Tidal Wetland Consultants List

This list is for informational purposes only. It is not a complete list of all providers that may offer tidal wetland related professional services. It is available as a convenience to the public. The Department in no way recommends or guarantees the accuracy or quality of services performed by the providers listed.

Another list that may be helpful is the List of Licensed Marine Contractors, for those contractors who perform marine contractor services:
mde.maryland.gov/programs/Water/WetlandsandWaterways/Pages/LicensedMarineContractors.aspx

Each provider listed is coded only for the wetland-related services they offer. The codes are assigned based on information furnished by the provider. If difficulties were encountered in determining what services were offered, then no code was assigned. Users of this list should always contact providers directly for a full and complete explanation of services offered. The codes are:

A: Construction/Contractors
B: Environmental Assessment
C: Design and Engineering
D: Mapping
E: Mitigation
F: Regulatory and Permit Coordination
G: Survey

Additions/revisions to the list will be processed upon receipt of a written request and appropriate documentation. Requests should include a summary description, in one page or less, of the wetland related services offered in the areas of: wetland delineations; functional analysis (e.g., WET and HEP); mitigation; and regulatory and permit coordination. Send request to:

Tidal Wetlands and Waterways Division
Water and Science Administration
Maryland Department of the Environment
1800 Washington Boulevard, Suite 430
Baltimore, Maryland 21230

A B Consultants Inc	9450 Annapolis Road Lanham, 20706 Phone(s): 301-843-7657,240-582-8033 Robert.Boyd@abconsultantsinc.com	Code(s):
A. B. & H. Excavating, Inc	PO Box 99 Route 249 Callaway, MD 20620 Phone(s): 301-994-0354	Code(s): A
Abuma Enterprises	PO Box 213 Arnold, MD 21012 Phone(s): 410-647-1939	Code(s): A
Adams Associates	2126 Park Lane Richmond, VA 23230	Code(s): B, C
Advanced Survey, Inc.	3140 West Ward Rd, Suite 103 Dunkirk, MD 20754 Phone(s): 410-266-9712	Code(s): C, F, G
A-J Marine, Inc.	11101 Cedar Lane Kingsville, MD 21087 Phone(s): 410-592-8157	Code(s): A
Allied Contractors, Inc.	Prestway Building 204 E. Preston Street Baltimore, MD 21202-3994 Phone(s): 410-539-6727	Code(s): A
Alvey, James T.	PO Box 1 Dameron, MD 20628	Code(s): F
American Marine Construction	PO Box 40 Harwood, MD 20776 Phone(s): 410-867-7399	Code(s): A
Anarex Incorporated	303 Najoles Rd Suite 114 Millersville, MD 21108-9803 Phone(s): 410-987-6901	Code(s): C, F, G
Anderson Marine Construction	PO Box 598 Severna Park, MD 21146 Phone(s): 410-255-2999,410-977-6276	Code(s): A
Andrews, Miller & Associates, a division of Davis, Bowen & Friedel, Inc.	106 North Washington Street Suite 103 Easton, MD 21601-3128 Phone(s): 410-770-4744 http://www.dbfinc.com	Code(s): C, F, G
