Earnings / Industry directory / Real Estate Opeators of Nonresidential Buildings 3 stocks in Real Estate · SIC 6512. Company snapshot 2026-11-13 · Calculated market cap as of 2026-11-06 · USD Find a company or ticker Stocks in Opeators of Nonresidential Buildings. Sorted by market cap, largest first. Ticker Company Market Cap Revenue (TTM) Net Income (TTM) PDM Piedmont Realty Trust, Inc. $1.22B $581.51MTTM ended 2026-09-30 −$88.29MTTM ended 2026-09-30 MAYS MAYS J W INC $88.69M $21.43MTTM ended 2026-04-30 −$1.15MTTM ended 2026-04-30 GYRO Gyrodyne, LLC $8.80M — — No matching companies.