About LMJ

LMJ Management and Construction has professional offices located in Islandia, New York and has successfully constructed a wide range of commercial and industrial projects throughout Long Island since 1984. LMJ is focused on quality workmanship, personal service and long-lasting customer relationships. Our projects vary from small renovations to projects over 300,000 square feet. Years of industry experience, and a constant presence of the owners on the job site guarantee a successful project.

President and CEO

Josh Seiden

While working part time for LMJ, Josh attended Hofstra University and graduated with a business degree. After graduation, Josh came on board full time for LMJ as a project manager, overseeing and coordinating construction projects from beginning to completion.

Josh began his role as President/CEO in 2013 with a focus on growing the business. LMJ has now expanded into a top general contracting company and construction management firm.

Josh’s area of expertise has been building pharmaceutical plants, food distribution centers and logistical coordination facilities throughout Long Island. Josh has grown LMJ to be one of the top trusted Long Island construction firms, he is eager to work on every aspect of your construction project.

Mission statement:  LMJ is the top leader on Long Island for general contracting/construction management needs, we specialize in building industrial facilities, suiting each client’s needs to create the desired outcome. We pride ourselves on having over 38 years’ experience in all areas of construction.