LMC Corp enjoys membership and active participation in the following professional organizations:

• Texas Municipal League
• Council of Educational Facility Planners International (Central Texas, South Texas and Gulf Coast Chapters)
• Texas Association of School Boards
• Capital Area Maintenance and Operations Association (CAMO)
• Coastal Bend Maintenance and Operations Association
• Gulf Coast Maintenance and Operations Association
• Hill Country Maintenance and Operations Association
• South Texas Association of School Maintenance Officials (STASMO)
• Alamo Area School Maintenance, Operations and Construction Association (AASMOCA)
• Texas Association of School Business Officials (TASBO)
• Alamo Area Association of School Business Officials (AAASBO)
• Gulf Coast Association of School Business Officials (TASBO)
• Coastal Bend Association of School Business Officials (TASBO)
• North Central Texas Regional Certification Agency (NCTRCA)
• National Association of Minority Contractors (NAMC)
• Texas Oklahoma Arkansas Louisiana Region of National Association of Education Procurement (TOAL of NAEP)
• Regional Hispanic Contractors Association (RHCA)