Matrix Roofing + Waterproofing, Inc. is a family-owned commercial roofing company serving Los Angeles, CA, and surrounding counties including Orange, San Bernardino, and Ventura. With over 50 years of experience, they specialize in commercial roof installation, replacement, repair, and inspections. Their services cover various roofing systems such as modified bitumen, single-ply TPO, custom-fabricated metal panels, and asphalt shingles. The company also offers custom waterproofing solutions for structures like parking decks and planters. Matrix Roofing is known for providing tailored roofing and waterproofing plans to extend roof life and ensure compliance with manufacturer warranties. They offer emergency roofing repair with a response time of 24 hours or less.

Calhoun Roofing Company is a family-operated roofing contractor based in Los Angeles, CA, serving South Los Angeles and surrounding areas since 1970. They provide a range of roofing services including installation, replacement, roof inspections, and certification for both residential and commercial properties. Their licensed team handles new construction, additions, and specialized roofing needs such as torch down roofs and skylight installations. With over 50 years of experience, Calhoun Roofing Company emphasizes quality craftsmanship and attention to detail.

South Coast & Valley Roofing is a roofing contractor based in Los Angeles, CA. They provide roofing installation and replacement services for residential and commercial properties in the area. The company focuses on delivering quality roofing solutions tailored to the needs of their clients.

Guardian Roofs is a roofing contractor based in Los Angeles, CA, specializing in residential and commercial roofing services. They offer roof installation, replacement, repair, leak repair, inspection, and certification. The company uses advanced tools and techniques to identify roofing issues and provide effective solutions to maintain roof health and longevity.

Cert-A-Roof is a roofing contractor based in Los Angeles, CA, offering a wide range of roofing services including installation, replacement, repair, inspection, and certification. They serve residential and commercial clients in Southern California and Western Montana. The company is NRCIA-certified, providing specialized services such as LeakFREE® roof inspections and certifications, as well as Cert-A-Deck™ certified deck inspections to comply with California's Senate Bill 721. With over 30 years of experience and more than 75,000 inspections completed, Cert-A-Roof emphasizes adherence to industry standards and safety regulations. Their service areas include Orange County, Southern California, and parts of Montana including Polson and surrounding valleys.

Resonance Roof Cleaning provides roofing installation, replacement, and repair services in Los Angeles, CA. They handle all phases of roofing work, including roof leak repairs and full roof replacements. The company is part of Northern California Roofing Co., which has over 35 years of experience and has completed more than 14,000 roofing projects. Their services cover both residential and commercial roofing needs across Northern California.

ej roofing exteriors provides roof repair and roof leak repair services in Santa Clarita, CA. They have experience working with homeowners associations, indicating familiarity with larger residential projects. The business focuses on addressing roofing issues to maintain property integrity.

The Flat Roof Supply is a roofing company based in Los Angeles, CA. They offer roof repair, roof leak repair, roof inspection, and roof certification services. The company handles roof inspections and subsequent repair work, focusing on flat roofing systems.

Commerce Roofing Company is a roofing contractor based in Los Angeles, CA, serving Commerce and nearby cities. They provide residential and commercial roofing services including roof repair, replacement, installation, and inspection. The company works with various roofing materials such as shingle, metal, tile, slate, cedar, TPO, EPDM, and modified bitumen to suit different property types and local climate conditions. Their expertise includes compliance with local building codes and environmental standards to ensure durable roofing solutions across industrial, commercial, and residential properties.

OM Roofing Inc is a full-service roofing and waterproofing company based in Cerritos, California, serving the Los Angeles, CA area. They provide roof inspections, repairs, replacements, and waterproofing services. The company emphasizes preserving roof investments to reduce repair costs, increase property value, and prevent structural damage. Founded and managed by Becky Brown since 2007, OM Roofing is a woman and minority-owned business with a strong reputation in the Southern California roofing industry.