Construction Materials started in 1969. The founders (Florence and Bob) incorporated in 1971. Bob a Graduate of Kaimuki High School and a Retired Master Sergeant from Hawaii’s National Guard is best known for his quick witted humor and hilarious jokes. Florence was the companies best kept secret. She managed to fill any position when necessary. On August 5, 2016. The Corporation transferred to next generation. With innovative ideas being implemented in timely fashion we hope to see you online ordering by March 2021. Till then, you'll actually talk to a real live person immediately without being prompted. Real customer service! If you prefer you can e-mail or fax request for quotes. “The one on one relationship is still the key to our success: "We will keep the traditions of our Kupuna (Founders) by keeping the feel of the ‘Mama and Papa’ store.