Apple Marine Construction, Inc.	PO Box 524 Ocean City, MD 21842 Phone(s): 410-289-3443	Code(s): A, G
Arundel Structures	PO Box 9745 Arnold, MD 21012	Code(s): A
Bailey Marine Construction, Inc.	9810 Mill Point Road Easton, MD 21601 Phone(s): 410-822-2205	Code(s): B
Bay Bridge Permit Services	PO Box 6447 Annapolis, MD 21401 Phone(s): 443-926-6888 info@baybridgecompanies.com	Code(s): B, C, E, F, G
Bay Marine Contractors, Inc.	26 Bachelors Choice Lane Lothian, MD 20711	Code(s): A
Bayland Consultants & Designers, Inc.	7445 New Ridge Road Suite T Hanover, MD 21076 Phone(s): 410-694-9401 bayland@baylandinc.com https://www.baylandinc.com	Code(s): B, C, D, E, F, G
Bayshore Design	Attn: Mr. Craig Palubinski PO Box 339 Kinsale, VA 22488 Phone(s): 804-472-4439	Code(s): C
Bell, Benjamin B. Jr.	4710 Author Place, Suite 565 Camp Springs, MD 20746	Code(s): F
Biohabitats	The Stables Building 2081 Clipper Park Road Baltimore, MD 21211 Phone(s): 410-554-0156 info@biohabitats.com http://www.biohabitats.com	Code(s): B, C, D, E, F
Bitter, Susan D.	28 E. Susquehanna Ave. Suite 2 Towson, MD 21204	Code(s): B, C, D, E, F
Black & Veatch Engineers & Architects	1500 Meadow Lake Parkway Kansas City, MO 64114 Phone(s): 913-339-2000	Code(s): B, C, D, F, G
Bloomingdale Construction Co., Inc	PO Box 15, Main Street Queenstown, MD 21658 Phone(s): 410-827-8734,410-827-8984	Code(s):
Boyd & Dowgiallo	405 Headquarters Drive Suite 7 & 8 Millersville, MD 21108 Phone(s): 410-987-2500	Code(s): C, F
Boyd, Robert C.	412 Headquarters Dr Suite 5 Millersville, MD 20602 Phone(s): 410-729-1234	Code(s): C, F
Brandywine Sand & Gravel, Co.	54800 Sheriff Road Fairmount Heights, MD 20743 Phone(s): 301-925-8100	Code(s): A
Bray Hill, LLC	10357 Whitewasher Way Columbia, MD 21044 Phone(s): 443-745-6133 brayhill_llc@outlook.com	Code(s): A, B, C, E, F
Bryan & Sons, LLC	P.O. Box 2850 Easton, MD 21601 Phone(s): 410-819-3001	Code(s): A, B, C, D, E, F
Burton Hastings, Inc.	PO Box 212 Route 2 Cambridge, MD 21613 Phone(s): 410-228-1980	Code(s): A
C & C Inc.	6013 Old Washington Road Sykesville, MD 21784 Phone(s): 410-795-0374,410-440-0884	Code(s): A
Cecil Construction Corp.	PO Box 1177 Elkton, MD 21921	Code(s):
Chesapeake Docks, Inc.	333 Cedar Drive PO Box 2213 Salisbury, MD 21802-2213 Phone(s): 410-546-5543	Code(s): A
Chesapeake Pile Driving	11443 Rawhide Road Lusby, MD 20657 Phone(s): 410-326-2321	Code(s): A, F
Christopher Consultants, Ltd.	7172 Columbia Gateway Drive Suite 100 Columbia, MD 21046 Phone(s): 410-872-8690 http://www.christopherconsultants.com	Code(s): A, B, C, E, F
Coastal & Estuarine Research, Inc	PO Box 674 Lewes, DE 19958 Phone(s): 302-645-9610	Code(s): B, F
Coastal Design & Construction, Inc.	P. O. Box 650 Gloucester, VA 23061 Phone(s): 804-693-4158	Code(s): A, C, D, F, G
