Big Green Tree & Lawn Care, Inc., maintains the lawns of Concord residents and businesses. The company offers full-service lawn care, including fertilizing, weeding, managing insects and diseases, and aerating. It provides a range of ground management and design and build services, such as landscape and floriculture design, installation and maintenance, turf and ornamental care, and irrigation and water management. German Ronquillo established the company in 2006. It employs a Good Neighbor Referral Program, which enables clients to refer friends or neighbors.