* Johnson Engineering Consultants- A progressive engineering firm that believes in surpassing our clients expectations with technology and continuing education.
* The LA Group, Landscape Architecture and Engineering, P.C . - Architects and civil engineers specializing in cemetery design, large recreational planning, and festival planning.
* Land and Sea Surveying Concepts, Inc . - Professional surveying firm capable of providing services on a global level.
* Macris, Hendricks and Glascock, P.A . - A full service civil engineering, surveying and land planning company.
* McFarland-Johnson, Inc . - Planning and design of major transportation and facilities projects.
* McGrattan Piling Ltd - Provide piling solutions and offer consultation to meet requirements on: marine works, cofferdams , retaining walls and bearing piles. The company also design, supply and install steel sheet, tubular and mini piles.
* Mcintosh and Associates - Providing civil engineering, land planning, petroleum engineering, land surveying, G.P.S., landscape design, photogrammetry, aerial photography in California and Arizona.
* Metax Engineering Corporation - A leading international engineering firm based in Singapore
* MHF Engineering, P.C . - A civil engineering and land surveying firm based in Jefferson, Iowa.