A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z · 0-9
| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| C & L Excavating, Inc. | Forest Hill, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00104 |
| C.A. Kamm Corporation Inc | Harwood, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00215 |
| C.A. Taciak & Sons | Towson, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00274 |
| C.E. Campbell Plumbing & Heating Inc | Pylesville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00961 |
| C.J. Miller, LLC | Hampstead, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01492 |
| C.L. Boswell Jr. Septic | Mechanicsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00133 |
| C.L. Boswell Septic Tank Service | White Plains, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (Sand Mound) | 01536 |
| C.M. Ayres enterprises LLC | Parkton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00290 |
| C.R. Semler, Inc | Smithsburg, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01065 |
| C.W. Gwynn Inc | Upper Marlboro, MD | — | Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00521 |
| C&C Plumbing & Septic | Hollywood, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00784 |
| C&C Plumbing & Septic INC | Hollywood, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 00726 |
| C&D Services, LLC | Aberdeen, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00569 |
| C+S Contractors, LLC | Sharpsburg, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 01453 |
| Calvert Chaney Construction Company | Harwood, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00247 |
| Calvert Septics & Excavation | Lusby, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02441 |
| Cameron Construction Inc. | Chaptico, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00377 |
| Cantwell Construction | Parsonsburg, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 02260 |
| Capital City Sewer Service Inc | Severna Park, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00196 |
| Capitol Development Design Inc. | Beltsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02346 |
| Care Utilities, Inc. | Pasadena, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT) | 00198 |
| Caretake, Inc. | McHenry, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00597 |
| Carl B Seeds Inc Sewer & Drain Clean | Owings, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01920 |
| Carr Family, LLC / Carr Services | McHenry, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01278 |
| Carroll Bros Contracting LLC | Centreville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 00379 |
| Carroll Land Services Inc | Westminster, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 01702 |
| Carter & Son Lawncare inc | Oxford, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02455 |
| Carter's Septic | Valley Lee, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 00872 |
| CAS Engineering | Frederick, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01178 |
| Casey Jones Enterprises Inc | Chester, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (Sand Mound) | 00474 |
| Casey's Plumbing | Cloumbia, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01964 |
| Catoctin Labs, Inc. | Thurmont, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00048 |
| Cavender Excavating & Sawmill | Warfordsburg, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02463 |
| CB3 Consulting Services Inc | Upper Marlboro, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01028 |
| Cecil Coounty Gov't | Elkton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01411 |
| Cedar Hill Excavating | Peach Bottom, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01449 |
| Cedar Valley Septic Services | Williamsport, MD | — | Inspector (BAT O&M)Installer (BAT) | 02231 |
| Century Engineering, Inc. | Hunt Valley, MD | — | Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01399 |
| Cerny Enterprises, LLC | Aberdeen, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 01944 |
| Certified Property Inspection, LLC | Hall, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01684 |
| Certified Water Testing LLC | Thurmont, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01608 |
| CG Point Consulting LLC | Virginia Beach, VA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02256 |
| CGC Builders, LLC. | Keymar, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01282 |
| Chaney Excavating | McHenry, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT)Installer (Sand Mound) | 01306 |
| Chaney Excavating, LLC. | McHenry, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT)Installer (Sand Mound) | 02482 |
| Charles A. Klein & Sons, Inc | Sykesville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00756 |
| Charles F. Murphy, Inc. Plumbing and H | Frederick, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00418 |
| Charles P. Johnson & Associates, Inc | Annapolis, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01958 |
| Charles P. Johnson & Associates, Inc. | Silver Spring, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02450 |
| Charles W. Ennis Sanitary Service, Inc | Salisbury, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00308 |
| Charlie's Plumbing | Street, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01262 |
| Charlies Bobcat service Inc | Sykesville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 00347 |
| Chavis Enterprises, LLC | Forest Hill, MD | — | Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00089 |
| Chavis Enterprises, LLC | Jarrettsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00101 |
| Cheezum Construction | Hurlock, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 01316 |
| Cheldine Management Consulting LLC | Leonardtown, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (BAT) | 00301 |
| Chesapeake Drafting and Design, LLC | Baltimore, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01481 |
| Chesapeake Environmental Lab, Inc | Stevensville, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01572 |
| Chesapeake Environmental Services, L | Delmar, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00128 |
| Chesapeake Environmental Services, L | Pittsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02114 |
| Chesapeake Environmental Services, L | Princess Anne, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02115 |
| Chesapeake Hydrographics and Land S | Lusby, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02490 |
| Chesapeake Inspection Services | Salisbury, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02353 |
| Chesapeake Maintenance and Service | Greensboro, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01274 |
| Chesapeake Operations | Stevensville, MD | — | Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00064 |
| Chesapeake Operations / Lab Leasing | Stevensville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02208 |
| Chesapeake Plumbing, Inc | Pasadena, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00334 |
| Chesapeake Septic Service, LLC | Church Hill, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT) | 00119 |
