Description: MCS is the Roofing and Construction company in WA. MCS is the local roofing contractor with roofing warranty certificate with specializing in high quality roofing shingles for a price you can brag about. Licensed, Bonded, Insured. MCS Roofing Company stand for quality roofing for a reasonable price. That’s our motto. We offer complete roofing systems with all the extra touches and flashing at a price which will make you smile!