Rhode Island licenses the installers and designers who build and design onsite wastewater (septic) systems and permits the transporters who haul septage, all through the Department of Environmental Management. This page lists the active licensees from the official state registries.
Showing the first 120 of 967 certified companies (A–Z). Browse every Rhode Island company by name:
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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| A Rego Septic Service | Portsmouth, RI | — | Septage Hauler | 3 |
| A&d Sanitation | Somerset, MA | — | Septage Hauler | 508 |
| Aaron Medeiros | Dartmouth, MA | — | Installer | L1865 |
| Aaron Muniz | Warwick, RI | — | Installer | L1864 |
| Abm Enterprise Llc | Cranston, RI | — | Septage Hauler | 958 |
| Acme Sanitation | Little Compton, RI | — | Septage Hauler | 316 |
| Action Enterprises Services, Inc. | Lowell, MA | — | Septage Hauler | 984 |
| Adam E Rosenblatt | Providence, RI | — | Designer (Class IV Soil Evaluator) | D4051 |
| Adam N Labonte | West Greenwich, RI | — | Installer | L2028 |
| Adam S White | North Kingstown, RI | — | Installer | L1772 |
| Adolf F Haffenreffer | Little Compton, RI | — | Installer | L0940 |
| Alan C Pittman | Providence, RI | — | Designer (Class IV Soil Evaluator) | D4100 |
| Alan J Ouellette | Attleboro, MA | — | Installer | L1268 |
| Alanson M Roberts | — | — | Installer | L0805 |
| Albert Marsocci | Cranston, RI | — | Installer | L1119 |
| Alessandro M Venditti | Cranston, RI | — | Installer | L2049 |
| Alexander J Carey | Coventry, RI | — | Installer | L2008 |
| Alexander J Gomes | Dighton, MA | — | Installer | L1951 |
| Alexander J Wynne | Providence, RI | — | Installer | L2009 |
| Alfred A Sousa | Tiverton, RI | — | Installer | L1872 |
| Alfred Cole Jr. | North Kingstown, RI | — | Installer | L0299 |
| Alfred R Dufresne | Dayville, CT | — | Installer | L1394 |
| Alfred W DiOrio | Ashaway, RI | — | Designer (Class II) | D2032 |
| Alfred W DiOrio | Ashaway, RI | — | Designer (Class IV Soil Evaluator) | D4004 |
| Alfred W DiOrio | Ashaway, RI | — | Installer | L0662 |
| Allan L Shear | Rumford, RI | — | Designer (Class III) | D3023 |
| Allison M Drake | Cranston, RI | — | Designer (Class IV Soil Evaluator) | D4105 |
| Amber K Fagan | Saunderstown, RI | — | Designer (Class I) | D1310 |
| Amber K Fagan | Saunderstown, RI | — | Installer | L1990 |
| Amber K Hardy | Inc Charlestown, RI | — | Designer (Class IV Soil Evaluator) | D4098 |
| Amy N Sonder | LLC Saunderstown, RI | — | Designer (Class II) | D2055 |
| Andrew A McNulty | Providence, RI | — | Designer (Class IV Soil Evaluator) | D4099 |
| Andrew A Metivier | Rehoboth, MA | — | Installer | L2025 |
| Andrew C Smiley Jr. | Saunderstown, RI | — | Installer | L1366 |
| Andrew D Aubuchon | North Smithfield, RI | — | Installer | L2038 |
| Andrew D DeRiso | Providence, RI | — | Designer (Class IV Soil Evaluator) | D4101 |
| Andrew E Morgan | — | — | Installer | L2018 |
| Andrew J Flynn | Wakefield, RI | — | Installer | L1611 |
| Andrew K Gardiner | Westerly, RI | — | Designer (Class III) | D3128 |
| Andrew P Kent | Middletown, RI | — | Installer | L1025 |
| Andrew Rego | Little Compton, RI | — | Installer | L1867 |
| Andrew V Sisson | Little Compton, RI | — | Installer | L2010 |
| Angelo M Raimondi | Coventry, RI | — | Designer (Class II) | D2015 |
| Angelo M Raimondi | Coventry, RI | — | Designer (Class IV Soil Evaluator) | D4016 |
| Angelo M Sullo | Pawcatuck, CT | — | Designer (Class III) | D3131 |
| Anthony A DiFazio | Johnston, RI | — | Installer | L1295 |
| Anthony A Esposito | Plymouth, MA | — | Designer (Class III) | D3153 |
| Anthony A Nenna | Westerly, RI | — | Designer (Class III) | D3078 |
| Anthony L Squillante | West Warwick, RI | — | Installer | L1978 |
| Anthony Mattiello Jr. | Cranston, RI | — | Installer | L1439 |
| Anthony S Macari | Cranston, RI | — | Installer | L1465 |
| Anthony T Pelloni | Ashaway, RI | — | Installer | L1417 |
| Anthony V Santilli | West Warwick, RI | — | Designer (Class I) | D1103 |
| Anthony V Santilli | West Warwick, RI | — | Installer | L0586 |
| Antonio M Pereira | Cranston, RI | — | Installer | L1690 |
| Armando J Ricci | Providence, RI | — | Designer (Class III) | D3069 |
| Armando J Ricci | Providence, RI | — | Installer | L1380 |
| Arthur F Smith Jr | Tiverton, RI | — | Installer | L1587 |
| Arthur J Frattini | Charlestown, RI | — | Installer | L0787 |