Coastal Resources, Inc.	25 Old Solomons Island Rd Annapolis, MD 21401 Phone(s): 410-956-9000	Code(s): B, G
Colliflower & Peterson, Inc	PO Box 135 Callaway, MD 20620 Phone(s): 301-994-2824	Code(s): A, C, E, F
Collison Oliff & Associates	PO Box 2209 Prince Frederick, MD 20678 Phone(s): 410-535-3101	Code(s): C, D, G
Community & Environmental Defense Services	606-A Freeland Road Freeland, MD 21053 Phone(s): 410-654-3021	Code(s): B, F
Consulting Services	45 Old Solomons Island Rd. Suite 105 Annapolis, MD 21401 Phone(s): 410-266-3828	Code(s): B, E, F
Cove Corporation	10200 Breeden Rd, Building 1 Lusby, MD 20657 Phone(s): 410-326-4577	Code(s): B, D, E, F
Crofton Diving Corporation	16 Harper Avenue Portsmouth, VA 23707 Phone(s): 757-397-1131	Code(s): A, C, F
Cyr’s Marine Construction	193 West Pasadena Road Millersville, MD 21108 Phone(s): 410-647-0879	Code(s): A, F
D. H. Steffens Construction	22335 Exploration Drive Suite 1020 Lexington Park, MD 20653 Phone(s): 301-862-2226	Code(s): C, F, G
D. S. K. Incorporated	PO Box 335 Bozman, MD 21612	Code(s): F, G
Daniel M. Lerian Contracting	281 Beckworth Court Severna Park, MD 21146 Phone(s): 410-544-0662	Code(s): A
David A. Bramble, Inc.	PO Box 419 Chestertown, MD 21620 Phone(s): 301-778-3023	Code(s): A
Davis & Associates Environmental Consulting LLC	Noreen G. Davis, President PO Box 733 Chestertown, MD 21620 Phone(s): 410-507-9793 Jndavis5@verizon.net http://www.davisenvironmentalconsultingllc.com	Code(s): B, C, E, F
Davis, Bowen & Friedel, Inc.	PO Box 93 Salisbury, MD 21803	Code(s): C, F
Deckelman’s Pile Driving	22589 Hudson Road Rock Hall, MD 21661 Phone(s): 410-778-6777	Code(s): A, C, F
Delmarva Development Services, Inc.	11835 Holly Plains Drive Ridgley, MD 21660	Code(s): C, F
Delon Hampton & Associates Chartered	12300 Twinbrook Parkway Suite 380 Rockville, MD 20852 Phone(s): 301-984-8833	Code(s):
Development Facilitators, Inc.	504 B & A Boulevard Severna Park, MD 21146 Phone(s): 410-647-2727	Code(s): C, F
Dewberry & Davis	2594 Riva Road Annapolis, MD 21401 Phone(s): 410-841-6811	Code(s): C, F, G
Dissen & Juhn Corporation	101 Log Canoe Circle Suite J Stevensville, MD 21666 Phone(s): 410-604-1802	Code(s): A, C, F
E. A. & J. O. Crandell, Inc.	733 Crandell Road West River, MD 20778 Phone(s): 410-867-0200	Code(s): A
E. A. Engineering, Science & Technology	15 Loveton Circle Sparks, MD 21152 Phone(s): 410-771-4950	Code(s): B, C, F
E. M. R. Incorporated	116 Defense Highway Suite 300 Annapolis, MD 21401 Phone(s): 410-266-0006	Code(s): C, G
Eastern Pile Driving	612 Back River Neck Road Baltimore, MD 21221 Phone(s): 410-391-1654	Code(s): A
Edward P. Howell, Inc.	1601 W. Pulaski Highway Elkton, MD 21921 Phone(s): 410-287-5353	Code(s): A
Environmental Concern, Inc.	PO Box P St. Michaels, MD 21663 Phone(s): 410-745-9620	Code(s): A, B, C, D, E, F, G
