Note: This alphabetical list of potential employers in the geosciences was first generated in 1996 and has been only partially updated in the intervening years.

• Advanced Land and Water, Inc.
  7540 Main Street, Suite 7
  Sykesville, MD 21784
  Tel: 410-795-4626
  www.alwi.com
• AMA Analytical Services, Inc.
  4485 Forbes Blvd.
  Lanham, MD 20706

• American Association for the Advancement of Science (AAAS)
  1333 H St. N.W.
  Washington, D.C. 20005

• American Geological Institute
  4220 King St.
  Alexandria, VA 22302-1507

• American Geophysical Union
  2000 Florida Avenue, N.W.
  Washington, D.C. 20009

• American Mining Congress
  1920 N Street, N.W.
  Washington, D.C. 20036

• American Petroleum Institute
  21011 L Street, N.W.
  Washington, D.C. 20005
  (202) 682-8000

• American University
  Department of Chemistry
  Washington, D.C. 20016

• ARIAS, Inc.
  201 Glyndon St., SE
  Vienna, VA 22180
  (703) 255-3410

• Army Corps of Engineers
  Kingman Building
  Fort Belvoir, VA 22060

• Associated Technical Consultants
  P.O. Box 20
  Germantown, MD 20767

• Atec Associates
  8989 Herrmann Road
  Columbia, MD 21045

• A.W.D. Technology
  15204 Omega Dr.
  Rockville, MD
  948-0040

• The Robert B. Balter Co.
  18 Music Fair Road
  Owings Mills, MD
  (301) 723-6677

• Bechtel Group
  1015 15th Street N.W.
  Washington, D.C. 20005-2612

• Bechtel (Int. HQ)
  5275 Westview Drive
  Frederick, MD 21703-8306

• Bengtson, De Bell, Elkin, & Titus
  10801 Lockwood Dr., Suite 320
  Silver Spring, MD 20901
  (301) 681-8575

• BHP Minerals
  200 Fairbrook Dr. Suite 204
  Herndon, VA 22070

• British Mining Consultants USA, Ltd.
  10195 Main St.
  Fairfax, VA

• Bureau of Land Management
  19th & E Steet, N.W.
  Office of Personnel
  Dept. of the Interior
  Washington, D.C. 20240
• Business and Technical Systems, Inc.
  Suite 440, Aerospace Building
  10210 Greenbelt Road
  Seabrook, MD 20801

• Chirlin & Associates
  18 Anamosa Ct.
  Derwood, MD
  (301) 330-8441

• Clean Sites, Inc
  1199 North Fairfax St #400
  Alexandria, VA 22314

• Dames and Moore
  7101 Wisconsin Avenue
  Bethesda, MD 20814
  (301) 652-2215

• Defense Mapping Agency
  8613 Lee Highway
  Fairfax, VA
  285-9370

• Delaware Geological Survey
  DGS Building
  University of Delaware
  Newark, Delaware 19716

• Delphic Associates
  7700 Leesburg Pike
  Falls Church, VA 22043-2615

• Dewberry and Davis
  8103 Arlington Blvd.
  Fairfax, VA 22031
  (703) 560-1100

• Department of Energy
  Office of Personnel
  1000 Independence Ave., S.W.
  Room 4F 077, Code MA 152
  Washington, D.C. 20585

• Department of Terrestrial Magnetism
  5241 Broad Branch Road, N.W.
  Washington, D.C. 20015
  (202) 966-0863
• Dynamac Corp.
  2275 Research Blvd.
  Rockville, MD 20850
  301-417-9800

• Earth Data Inc.
  605 S. Talbot St.
  St. Michaels, MD 21663
  (contact: Andrew Bullen)

• Earth Satellite Corporation
  6011 Executive Blvd.
  Rockville, MD 20852

• Earth Technology Co., Inc.
  2136 Gallows Road, Suite F
  Vienna, VA 22170
  (703) 573-3374

• Victor Elias and Associates
  6809 Carlynn Ct
  Bethesda, MD
  (301) 229-6805

• Engineering and Science Associates, Inc.
  6110 Executive Blvd.
  Rockville, MD
  (301) 770-2550

• ENSCO, Inc.
  5400 Port Royal Road
  Springfield, VA 22151

• Environmental Protection Agency
  401 M Street, S.W.
  Washington, D.C. 20460

• Everett and Associates
  203 Dale Drive
  Rockville, MD 20850
  (301) 279-2606

• Geocentric Engineering, Inc.
  8476 Terminal Rd.
  Newington, VA
  (703) 550-9253

• Geomatrix, Inc.
  7009 Freeport St.
  Hyattsville, MD
  (301) 322-8033

• Geophysical Laboratory
  5251 Broad Branch Rd., NW
  Washington, D.C. 20015-1305

• George Mason University
  Dept. of Geography and Earth Systems Science
  4400 University Drive
  Fairfax, VA 22030

