Golden State Ponds is a husband-and-wife team based in San Jose, CA, specializing in pond repair and maintenance services. They serve the Bay Area and Central Valley, focusing on creating and maintaining backyard water gardens that offer relaxation and natural beauty. Their services include pond cleaning, pump replacement, and preventative measures like netting to keep ponds clear of debris. The company is known for thorough inspections and personalized advice tailored to each customer's vision and budget.

Sunland Water Gardens is a pond construction and maintenance company located in Los Angeles, CA. They offer a wide range of services including pond liner installation, pond maintenance, fish stocking, and aquatic plant supply. The company provides expert planning, design, and building services for water gardens, serving clients from Los Angeles to Santa Barbara. Their capabilities include supplying various pond fish such as koi and catfish, as well as pond supplies like liners, pumps, and filters. Sunland Water Gardens is known as a large importer of koi and offers wholesale sales and maintenance services for ponds and water gardens.

A-1 Koi Ponds is a family-owned business based in San Jose, CA, specializing in custom concrete koi pond construction, pond maintenance, and fish stocking. With over 30 years of experience, they offer luxury pond installations featuring advanced filtration systems and work closely with designers and engineers to meet specific project needs. Their services include custom ponds, waterfalls, pools, and landscaping, supported by a supply of high-quality Japanese koi fish. A-1 Koi Ponds serves clients nationwide and is recognized for its expertise in pond maintenance and installation.

Paradise Landscaping is a pond construction contractor company based in Long Beach, CA. They specialize in building koi ponds and waterfalls, as well as installing drought-tolerant landscaping and automatic sprinkler systems designed for efficient water use. The company also offers low voltage lighting installations that enhance landscape projects with accent, mood, underwater, and back lighting. Paradise Landscaping has received multiple awards from the California Landscape Contractors Association for their pond building expertise.

San Diego Pond and Garden is a pond repair and maintenance company located in San Diego, CA. They offer a wide range of pond products and services including equipment installation, repairs, maintenance, and pond clean-out. Their retail store provides water treatments, foods, medications, filters, pumps, koi, and aquatic plants. The company supports pond and water garden design and upkeep with knowledgeable assistance. Their service fleet ensures on-site support for pond equipment and maintenance needs.

Wiegner Ponds is a contractor based in Santa Rosa, CA, specializing in the construction and maintenance of various types of ponds. Their services include building backyard koi ponds, pondless waterfalls, and larger agricultural or farm ponds used for irrigation and water storage. They serve multiple counties including Sonoma, Solano, Contra Costa, and El Dorado. One of their notable capabilities is the installation of biological filtration systems with variable speed motors, enhancing pond water quality and ecosystem health.

Mystic Water Gardens is a pond construction and maintenance company located in Los Angeles, CA. They specialize in designing, building, and maintaining custom water features such as koi ponds, pondless waterfalls, natural streams, and eco-friendly lakes. Their services also include fish stocking and integrated landscape lighting to create sustainable and visually appealing outdoor environments. Serving Los Angeles and surrounding communities, Mystic Water Gardens focuses on creating serene and drought-tolerant garden sanctuaries that blend with the natural environment.

Alma Gardening Company Inc. is a landscaping contractor based in Los Angeles, CA, specializing in sustainable landscape design and installation tailored to California's climate. Their services include pond construction, hardscaping, water features, outdoor lighting, synthetic turf, tree trimming, drainage systems, pavers, concrete work, outdoor kitchens, patios, xeriscape, and drought-tolerant landscaping. They focus on creating functional and durable outdoor spaces that combine beauty and long-term resilience.

Coral Reef Inc. is a pond construction and maintenance company based in Los Angeles, CA. Serving Southern California since 1970, they specialize in designing, building, and maintaining custom freshwater, saltwater, and reef aquariums, as well as koi ponds and water features. Their services include full project support from initial consultation to ongoing maintenance, with capabilities such as 24-hour emergency service to address urgent aquatic care needs. With over 50 years of experience, Coral Reef Inc. offers expertise in creating and sustaining aquatic environments for homes and offices.

Lake Management Inc is a pond and lake management company serving Los Angeles, CA. They provide a wide range of services including pond construction, repair, maintenance, algae and aquatic weed control, fish stocking, and water feature installation. Their expertise covers residential and commercial water features such as koi ponds, fountains, waterfalls, and lakes. The company offers specialized capabilities like leak detection and repair, water quality testing, and invasive species control. Founded in 1976, Lake Management Inc brings over 40 years of experience to their projects, working with clients including HOAs, aquatic centers, and corporate entities.