| Arthur Mercure, III | Smithfield, RI | — | Installer | L1155 |
| Arthur R Cripps Jr. | Coventry, RI | — | Designer (Class III) | D3030 |
| Arthur R Cripps Jr. | Coventry, RI | — | Designer (Class IV Soil Evaluator) | D4024 |
| Arthur S Clarke, III | Jamestown, RI | — | Installer | L0130 |
| Arthur W Beauregard | Westerly, RI | — | Installer | L0443 |
| Bain R Transue | Block Island, RI | — | Installer | L1771 |
| Bay State Sewage Disposal Inc | Lakeville, MA | — | Septage Hauler | 843 |
| Benjamin A Gadoury | Coventry, RI | — | Installer | L2060 |
| Benjamin J Caito | Warwick, RI | — | Designer (Class III) | D3149 |
| Benjamin J LaMountain | Oxford, MA | — | Installer | L1774 |
| Blake A Ruggieri | North Kingstown, RI | — | Installer | L1988 |
| Bradford A Smith | Foster, RI | — | Installer | L2026 |
| Brandon B Faneuf | Warwick, RI | — | Designer (Class IV Soil Evaluator) | D4059 |
| Brandon Fish | Wakefield, RI | — | Installer | L1373 |
| Brandon M Blanchard | Lincoln, RI | — | Designer (Class III) | D3101 |
| Brendan M Friend | Wyoming, RI | — | Installer | L1787 |
| Brian D Snow | North Scituate, RI | — | Installer | L1844 |
| Brian D Woodhead | Portsmouth, RI | — | Installer | L1672 |
| Brian M DaPonte | Warren, RI | — | Installer | L1836 |
| Brian P Brown | Hope, RI | — | Designer (Class I) | D1247 |
| Brian P Brown | Hope, RI | — | Installer | L0760 |
| Brian P Thalmann | Barrington, RI | — | Designer (Class III) | D3027 |
| Brian Putnam | Chepachet, RI | — | Installer | L0900 |
| Brian R King | Warwick, RI | — | Designer (Class IV Soil Evaluator) | D4010 |
| Brian R Kuchar | Sandwich, MA | — | Designer (Class III) | D3098 |
| Brian R LeClair | Hope, RI | — | Installer | L2039 |
| BRIGGS SEPTIC, Inc. | Saunderstown, RI | — | Septage Hauler | 349 |
| Bruce Brayman | Hope Valley, RI | — | Installer | L0881 |
| Bruce G Hagerman | Warwick, RI | — | Designer (Class III) | D3014 |
| Byron A Rymer | Portsmouth, RI | — | Installer | L1939 |
| Carl J Adamo | Lincoln, RI | — | Designer (Class III) | D3058 |
| Carlos Mendes | Riverside, RI | — | Installer | L0909 |
| Carmino Paliotta | Johnston, RI | — | Designer (Class I) | D1167 |
| Carmino Paliotta | Johnston, RI | — | Installer | L1363 |
| Carolyn J Doyle | Hope Valley, RI | — | Designer (Class III) | D3067 |
| Carolyn J Doyle | Hope Valley, RI | — | Designer (Class IV Soil Evaluator) | D4072 |
| Cassie's Cans | West Kingston, RI | — | Septage Hauler | 940 |
| Charee M Jackson | Charlestown, RI | — | Designer (Class III) | D3116 |
| Charles A Lang | North Scituate, RI | — | Installer | L1460 |
| Charles D Kenyon | West Kingston, RI | — | Installer | L0627 |
| Charles K Recchia | North Stonington, CT | — | Installer | L1965 |
| Charles N Botka Jr. | Charlestown, RI | — | Installer | L1245 |
| Charles R Franklin | Exeter, RI | — | Installer | L1560 |
| Charles W Harris Jr | Harmony, RI | — | Installer | L0919 |
| Chris J Cipriano | Cranston, RI | — | Designer (Class I) | D1299 |
| Chris J Cipriano | Cranston, RI | — | Installer | L1873 |
| Christian B Sutter Timothy S Tarbox D4041 | Coventry, RI | — | Designer (Class IV Soil Evaluator) | D4077 |
| Christian D Reeves | Block Island, RI | — | Installer | L1868 |
| Christine N Beaulieu-Shea | Providence, RI | — | Designer (Class III) | D3079 |
| Christopher A Duhamel | Inc. Cranston, RI | — | Designer (Class III) | D3011 |
| Christopher A Duhamel | Inc. Cranston, RI | — | Designer (Class IV Soil Evaluator) | D4006 |
| Christopher E DiFilippo | North Scituate, RI | — | Installer | L2046 |
| Christopher F Hallahan | Westbrook, CT | — | Installer | L2030 |
| Christopher Fonseca | Bristol, RI | — | Designer (Class I) | D1172 |
| Christopher Fonseca | Bristol, RI | — | Installer | L1076 |
| Christopher Francis | Bristol, RI | — | Installer | L1090 |
| Christopher Furtado | Dighton, MA | — | Installer | L1950 |
| Christopher J Blank | Warren, RI | — | Installer | L2042 |
| Christopher J Cordice | Wakefield, RI | — | Installer | L2045 |
| Christopher J Crook | Bellington, MA | — | Installer | L1323 |
| Christopher J DeAngelis | Seekonk, MA | — | Installer | L1478 |
Most directories only tell you who to call. These are the cases where the honest answer is that you may not need this service at all, and the mistakes that cost people the most money.
Typical septic pumping pricing, with sources: what this costs in RI →
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