| Chesapeake Trails Surveying, LLC | Leonardtown, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01733 |
| Chesapeake Utilities & Construction Inc | Lusby, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00125 |
| Choptank Excavating, LLC | Denton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 01154 |
| Chris Lee & Son, Inc. | Easton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00595 |
| Chris Nonn LLC | Chesapeake City, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02305 |
| CHT Excavating, LLC | Wittman, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00416 |
| CHT Excavating, LLC | St. Michaels, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (Sand Mound) | 00705 |
| CJ Miller, LLC | Hampstead, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01757 |
| CL Grimes Excavating LLC | Lubsy, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02355 |
| Clabaugh Construction | Frederick, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 01556 |
| Clark / Azar & Associates, Inc | — | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02365 |
| Clarksburg Plumbing, LLC | Clarksburg, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01416 |
| Clarksville Plumbing LLC | Hanover, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02378 |
| Classic Plumbing & Heating, Inc. | Frederick, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01609 |
| Clayton Contracting, Inc. | Worton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00302 |
| Clean Cat Excavating & Landscaping | Port Republic, MD | — | Inspector (BAT O&M) | 00773 |
| Clean Delaware, LLC | Milton, DE | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01164 |
| Clean Restroom Rental, Inc. | Waldorf, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02072 |
| Clearview Mobile Home Park, LLC | Darlington, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00289 |
| Client first consultants, LLC | Germantown, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02326 |
| Cliff Lowe III Enterprises, LLC | Stevensville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01871 |
| CLSI, Inc. | Westminster, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 00287 |
| CMS Associates | Ellicott City, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02212 |
| COA Barrett, LLC | Prince Frederick, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02105 |
| COA Inc | Prince Frederick, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00479 |
| Colbert Matz Rosenfelt LLC | Owings Mills, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01461 |
| Cole Ventures, Inc | Annapolis, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01203 |
| Coleson's Septic Service | Westminster, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00268 |
| Collinson, Oliff & Associates, Inc | Prince Frederick, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00530 |
| Colson Contracting, LLC | Union Bridge, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT) | 02517 |
| Colson's Septic Service | Westminster, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01483 |
| Comer Construction Inc | Forest Hill, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02345 |
| Common Sense Solutions, LLC. | Laurel, DE | — | Inspector (BAT O&M)Inspector (Property Transfer) | 00524 |
| Compass Home Inspections, LLC | Chesapeake City, MD | — | Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01528 |
| Concepts In Building, Inc | Lusby, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00409 |
| Concepts In Building, Inc | Solomons, MD | — | Installer (At-Grade)Installer (Sand Mound) | 01517 |
| Condons Excavating, LLC | New Windsor, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 00249 |
| Conewago Enterprises, Inc | Hanover, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (Sand Mound) | 02360 |
| Conner Bro. Plumbing | Greenwood, DE | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00202 |
| Construction & Energy Services, LLC | Pasadena, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01549 |
| Cooper Septic LLC | Elkton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT)Installer (Sand Mound) | 01787 |
| Copsey's Septic Service, Inc | Mechanicsville, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00389 |
| Corey T Sebold | McHenry, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 00599 |
| Corey's Construction | Waynesboro, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (BAT)Installer (Sand Mound) | 02254 |
| Cornish S. Septic Services LLC | Pasadena, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 00646 |
| Cossentino Septic LLC | Upperco, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00252 |
| Cotton's Septic | Dunkirk, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (Sand Mound) | 01644 |
| Country Estates Inc | Delmar, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00894 |
| Countryside Excavating | Oakland, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02107 |
| Countryside Excavation Inc | Hartly, DE | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (Sand Mound) | 01864 |
| Countywide Septic | Walkersville, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00489 |
| Countywide Septic Service | Callaway, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 01987 |
| Coursey Excavating LLC | Cordova, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 01308 |
| Cox Enterprises, LLC | Darlington, MD | — | Installer (Sand Mound) | 01417 |
| Cox Enterprises, LLC | Whiteford, MD | — | 02205 | |
| CQI Home Inspections | Hollywood, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02371 |
| CQI Home Inspections, LLC | Hollywood, MD | — | Inspector (BAT O&M)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02257 |
| CR Kline Excavating | Keymar, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 00757 |
| CRA Construction, Inc | Owings, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 01730 |
| Creek View Construction LLC | Womelsdorf, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01957 |
| Creekside Land Management | Easton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 02319 |
| Cross Timbers Utility Inc | Monkton, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade) | 00434 |
| Crystal Custom Homes, LTD | Henderson, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00523 |
| CT Property Services, LLC | Oakland, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01433 |
| CT Stanley & Son Inc | Damascus, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 00361 |
| Cullen Construction LLC | Warwick, MD | — | Inspector (BAT O&M)Inspector (Property Transfer) | 02385 |
| Cullison Excavating, LLC | Callaway, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02551 |
| Cumberland Development Custom Hom | Union Bridge, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (Sand Mound) | 00962 |
| Custom Built by Laubach Construction, | Bel Air, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 01847 |
| CV, Inc. | Gaithersburg, MD | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound) | 02307 |
| CW Excavation LLC | Clearville, PA | — | Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT) | 02534 |
A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z · 0-9