Environmental Resource Services, Inc.	1486 Snug Harbor Road Shady Side, MD 20764	Code(s): C, G
Environmental Resources, Inc.	1 Plaza East, Suite 319 Salisbury, MD 21801 Phone(s): 410-548-5320	Code(s): B, C, D, E, F, G
Environmental Systems Analysis, Inc.	2141 Priest Bridge Drive, Suite 1 Crofton, MD 21114 Phone(s): 410-267-0495 http://www.esatoday.com	Code(s): B, C, D, E, F
Environs Incorporated	1927 York Road Timonium, MD 21093 Phone(s): 410-560-2288	Code(s): B, C, D, E, F
EnviroProjects, LLC	93 Eastway Severna Park, MD 21146 Phone(s): 410-599-5335 http://www.EnviroProj.com	Code(s): B, C, D, E, F
Fetch Consulting Group	574-E Ritchie Hwy. #273 Severna Park, MD 21146 Phone(s): 410-756-0885 lauren@fetchconsultinggroup.com	Code(s): C, F
Flippo Construction Co.	3820 Penn-Belt Place Forestville, MD 20710 Phone(s): 301-779-4040	Code(s): A
Fred L. Hawkins, Co., Inc.	1315 Pulaski Highway Havre De Grace, MD 21078 Phone(s): 410-939-5100,410-575-7015	Code(s): A
Gahagan & Bryant Associate	207 E. Redwood Street Suite 307 Baltimore, MD 21202 Phone(s): 410-727-5835	Code(s): B, G
Gamma Engineering	PO Box 706 Annapolis, MD 21401	Code(s): C, E, F
Gebhardt, Inc.	7708 Alexander Ferry Road Clinton, MD 20735-0026	Code(s): A
General Paving & Contracting	6320 Falls Road Baltimore, MD 21209 Phone(s): 410-825-3397	Code(s):
George Miles & Buhr	206 W. Main Street Salisbury, MD 21801 Phone(s): 410-742-3115	Code(s): A, C, F, G
Geo-Technology Associates, Inc.	3445-A Box Hill Corporate Center Drive Abingdon, MD 21009 Phone(s): 410-515-9446	Code(s): A, B, C, E
Geo-Technology Associates, Inc.	14280 Park Center Drive Suite A Laurel, MD 20707 Phone(s): 410-792-9446,301-470-4470	Code(s): A, B, C, E
Gorman, Bud	309 Carolyn Street Georgetown, DE 19947 Phone(s): 302-856-6851	Code(s): C, F
Greenhorne & O’Mara	113 West Road Baltimore, MD 20770 Phone(s): 301-220-2596,410-982-2800	Code(s): B, C. F, G
Greenspring Environmental	PO Box 935 Brooklandville, MD 21022	Code(s): B, C, D, E, F
Haltaman, Monroe Jr.	PO Box 324, Route 2 Morris Leonard Road Parsonsburg, MD 21849	Code(s): F
Heinsohn Contracting, Inc.	222 Severn Avenue Suite 45 Annapolis, MD 21403	Code(s): A, F
Hoffman Marine Construction	1605 Coralie Court Pasadena, MD 21122	Code(s): A, F
Hofmann, John A., P.E.	521 Walton Road Huntingtown, MD 20639 Phone(s): 410-535-5112	Code(s): C, F
Holly Oak Consulting LLC	303 Sycamore Rd Severna Park, MD 21146 Phone(s): 443-906-3419 info@hollyoakconsulting.com www.hollyoakconsulting.com	Code(s): B, C, D, E, F, G
J & J Bulkheading	Main and Church Streets PO Box 600 Selbyville, DE 19975 Phone(s): 302-436-2800 Inquire@JandJBulkheading.com http://www.jandjbulkheading.com	Code(s): A, C, F
Jahnigen Marine Construction	757 N. Mesa Road Millersville, MD 21108 Phone(s): 410-766-6572	Code(s): A
