Certified Women-Owned Other Urban Transit Systems

McLean Establishments LLC is a Small Business located in Waldorf, MD. McLean Establishments LLC delivers consistent and quality services to its customers with the highest level of integrity and great attention to people, products, and service. They are passionate about their business and go to extraordinary lengths to satisfy their customers. McLean Establishments LLC's vision is to create and strengthen relationships with their customers by providing exceptional service and consistently demonstrating their quality services. McLean Establishments LLC and its employees take great pride in their work and in delighting their customers.

Addon Services LLC is successfully executing IDIQ and JOC federal contracts within military bases. The projects include historic building renovation construction. Design Build construction encompassing a comprehensive list of Definable Features of Work including Mechanical, Electrical, Plumbing (MEP), HVAC, Piping, Ductwork, Roofing, Paving, Architectural, Infrastructure. Our customers were impressed with Addon’s successful completion of projects that they awarded us several contracts in the field of IT, Tech Pubs, Engineering & Professional support services.We are a distributer of UVSheltron UVC and Pure Air decontamination/disinfection products, PPE, masks, lab testing, medical and non-medical equipment sterilization, sanitization, bacteria/virus eradication.

Addon Services LLC (Addon) is a DoD and civilian contractor with exceptional past performance in successfully executing projects in design build Construction, Real Property / Facilities Management, Professional/Administrative Services, Information Technology, Technical Publications, and Manufacturing. We are a woman owned 8(a) EDWOSB firm with a valid DD254.

We Specialize in commercial, residential and industrial remodeling, interior design and property management this includes: exterior, interior, walls, stucco work, repairs, HVAC, plumbing, electrical, camera installation, flooring, ceilings, all types of upgrades, carpenter, casings, baseboards, paving, concrete, heavy machinery