
Johnny Echols, P.E.
President

Mechanical Design Services, Inc. provides quality mechanical engineering services in a wide array of industries.
Mechanical Design Services, Inc. strives to provide clients with quality professional services. Our skill sets lie in the founding partners’ personal mores, mechanical design experience, in-field construction experience, project budgeting, construction administration and attention to the client’s needs.
MDS provides services in the fields of HVAC, building automation control, plumbing and fire protection. MDS works closely with the local, state and federal authorities having jurisdiction to provide compliance to applicable code requirements.
The founding partners consist of Johnny N. Echols, P.E. and Andrew L. Holmes, P.E. Johnny and Andrew both started their engineering careers in the construction industry then graduated into the field of consulting design. This applied construction experience provides MDS a founded understanding of construction applications, budgets and implementation.
Our team prides itself on commitment to excellence and consistency.

President

Vice-President

Project Manager

Mechanical Designer

Office Manager
















HMCAA Various Renovation Projects Including
Jet Bridges
Auburn Airport Hangar