John D. Sheetz, Inc.	829 Central Avenue Linthicum, MD 21090 Phone(s): 410-789-1370	Code(s): A
John H. Norris & Sons, Inc.	501 Palisades Boulevard Crownsville, MD 21032 Phone(s): 410-987-5646	Code(s): A
John H. Plummer & Associates	615 Eastern Shore Drive Salisbury, MD 21801 Phone(s): 410-546-4215	Code(s): C, F, G
K. C. I. Technologies, Inc.	1020 Cromwell Bridge Road Baltimore, MD 21204 Phone(s): 410-321-5500	Code(s): C
Kenster Corporation	621 Central Avenue Edgewater, MD 21037	Code(s): F
Keystone Aerial Survey	North Philadelphia Airport Philadelphia, PA 19114 Phone(s): 215-677-3119	Code(s): D, G
Kibler Excavating, Bldg., Eng.	3648 Washington Boulevard Baltimore, MD 21227 Phone(s): 410-242-3337	Code(s): A
Koch Associates	2661 Riva Road Suite 220 Annapolis, MD 21401 Phone(s): 410-573-5720	Code(s): C, F
Kool Ice & Seafood Co.	110 Washington Street Cambridge, MD 21613 Phone(s): 410-228-2300	Code(s): A
Kora & Williams Corporation	8412 Georgia Avenue Silver Spring, MD 20910 Phone(s): 301-770-6132	Code(s): A
Lacoboni Site Specialists, Inc.	PO Box 72550 Baltimore, MD 21237 Phone(s): 410-686-2100	Code(s): A
Lake Services of VA, Inc.	PO Box 608 Dumfries, VA 22026 Phone(s): 703-683-7459	Code(s): A, C, F
Land Tech	Robert L. Clark 147 Old Solomons Island Rd., 4th floor Annapolis, MD 21401 Phone(s): 410-266-3033	Code(s): B, C, E, F
Landmark Engineering	1751 Elton Road Suite 202 Silver Spring, MD 21009 Phone(s): 410-515-1947	Code(s): C
Lane Engineering, Inc.	117 Bay Street Easton, MD 21601 Phone(s): 410-822-8003 scallahan@leinc.com http://www.leinc.com	Code(s): B, C, D, E, F, G
Lane Engineering, Inc.	354 Pennsylvania Ave Centreville, MD 21617 Phone(s): 410-758-2095 scallahan@leinc.com http://www.leinc.com	Code(s): B, C, D, E, F, G
Lane Engineering, Inc.	15 Washington St Cambridge, MD 21613 Phone(s): 410-221-0818 scallahan@leinc.com http://www.leinc.com	Code(s): B, C, D, E, F, G
Lee Foundation Co. Inc.	8210 Harford Road Baltimore, MD 21234 Phone(s): 410-661-1616	Code(s): A
Louis F. Soul Company, Inc.	6918 University Drive Baltimore, MD 21220 Phone(s): 410-742-7797	Code(s): C, F
Lovenzi Dodds & Gunnill	PO Box 3 Montgomery Lane Waldorf, MD 20601 Phone(s): 301-843-6255	Code(s): C, F, G
Macfarlane Construction, Ltd.	215 Cockeysville Road Cockeysville, MD 21030 Phone(s): 410-667-1370	Code(s): A
Mandrin Construction Co.	8174 Ritchie Highway Pasadena, MD 21122 Phone(s): 410-544-3500	Code(s): A, F
Mansfield & Sons, Inc.	PO Box 66A Route 1 Cordova, MD 21625 Phone(s): 301-822-4646,301-820-2031	Code(s): A
Maps Incorporated	7677 Canton Center Drive Baltimore, MD 21214	Code(s): D
Marina Concepts, Inc.	1424 Davis Ford Road Woodbridge, VA 22192	Code(s): C, F
McCarthy & Associates	14458 Old Mill Road Suite 210 Upper Marlboro, MD 20772 Phone(s): 410-627-7508	Code(s): B, C, F
McCrone, Inc.	Easton, MD Phone(s): 410-822-3322	Code(s): C, F, G
