Barringer & Barringer. Started as a plant and tree installation firm in 1985. Provides professional. Commercial and residential landscape services including annual maintenance contracts. Located in Charlotte. N. C. . The firm is a Certified Member: Pesticides with NC Department of Agriculture and Consumer Services - www.ncagr.gov; Certified Landscape Professional-PLANET (Professional Landcare Network) - www.landcarenetwork.org/cms/NC : Certified Landscape Contractor - www.nclcrb.state.nc.us. Barringer & Barringer Landscape Services is owned and operated by John L. Barringer. This former banker combined his past financial experience with his love of landscaping and people to create a most unique firm that has serviced the Charlotte and nearby markets. Barringer & Barringer is committed to providing professional, residential and commercial landscape services using the finest quality resources and expertise.