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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| Lacey A. Copeland | Sebring, FL | — | Installer (Registered) | SR0001366 |
| Lakeland Septic Company Llc | Lakeland, FL | Polk | Installer (Business Authorization) | SA0192050 |
| Landwerks Llc | Crawfordville, FL | Wakulla | Installer (Business Authorization) | SA0222133 |
| Lane A. Bryant | Auburndale, FL | — | Installer (Registered) | SR0201880 |
| Lane'S Septic Tank Service Inc. | East Palatka, FL | Putnam | Installer (Business Authorization) | SA0041200 |
| Lapin Septic Tank Service Inc. Dba Lapin Services | Orlando, FL | Orange | Installer (Business Authorization) | SA0900526 |
| Larry D. Curtis | Lake Helen, FL | — | Installer (Registered) | SR0031441 |
| Larry E. Alexander | Orlando, FL | — | Installer (Registered) | SR0071570 |
| Larry G. Furr Jr | Arcadia, FL | — | Installer (Registered) | SR0171799 |
| Larry R Bennett | Zephyrhills, FL | — | Installer (Registered) | SR0921109 |
| Larry R. Mills Services Inc. | Deland, FL | Volusia | Installer (Business Authorization) | SA0061326 |
| Larry W. Thompson Jr | Lakeland, FL | — | Installer (Registered) | SR0191845 |
| Laura A Camhi | Lake Worth, FL | — | Installer (Registered) | SR0111696 |
| Laura N. Smith | Havana, FL | — | Installer (Registered) | SR0111678 |
| Lauren E Strauss | Englewood, FL | — | Installer (Registered) | SR0241977 |
| Lee Kirk & Son'S Llc | Lakeland, FL | Polk | Installer (Business Authorization) | SA0900486 |
| Lee Lester | Ft. Lauderdale, FL | — | Installer (Registered) | SR0890703 |
| Lee Lester Inc. | Southwest Ranches, FL | Broward | Installer (Business Authorization) | SA0900478 |
| Lee R Blount | Greenville, FL | — | Installer (Registered) | SR0081595 |
| Leesburg Septic Inc. | Fruitland Park, FL | Lake | Installer (Business Authorization) | SA0051300 |
| Lehigh Septic Inc. | Alva, FL | Lee | Installer (Business Authorization) | SA0091590 |
| Lester D. Plain & Son Llc | Madison, FL | Madison | Installer (Business Authorization) | SA0232171 |
| Leto Sanitary Service | Tampa, FL | Hillsborough | Installer (Business Authorization) | SA0890239 |
| Lewdy Toledo | Miami, FL | — | Installer (Registered) | SR0101662 |
| Lewis Drainage Systems Llc | Hollywood, FL | Dade | Installer (Business Authorization) | SA0212082 |
| Liberty Grease Septic & Drains Llc | Punta Gorda, FL | Charlotte | Installer (Business Authorization) | SA0192053 |
| Liberty Septic Llc | Tangerine, FL | Lake | Installer (Business Authorization) | SA0212106 |
| Lidio I. Cattarini | Spring Hill, FL | — | Installer (Registered) | SR0001355 |
| Linda Trucking Inc. | Cape Coral, FL | Lee | Installer (Business Authorization) | SA0202056 |
| Lisa M Miller | Tallahassee, FL | — | Installer (Registered) | SR0231965 |
| Litton Septic Services Inc. | Deltona, FL | Volusia | Installer (Business Authorization) | SA0991002 |
| Logan J. Boyett | Pensacola, FL | — | Installer (Registered) | SR0181831 |
| Loren Boone | Starke, FL | Bradford | Installer (Exempt Business) | SE0940899 |
| Loren D Boone | Lake Butler, FL | — | Installer (Registered) | SR0890451 |
| Louie Pancic | Punta Gorda, FL | — | Installer (Registered) | SR0900929 |
| Luis A. Fuentes | Fellsmere, FL | — | Installer (Registered) | SR0231973 |
| Luis Luis | Naples, FL | — | Installer (Registered) | SR0051480 |
| Luke Alan Moorman | Spring Hill, FL | — | Installer (Registered) | SR0991436 |
| Luke D Sresovich | Fernandina Beach, FL | — | Installer (Registered) | SR0890235 |
| Lundy'S Septic | Live Oak, FL | Suwannee | Installer (Business Authorization) | SA0000970 |
| Lyle R Ake | Wewahitchka, FL | — | Installer (Master) | SM0890102 |
| Lynn A. Boyett | Pensacola, FL | — | Installer (Registered) | SR0890618 |
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