• George Washington University
  Department of Geology
  2129 G Street, N.W.
  Washington, D.C. 20052

• GEO-SCI Consultants, Inc.
  4410 Van Buren St.
  Hyattsville, MD 20852-1121

• Geoscience Consultants
  4221 Forbes Blvd.
  Lanham, MD 20706
  459-9677

• Geotech Engineers
  892 Westside Dr.
  Gaithersburg, MD
  (301) 670-0924

• Geotechnical Instruments, Inc.
  7505 Standish Pl.
  Rockville, MD 20855-2731

• Geotimes
  5205 Leesburg Pike
  Falls Church, VA 22041

• Geo-Trans, Inc.
  250 Exchange Place (?)
  Herndon, VA (?)

• Geotrans, Inc.
  46050 Manekin Plaza
  Suite 100
  Sterling, Va 22170
  (703-444-7000)

• Geraghty and Miller, Inc.
  1131 Benfield Blvd.
  Millersville, MD 21108-2540
  912-2097

• Goddard Space Flight Center-NASA
  Office of Personnel
  Greenbelt Road
  Greenbelt, MD 20771

• Greenhorne and O'Mara, Inc.
  9001 Edmonston Rd.
  Greenbelt, MD
  (301) 982-2800

• Groundwater Env. Ser., Inc.
  2134 Espry Court
  Suite 16
  Crofton, MD 21114
  (contact: Kevin Hopson, 410-721-0047)

• E.D. Hagarty, C.C. Johnson & Malhotra
  601 Weaton Plaza South
  Silver Spring, MD 20902

• Handex of MD, inc.
  1350 blair Drive Suite H
  Odenton, MD 21113
  (Bruce Norton, 410-674-3100)

• T.A. Houston and Associates
  414 N. East Street
  Culpeper, VA 22701
  (703) 825-6262

• Howard University
  Department of Geology
  Washington, D.C. 20001

• HYDRO-TERRA, INC.
  5513 Twin Knolls Rd.
  Columbia, MD
  (301) 596-3160

• Hydrogeologic, Inc.
  1165 Herndon Pkwy. Suite 900
  Herndon, VA 22070
  (David Black, 703-478-5186)

• ICCS
  6654 Hampton Park Ct.
  McLean, VA 22101

• ICF Resources
  9300 Lee Highway
  Fairfax, VA 22031-1207

• Independent Testing Laboratories, Inc.
  14650 Southlawn Ln
  Rockville, MD
  (301) 424-3090

• Institute for Energy and Environmental
  Research
  Takoma, MD

• Inter-American Development Bank
  808 17th Street, N.W.
  Washington, D.C. 20577

• Intergraph Corp.
  Federal Systems Div.
  2051 Mercator Drive
  Reston, VA 22091-3413
  (703) 264-5779

• Internal Revenue Service
  Employment Section, Personnel Div.
  Room 1028
  1111 Constitution Avenue, N.W.
  Washington, D.C. 20224

• Johns Hopkins University
  Department of Earth Science
  Baltimore, MD 21218

• Johnston and Associates Inc.
  15905 Berkley Drive
  Haymarket, VA 22069
  (703) 385-0153

• Japan National Oil Corporation
  1750 New York Avenue, N.W.
  Washington, D.C. 20006

• Killmar Associates
  752-F1 Walker Road
  Great Falls, VA 22066
  (703) 759-6166

• Kidde Consultants, Inc.
  8306 Patuxent Range Rd.
  Jessup, MD
  (301) 937-5121

• Kleinfelder, Inc.
  1340 Charwood Road, Suite I
  Hanover, MD 21076
  (866) 862-9760
  
www.kleinfelder.com
• Land Tech Remedial
  435 Pennsylvania Ave.
  Fort Washington, PA 19034
  215-646-5855
  (office in Frederick, MD also)

• Richard F. Langhill & Associates, Inc.
  20150 Wynnfield Dr.
  Germantown, MD
  (301) 972-2979

• Law Engineering
  4460 Brookfield Corporate Dr.
  Chantilly, VA
  (703) 968-4700

• Mary Washington College
  Department of Geology
  Fredericksburg, VA 22401

• Maryland Department of Natural Resources
  Tawes State Office Bldg.
  580 Taylor Avenue
  Annapolis, MD 21401

• Maryland Geolgical Survey
  2300 St. Paul Street
  Baltimore, MD 21218
• Mineralogical Society of America
  1015 18th St. N.W.
  Suite 601
  Washington, D.C. 20036

• Minerals Management Service
  Personnel Division
  381 Elden Street, Suite 1109
  Herndon, VA 22070-4817

• Mitre Corporation
  1820 Dolley Madison Blvd.
  McLean, VA 22101
  (703) 827-6535

• Montgomery College
  Department of Physics and Geoscience
  Rockville, MD 20850