McCrone, Inc.	20 Ridgley Avenue Annapolis, MD 21401 Phone(s): 410-267-8621,410-267-6947 annapolis@mccrone-inc.com	Code(s): C, F, G
McGinty’s Marine Construction, Inc.	9206 Coastal Highway PO Box 1324 Ocean City, MD 21842 Phone(s): 410-250-5066	Code(s): A, F
McLean Contracting Company	6700 McLean Way Glen Burnie, MD 21061 Phone(s): 410-553-6700	Code(s):
MD Environmental Service	2011 Commerce Drive Annapolis, MD 21401	Code(s): A, F
Melvin C. Benoff & Sons, Inc.	4216 Old North Point Road Baltimore, MD 21222 Phone(s): 410-477-5650	Code(s): A
Mermaid Marine Permits	6049-S Majors Lane Columbia, MD 21045 Phone(s): 301-740-5202	Code(s): F
Messick & Associates, Inc.	Mr. C. D. Messick, President 45 Old Solomons Island, Suite 105 Annapolis, MD 21401 Phone(s): 410-266-3212	Code(s): C
Mid Atlantic Native Plants	Herbaceous and Wetland Native Plant Supplier 12506 Susquehanna Trail South New Freedom, PA 17349 Phone(s): 717-227-0924 info@midatlanticnatives.com http://www.midatlanticnatives.com	Code(s):
Morris & Ritchie Assoc, Inc.	139 N. Main Street Suite 200 Bel Air, MD 21014 Phone(s): 410-879-1690	Code(s): C, G
NMP Engineering Consultants, Inc.	11350 McCormick Road Executive Plaza I, 6th Floor Hunt Valley, MD 21031 Phone(s): 410-771-9808 marketing@nmpengineering.com http://www.nmpengineering.com/	Code(s): B, D, F
O. S. Incorporated	PO Box 2037 Ocean City, MD 21842 Phone(s): 410-524-1518	Code(s): G
Off Shore Marine Construction	102 Chesapeake Estates Drive Stevensville, MD 21666 Phone(s): 410-643-1151	Code(s): A, F
P. Flanigan & Sons, Inc.	2444 Loch Raven Road Baltimore, MD 21218 Phone(s): 410-467-5900	Code(s): A
P.E.L.A.. Design, Inc.	1025 St. Paul Street Baltimore, MD 21202	Code(s): D
Parsons	10 East Baltimore Street Suite 801 Baltimore, MD 21202 Phone(s): 410-223-2740	Code(s): A, B, C, E
Parsons, Brinckerhoff, Quade & Douglas, Inc.	100 Saint Paul Street Baltimore, MD 21202 Phone(s): 410-727-5050	Code(s): C, F, G
Pedersen & Associates	1633 Foolish Pleasure Court Annapolis, MD 21401 Phone(s): 410-626-7852	Code(s): C, F
Permit Coordinators	PO Box 240 Riva, MD 21140 Phone(s): 410-956-5582	Code(s): F
Permit Services, Inc	6800 Rapid Water Way Glen Burnie, MD 21061	Code(s): C, F
Permits Plus, Inc.	487 Kenora Drive Millersville, MD 21108 Phone(s): 443-271-1528 terripermits@yahoo.com www.PermitsPlusbyTerri.com	Code(s): A,F
Photo Science, Inc.	7840 Airpark Road Gaithersburg, MD 20760 Phone(s): 301-948-8550	Code(s): D
Pile Drivers, Inc.	829 Central Avenue Linthicum, MD 21090 Phone(s): 410-789-1370	Code(s): A
Potts & Callahan, Inc.	500 W. 29th Street Baltimore, MD 21211 Phone(s): 410-235-9400	Code(s): A
Q. T. Incorporation	5700 Coastal Highway Ocean City, MD 21842	Code(s): D, G
Randy’s Pier & Seawall	44800 Contrail Road Hollywood, MD 20636	Code(s): A
Redman Johnston Assoc., Ltd.	416 Goldsborough Street Easton, MD 21601 Phone(s): 410-822-9630	Code(s): C, D, E, F, G
