| SALT + SCISSORS, LLCBradenton, FL · Inactive | Bradenton, FL | LLC | Feb 19, 2020 | Inactive |
| KIEWIT WATER FACILITIES FLORIDA CO.Tampa, FL · Active | Tampa, FL | Corporation | Sep 27, 2018 | Active |
| KIEWIT INFRASTRUCTURE SOUTH CO.Location not reported, FL · Active | Location not reported, FL | Corporation | Nov 10, 1976 | Active |
| KIEWIT POWER CONSTRUCTORS CO.Location not reported, FL · Active | Location not reported, FL | Corporation | May 19, 1983 | Active |
| TIC - THE INDUSTRIAL COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Oct 11, 1983 | Active |
| MASS. ELECTRIC CONSTRUCTION CO.Location not reported, FL · Active | Location not reported, FL | Corporation | Jan 22, 2003 | Active |
| T.E. IBBERSON COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Jan 12, 2004 | Active |
| CONTINENTAL FIRE SPRINKLER COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Oct 12, 2005 | Active |
| CMF LEASING CO.Location not reported, FL · Active | Location not reported, FL | Corporation | Jan 8, 2007 | Active |
| CHERNE CONTRACTING CORPORATIONLocation not reported, FL · Active | Location not reported, FL | Corporation | Feb 2, 2012 | Active |
| KIEWIT DEVELOPMENT COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | May 22, 2014 | Active |
| KIEWIT ENERGY GROUP INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Sep 16, 2016 | Active |
| KIEWIT WATER FACILITIES SOUTH CO.Location not reported, FL · Active | Location not reported, FL | Corporation | Jun 13, 2017 | Active |
| KIEWIT FOUNDATIONS CO.Location not reported, FL · Active | Location not reported, FL | Corporation | Aug 30, 2017 | Active |
| MIDWEST AGENCIES, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Feb 22, 2019 | Active |
| KIEWIT INDUSTRIAL GROUP INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 24, 2021 | Inactive |
| KIEWIT CORPORATIONLocation not reported, FL · Active | Location not reported, FL | Corporation | Feb 4, 2025 | Active |
| KIEWIT BUILDING GROUP INC.Location not reported, FL · Active | Location not reported, FL | Corporation | May 30, 2025 | Active |
| WESTERN SUMMIT CONSTRUCTORS, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Dec 14, 1992 | Active |
| KIEWIT INFRASTRUCTURE CO.Location not reported, FL · Active | Location not reported, FL | Corporation | Jun 9, 1998 | Active |
| KIEWIT ENGINEERING GROUP INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Oct 18, 1999 | Active |
| 531 TROUT RIVER DR. LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Apr 21, 2025 | Active |
| THE PINK PIRATE FOUNDATION CORPSt. Petersburg, FL · Active | St. Petersburg, FL | Nonprofit | Mar 4, 2026 | Active |
| WEEKS MARINE, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Jan 12, 1988 | Active |