Age reached in 2023,Birth year (cohort),NAICS 2382 firm births in cohort,NAICS 2382 firms still active in 2023,Building equipment contractors NAICS 2382 survival %,All construction NAICS 23 survival %,All US employer firms survival %,NAICS 2382 minus all firms (points) 1 year,2022,13281,10803,81.3,75.3,76.9,4.4 2 years,2021,12088,8721,72.1,65.1,65.6,6.5 3 years,2020,11715,8278,70.7,62.8,63.8,6.9 4 years,2019,11850,7849,66.2,58.0,59.0,7.2 5 years,2018,11725,7132,60.8,54.3,54.1,6.7 6 to 10 years,2013 to 2017,53572,28309,52.8,46.1,43.1,9.7