SEC offers comprehensive expertise in these three specialties: Interior and Exterior Upfits- Known for a keen sense of efficiency and design, SEC offers comprehensive services for every commercial tenant. New Construction- Corporations that seek a proven partner for their next build rely on SEC and their unmatched commitment to on-time delivery. Site Development- Site preparation and development are integral to the successful completion of any commercial endeavor. We have consistently outperformed our competitors in all areas of this discipline, therefore, we are confident that no one does it better than SEC.