About Us



BBG&S Engineering Consultants, Inc. is a consulting mechanical engineering firm serving clients in Alabama and the southeastern United States. BBG&S provides Commissioning, Fire Protection, Fuel, HVAC, and Plumbing system design services for a variety of clients, and project types including new construction and major renovations.  


John Bagby P.E., Lawrence Jack Bowness P.E., Christopher Gilbreath P.E. and Mike Streetman founded the firm in December of 2005 with 80 cumulative years of experience in the industry. In January 2007 William Golden P.E., LEED AP joined the firm as a partner adding to the firms wealth of experience.


Currently, BBG&S is composed of four licensed professional engineers, three senior designers, three designers, and an administrative assistant. The partners and staff are highly trained professionals with extensive design experience in the Commercial, Educational, Government, Healthcare, High-density Residential, Industrial, Pharmaceutical, Religious, and Telecommunication arenas.  However, each partner’s experience and qualifications are unique, and compliment the firm’s culture of quality and teamwork. 


The firm has participated in a number of significant projects that have achieved LEED certification, and which embody the principles of sustainability. To accomplish this we utilize the latest technologies available. We are fully capable of producing construction documents in both the 2D AutoCAD and 3D Revit platforms, and we employ the latest software for energy modeling, load calculations, document management, and specification writing.  Each of these capabilities allows our firm to provide cost effective, innovative design solutions for our clients.

Personal Resumes for each of the principals are available via the navigation links to the left as well as a full company resume.



States BBG&S is Licensed


BBG&S is currently licensed to practice in over 19 states; we are LEED certified and accredited Building Commissioning professionals.  We are also registered with the National Council of Examiners for Engineering and Surveying, which provides an accelerated method for licensing in additional states as projects demand’


Current Licenses: Alabama, Arkansas, Florida, Georgia, Indiana, Iowa, Kentucky, Louisiana, Michigan, Mississippi, New Hampshire, New Jersey, North Carolina, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, Colorado, and West Virginia.