NEC is a nationally recognized curtainwall and advanced structure contractor with proven expertise in sophisticated monumenta ... l facades. Our primary focus is to apply our knowledge and experience in the areas of design, material selection, scheduling and constructability to assure that the “Best Value” is achieved for our client. National Enclosure is one of the many subsidiaries of National Construction Enterprises, Inc, established more than 50 years ago and having a long and distinguished record of achievement, earning national and international prominence. National Enclosure’s commitment to the success of every project extends to our financial strength by using the leveraged resources of our parent company, National Construction Enterprises. read more