Rehak Bulkhead Contractors	7201 Bucher Road Baltimore, MD 21219 Phone(s): 410-477-8868	Code(s): A, F
Rehbein & Son, Inc.	PO Box 109 Chase, MD 21027 Phone(s): 410-335-3575	Code(s): A, F
Resource Conservation & Dev. Council	8133 Elliot Road Suite 201 Easton, MD 21601	Code(s): G
Ronald W. Johnson Assoc., Inc.	2661 Riva Road Suite 420 Annapolis, MD 21401 Phone(s): 410-841-5221,410-266-6612	Code(s): C, F
Rummel Klepper & Kahl	81 Mosher Street Baltimore, MD 21217 Phone(s): 410-728-2900	Code(s): B, C, D, E, F, G
Shoreline Marine Construction	8376 Dunn Road Pasadena, MD 21122 Phone(s): 410-255-6901	Code(s): A, C
Shorelines, Inc	8300 Kingsgate Road Potomac, MD 20854 Phone(s): 301-299-4287	Code(s): A,C, E, F
Smith Brothers, Inc.	4702 Woodfield Road Galesville, MD 20765 Phone(s): 301-867-1818	Code(s): A
Stuphin & Sons	PO Box 104 Wittman, MD 21676	Code(s): A, F
T. J. Company, Inc.	PO Box 4234 Silver Spring, MD 20904 Phone(s): 301-384-9834	Code(s): A
Terrain, Inc.	PO Box 6396 Annapolis, MD 21401 Phone(s): 410-280-0065	Code(s): F
Transviron, Inc.	1624 York Road Lutherville, MD 21093 Phone(s): 410-321-6961	Code(s): C
Trego Construction, Inc.	906 Talisman Lane Cambridge, MD 21613 Phone(s): 410-228-4926	Code(s): A
Tri State Stone Co., Inc.	8200 Seven Locks Road Bethesda, MD 20817 Phone(s): 301-365-2100	Code(s): A, C
Tyler Contracting Company	PO Box 539 St. Michaels, MD 21663 Phone(s): 410-745-2323	Code(s): A
Unity Church Hill Nursery	3621 Church Hill Road Church Hill, MD 21623 Phone(s): 410-556-6010 http://www.unitychurchhillnursery.com/	Code(s): A, B, C, D, E, F
Unity Landscape Design & Build	3621 Chuch Hill Road Church Hill, MD 21623 Phone(s): 410-556-6010 http://www.unitylandscape.com/	Code(s): A, B, C, D, E, F
Vanasse Hungen Brustlin, Inc.	7188 Chapman Drive Suite 12 Hayes, VA 23072 Phone(s): 804-642-0448	Code(s): B, C, F
Ventresca & Sons	5101 Sunnyside Avenue College Park, MD 20740 Phone(s): 301-474-2171	Code(s): A
W. S. Sipple Wetland & Environmental Training & Consulting	512 Red Bluff Court Millersville, MD 21108 Phone(s): 410-987-4083 bsip333@aol.com http://www.sippleenvironmental.com	Code(s): A, B, C, D, E, F
Walsh & Son, Inc.	1164 Gateway Drive Annapolis, MD 21401 Phone(s): 410-974-4201	Code(s): A
Wards Construction	200 Wards Road Dowell, MD 20629 Phone(s): 410-326-4116	Code(s): A
Warwick Supply & Equip. Co., Inc.	206 E. Preston Street Baltimore, MD 21202 Phone(s): 410-837-8440	Code(s): A
Weems Brothers, Inc.	6201 Old Trappe Road Trappe, MD 21673 Phone(s): 410-822-0510,410-819-0197	Code(s): A, C, F
Wells, Larry	301 Ann Drive Berlin, MD 21811 Phone(s): 410-641-1095	Code(s): B, C
Whitney, Bailey, Cox & Magnani	1850 York Road Suite 205 Timonium, MD 21093 Phone(s): 410-561-8388	Code(s): C
Wildman Environmental Services	PO Box 58 Glenwood, MD 21738	Code(s): B, F