| Business | Phone |
| GLE Associates, Inc. 3109 DR MARTIN LUTHER KING JR BLVD W #550, Tampa 33607 | (813) 241-8350 |
| GLE Associates, Inc. 2964 Fm 50, Tampa 33607 | (979) 272-3032 |
| Solana Environmental Associates 5312 56th Commerce Park Blvd, Tampa 33610 | (813) 621-2872 |