Complex sentence: Founded in 1964, NUCA is the largest trade association for this industry in the country, representing contractors, suppliers, and manufacturers involved in water, sewer, gas, electric, telecommunications and site work sectors of the industry.
Split into simpler sentences: Founded in 1964, NUCA is the largest trade association for this industry in the country. It represents contractors, suppliers, and manufacturers involved in water, sewer, gas, electric, telecommunications and site work sectors of the industry.