JSI has excelled in strategic growth planning and has created a diverse customer base, in virtually all vertical markets. This has enabled us to remain strong through difficult economic times. JSI is proud to be servicing numerous clients in the following industries:
- Research & Development
- Food Service
- Public Service
- Real Estate
JSI is the preferred janitorial contractor for many Fortune 500 Companies and World Headquarter facilities. We specialize in servicing the unique and critical needs of the largest office complexes in the area – including schools, universities, and healthcare facilities.