Lewis Group of Companies is a family-owned real estate developer and operator established in 1955 by Ralph and Goldy Lewis in Claremont, California. Now operating under second- and third-generation management, the firm maintains a vertically integrated platform encompassing development, construction, ownership, leasing, and property management across residential, retail, office, and industrial sectors. The company operates through five business divisions: Lewis Apartments, which manages over 13,000 multifamily units; Lewis Retail Centers, which has developed 9.6 million square feet of retail space; Lewis Planned Communities, with 4,204 acres currently under development; Lewis Office & Industrial, which has built 5.7 million square feet; and Lewis Land Acquisition, which sources and entitles sites for future projects. The geographic footprint is concentrated in California and Nevada, with regional offices in Upland (Southern California headquarters), Sacramento, Las Vegas, and Sparks. Major retail tenants across the portfolio include Best Buy, Costco, Home Depot, Kohl's, Lowe's, Ross, Sam's Club, Target, Walmart, Ralphs, Safeway, Vons, ULTA, Cinemark, and Stater Bros. The firm operates through 20 confirmed legal entities, with primary lending relationships through Prudential Financial and Wells Fargo.