Installation The Pappas Company provides full time installation of all of our products, using our own factory certified high quality installers. On average, our installers have over 15 years of experience in the industry. We take great pride in our work, and the quality shows in our craftsmanship. The attention to detail is what makes us stand out from the rest. Our installers are OSHA Certified, factory trained, and ready to meet your busy schedule.