C. I. Services, Inc

CI Services is a commercial roofing contractor serving institutional building owners, property managers, and general contractors across Southern California. We provide full‑service roof solutions—from emergency leak response and targeted repairs to preventative maintenance, roof replacement, and waterproofing—for municipal, public agency, commercial, industrial, retail, and Multifamily/HOA properties. With more than 30 years in business, C.I. Services has built a reputation on quality, integrity, and doing the job right the first time. Our field teams and estimators combine deep technical expertise with clear communication and operational execution. C.I.S. seeks out complex projects where we can truly differentiate ourselves for our clients. Whether it’s a single facility or a multi‑building portfolio, we focus on minimizing disruption for occupied buildings and making our customers lives easier - before, during, and after the job. We are certified to install and service nearly all leading manufacturer systems (Garland, Tremco, Sika, WeatherWeld, GAF, Johns Manville, Carlisle etc.) and stand behind our work with robust warranty support and ongoing service programs. From leak investigation and water testing to long‑term capital planning and re‑roof projects, C.I. Services helps clients extend roof life, control lifecycle costs, and protect their assets over the long term.