• National Academy of Sciences
  2101 Constitution Avenue, N.W.
  Washington, D.C. 20418

• National Oceanic and Atmospheric Administration
  Office of Personnel, Room 516
  6010 Executive Blvd.
  Rockville, MD 20852

• National Park Service
  Personnel Management Division
  Room 3325, Interior Building
  Washington, D.C. 20240

• National Institute of Standards and Technology (NIST)
  Gaithersburg, MD 20899

• National Research Council
  2101 Constitution Avenue, N.W.
  Washington, D.C. 20418

• National Science Foundation
  2701 Wilson Blvd.
  Arlington, VA 22230

• NASA
  Solar System Exploration Division
  NASA Headquarters
  Washington, DC 20546-0001

• NASA-Goddard
  Space Flight Center
  Greenbelt Rd.
  Greenbelt, MD
  Employment: (301) 344-5326

• Naval Research Lab
  4555 Overlook Ave. SW
  703-545-6700

• Nuclear Regulatory Commission
  Geosciences Branch, MSP 314
  Washington, D.C. 20555

• Oosterban Associates
  4909 Cordell Avenue
  Bethesda, MD 20814
  (301) 907-9100

• S.S. Papadopulos & Associates Inc.
  7944 Wisconsin Ave.
  Bethesda, MD 20814-3620
  718-8900

• Patton, Harris, Rust, and Associates
  14221-A Willard Rd Suite 500
  Chantilly, VA 22021
  (703) 263-0400

• Petroleum Information Corporation
  1299 National Press Building
  Washington, D.C. 20045

• Prince Georges Community College
  Department of Earth Science
  Largo, MD 20870
  Ringan Associates, Inc.
  4003 Clagett Road
  University Park, MD
  (301) 277-4292

• S-Cubed, Inc.
  11800 Sunrise Valley Drive, Suite 1112
  Reston, VA 22091

• Science
  1333 H St. N.W.
  Washington, D.C. 20005

• Schnabel Engineering Associates
  4909 Cordell Avenue
  Bethesda, MD
  (301) 652-5300

• Schonstedt Instrument Co.
  1775 Wiehle Avenue
  Reston, VA 22090

• Soil Consultants, Inc.
  13944-G Willard Road
  Chantilly, VA 22033
  (703) 631-3555

• Soil Consultants of MD
  7801 Old Branch Ave. #104
  Clinton, MD 20735
  301-856-4806

• Soil Tech Inc.
  14630-F Flint Lee Road
  Chantilly, VA 22021
  (703) 631-9647

• STS Consultants, Ltd.
  3725 Concord Parkway
  Suite, 100
  Chantilly, VA 22021
  (703) 698-5300

• Smithsonian Institution
  Office of Personnel Administration
  Arts and Industries Bldg., Room 1410
  900 Jefferson Drive, S.W.
  Washington, D.C. 20560

• Smithsonian Institution
  Museum of Natural History
  Constitution and 10 St. N.W.
  Washington, D.C.
  202-357-1300
• Southwest Research Institute
  Center for Nuclear Waste Regulatory Analyses
  Crystal City, Virginia

• Teledyne Geotech, Inc.
  2111 Wilson Blvd.
  Arlington, VA 22201
  703-276-4600

• Terradynamics Corp.
  Rt 1
  Aldie, VA 22001
  (703) 327-6500

• Tidewater, Inc.
  8990-D State Route 108
  Columbia, MD 21045
  410-997-4458
  FAX 410-997-8713
  www.tideh2o.net

• Towson State University
  Department of Earth Sciences
  Towson, MD 21204-7097

• University of the District of Columbia
  Department of Biological and Environmental Science
  4200 Connecticut Avenue
  Washington, D.C. 20008
  (202) 282-7300

• University of Maryland
  Geology Department
  College Park, MD 20742

• U.S. Army Topo. Eng. Ctr.
  7701 Telegraph Road
  Alexandria, VA 22310-3864

• U.S. Department of Energy
  Office of Energy Research
  Washington, D.C. 20585

• U.S. Geological Survey
  Office of Human Resources
  Reston, VA
  www.usgs.gov/ohr/

• Virgina Division of Mineral Resources
  P.O. Box 144
  Abington, VA 24210

• Washington Gas Light Co.
  6801 Industrial Road
  Springfield, VA 22151

• Washington Post
  Science Editor
  1515 L. Street N.W.
  Washington, D.C. 20005

• Washington Testing Inc., Professional Service Industries, Inc.
  4270-C Henninger Court
  Chantilly, VA
  (703) 631-7878

• Woodward-Clyde Consultants (now URS Corporation)
  Gaithersburg, MD
  301-258-9780

• World Bank
  1818 H Street, N.W.
  Washington, D.C. 20433

Roster Compiled: August 28, 1996 (Last Partial Update: June 9, 2007)