| Key Personnel | Since | |
| Dolph Marmetschke | President | 1993 |
| Cathy Zellner | Vice President of Finance & Administration | 1992 |
| David Hase | Vice President of Construction | 1982 |
| Stasia Brewer | Business Development & Director of Marketing | 1995 |
| Jesse Smith | Safety Director | 2003 |
| Pam Stone | Human Resources Manager | 1986 |
| James J Flaherty | Construction Division Manager | 1986 |
| Vernon C Monday | A/C Division Manager | 1971 |
| David Curry | Air Conditioning Manager | 1989 |
| Abraham Delvalle | Orlando Plumbing Service Manager | 2002 |
| Shawn Boone | Electrical Service Manager | 2001 |
| Hector Dominicci | Orlando A/C Sales Manager | 1999 |
| Yunier Tarragona | Duct & Insulation Manager | 2001 |
| Mike Caron | Volusia Plumbing Service Manager | 1980 |
