airport, Lowcountry Regional Airport, Charleston Executive Airport, Berrien County Airport, Cobb County Airport, Douglas Municipal Airport, Fulton County Airport, Griffin-Spalding County Airport, Gwinnett County Airport, Habersham County Airport, Henry County Airport, Paulding Northwest Atlanta Airport, Richard B. Russell Regional Airport – J.H. Towers Field, Aiken Municipal Airport, Anderson Regional Airport, Barnwell Regional Airport, Berkeley County Airport, Dorchester County Airport, Greenwood County Airport, Jim Hamilton – L.B. Owens Airport, Lancaster County Airport, Laurens County Airport, Lexington County Airport at Pelion, Mt. Pleasant Regional Airport, Orangeburg Municipal Airport, St. George Airport, Summerville Airport, Harrell Field Airport, Howard County Airport, Northwest Alabama Regional Airport, Petit Jean State Park Airport, Sheridan Municipal Airport, William M. Tuck Airport, Albert Whitted Airport, Brooksville-Tampa Bay Regional Airport, Destin-Fort Walton Beach Airport, Albert J. Ellis Airport, Mount Airy/Surry County Airport, Rockingham County NC Shiloh Airport, Western Carolina Regional Airport, Essex Skypark, Greenbrier Valley Airport, Huntington Tri-State Airport/Milton J. Ferguson Field, DeQuincy Industrial Airpark, South Lafourche Leonard Miller Jr. Airport.

Commercial Airports

Hartsfield – Jackson Atlanta International Airport, Cayman Island Airport, Escravos-Nigeria  Airport
Bill and Hillary Clinton National Airport at Adams Field, Columbia Metropolitan Airport, Greenville-Spartanburg International Airport, Myrtle Beach International Airport, Charlotte Douglas International Airport, Alexandria International Airport, McGee Tyson Airport, Athens-Ben Epps Airport, Augusta Regional Airport, Columbus Metropolitan Airport, Southwest Georgia Regional Airport, Danville Regional Airport, Mid-Delta Regional Airport, Mobile Downtown Airport, Gulfport-Biloxi International Airport, Jacksonville International Airport, Pitt-Greenville Airport, Kingston Regional Airport, Coastal Carolina Regional Airport, Raleigh-Durham International Airport, Piedmont Triad International Airport, Henry E. Rohlsen Airport, Monroe Regional Airport, Sarasota-Bradenton International Airport, Tallahassee International Airport, Baltimore/Washington International Thurgood Marshall Airport.

Our Projects

Project Gallery

KEY Engineering Group (KEY) undertook the Life Safety Code Compliance Project, w...
KEY Engineering Group was involved in the expansion project of Hartsfield Jackso...
KEY Engineering Group designed the lighting and electrical systems for the Park ...

Dear Prospective Client,

I am thrilled to have this opportunity to share with you a small part of the story of our 20-year journey as a leading MEP design firm in the industry. Our success results from our talented team’s hard work and dedication and the trust and support of our valued clients and partners.

At KEY, we take pride in our commitment to delivering innovative, quality solutions for our clients. We believe in building strong relationships with our clients and partners and are dedicated to providing exceptional service and support throughout every stage of the project.

Over the years, we have had the pleasure of working on some of the most notable projects in the industry from developing the first ever Airfield As-builts for the world’s busiest airport Hartsfield Jackson Atlanta International Airport, to designing a resilient and separated life-safety distribution system for the Hartsfield Airport.

As a client-centric firm, KEY is committed to building long-lasting relationships by delivering exceptional service, technical excellence, and timely project completion. We understand the unique needs and challenges of our clients and strive to provide tailored solutions that address their specific requirements.

Thank you for considering KEY Engineering Group for your upcoming projects. We look forward to the opportunity to collaborate with you and deliver outstanding engineering solutions that drive success.

Mosunmola Ayoola.
KEY Engineering Group.

We'd love to hear from you !

Reach out and let’s chat about how KEY can assist you in bringing your project to life



Emmanuel is the CEO of Key Engineering Group, Inc., with 38 years of experience in design, construction administration, and facilities engineering.

He has been the Lead Design Engineer and Engineer of Record for multiple projects, including runway lighting, terminals, and emergency operation centers. 

Focusing on aviation design and construction, Emmanuel’s expertise has contributed to successful multimillion-dollar projects in the field.



Mosunmola Ayoola is the President of KEY Engineering Group, bringing 8+ years of experience as an Electrical Engineer in aviation engineering design. Her expertise encompasses various aspects, including power distribution, lighting systems, load calculations, and project coordination. With a focus on client satisfaction, Ms. Ayoola has successfully managed multiple projects from initiation to execution, emphasizing effective communication and a goal-oriented team environment.

Vice President - Operations


Mr. Lott is the Vice President of Operations at KEY Engineering Group, Inc., and manages the South Carolina Office, with a remarkable 35-year background in airfield electrical design and construction administration.

Throughout his career, he has successfully executed projects involving various airfield lighting systems, guidance signs, generator systems, and NAVAID systems.

Mr. Lott’s expertise extends to runway lighting, taxiway lighting, apron floodlighting, control systems, vault equipment, and NAVAID installations, demonstrating a comprehensive understanding of the complexities of airfield electrical infrastructure.

Chief Electrical Engineer


Matthew is a highly skilled professional with over 22 years of expertise in electrical, lighting, security, and communications systems design.

He has extensive experience in roadway and area lighting, CCTV surveillance systems, and building electrical design.

He has successfully managed projects as a lead engineer and project manager, overseeing the development and coordination of technical aspects from start to finish.

KEY Engineering Group (KEY) is an electrical, mechanical, and plumbing engineering firm headquartered in Atlanta.

Engineering Designs

KEY offers the in-house ability to cover a wide range of electrical design phase and construction phase services. We have built-relationship with other consultants that complement our services allowing our clients the opportunity for one-stop-shopping for full service Architectural and engineering services. Our electrical engineering expertise included;

Facilities Engineering

EY takes ownership of the facilities, interviews facilities operators, familiarizes themselves with all issues at hand in order to provide engineering technical assistance to the end-users regarding the planning, design, construction and construction management of facilities.

Under the Facilities management program KEY also offers operation and maintenance services as needed.

Construction Quality Control

Our services cover transportation facilities, commercial and industrial buildings as well as governmental agencies. KEY offers independent record keeping and preparation of reports for inspection and testing; interpretation of plans and specification; monitoring and/or observance of construction activities to check and confirm adherence to specified progress, quality and safety practices.

KEY offers these services to support pre-construction, construction and project close-out activities.