Advanced Asphalt Technologies, L.P.
Sterling, VA
703-444-4200
703-444-4368
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AECOM
Hunt Valley, MD
410-785-7220
410-785-6818
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Aggregate Industries Mid-Atlantic
Greenbelt, MD
301-982-1400
301-513-0016
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Alban CAT
Baltimore, MD
410-686-7777
410-686-3729
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Allan Myers
Malvern, PA
610-560-7913
610-560-7955
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American Paving Fabrics, Inc.
Hanover, MD
410-379-2209
410-796-0272
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Apex Oil Company, Inc.
St. Louis, MO


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Arya Civil, LLC



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Asphalt Paving Equipment and Supplies Inc.
412 Meco Dr, Wilmington, DE 19804 & 26822 Lewes Georgetown Hwy, Harbeson, DE 19951
302-683-0105 & 302-664-1552
302-683-0107 & 302-664-1554
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Associated Asphalt, Inc.
Greensboro, NC
336-294-0025
336-294-3316
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Astec, Inc.
Chattanooga, TN
423-867-4210
423-867-3570
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Avalon Consulting Services
Baltimore, MD
410-945-9553
410-945-9554
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Axeon Specialty Products
Stamford, CT
855-378-4958

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Bitumar USA, Inc.
Baltimore, MD
410-370-0360
410-757-1471
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Bluegrass Materials
Cockeysville, MD
410-683-1250

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Bob Taylor Engineering
Lexington Park, MD
240-794-2800
301-862-5764
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C J Miller, LLC.
Hampstead, MD
410-239-8006
410-239-4204
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C. William Hetzer, Inc.
Hagerstown, MD
301-733-7300
301-733-0812
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C.P.E. Inc.
Jessup, MD
410-799-1169
410-799-1266
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Caterpillar, Inc.
Bel Air, MD
443-987-0554

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Central Maintenance Corp.
Baltimore, MD
410-355-8800
410-355-4847
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Century Engineering, Inc.
Hunt Valley, MD
443-589-2400
443-589-2401
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Christiana Materials
350 Salem Church Road, Newark, DE 19702
(302) 737-8700
(302) 737-7546
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CNA, Inc.
Forest Hill, MD
410-879-7200
410-838-1811
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Comer Construction, Co.
Forest Hill, MD
410-879-6094
410-638-0289
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Constellation Design Group, Inc.
Timonium, MD
410-252-1884
410-560-3632
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Construction Crane & Tractor
Folcroft, PA
610-586-2710
610-586-2740
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Dan Donovan
Ellicott City, MD
410-627-0016

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David A. Bramble, Inc.
Chestertown, MD
410-778-3023
410-778-3427
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Development Facilitators, Inc.
Millersville, MD
443-308-2100
443-308-2108
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Donegal Construction Corp.
Greensburg, PA
724-423-7500
724-423-7501
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E2CR, Inc.
1405-A Parker Road, Baltimore, Maryland 21227-1515
(410) 737-9100
(410) 737-9101
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EBA Engineering, Inc.
Baltimore, MD
410-358-7171
410-358-7213
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ECS Mid-Atlantic, LLC
Hanover, MD
410-859-4300
410-859-4324
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Elliot & Frantz, Inc.
Jessup, MD
410-792-9134
301-725-7361
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Evolution Energy Partners LLC
Exton, PA
610 329-8288

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Financial Benefit Services
Kensington, MD
301-949-1000
301-949-7038
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Findling, Inc.
Baltimore, MD
410-367-1400
410-466-6867
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Fleet Transit, Inc.
Baltimore, MD
410-355-7910
410-355-2372
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Fort Myer Construction Corporation
Washington, DC
202-636-9535
202-526-0470
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Francis O. Day Company, Inc.
Rockville, MD
301-652-2400
301-424-4443
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Frank J.Goettner Construction Co., Inc.
Kingsville, MD
410-592-7700
410-592-5968
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Gardner Asphalt Supply
25938 Nanticoke Street Seaford, DE 19973
302-448-9195

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Geo-Technology Associates, Inc.
Abingdon, MD
410-515-9446
410-515-4895
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George Associates, Inc.
Silver Spring, MD
301-589-9490
310-588-6605
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Gradeline Construction Co., Inc.
Middle River, MD
410-659-5161
410-630-1673
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Gray & Son, Inc.
Butler, MD
410-771-4311
410-771-8125
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Greenman-Pedersen, Inc.
Jessup, MD
410-880-3055
301-490-2649
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Hammaker East, LTD
Baltimore, MD
410-925-3849
410-355-6364
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Hillis-Carnes Engineering
Annapolis Junction, MD
410-880-4788
410-880-4098
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HMS Insurance Associates, Inc.
Brooklandville, MD
410-337-9755
410-337-0551
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Humbolt Manufacturing Co.
Raleigh, NC
919-833-3190
919-833-5283
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IA Construction Corp.
Cumberland, MD
301-724-1760
301-724-0864
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Iacoboni Site Specialists
Baltimore, MD
410-686-2100
410-686-8559
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Indam Engineers, Inc.
Ellicott City, MD
410-461-0001
410-461-0006
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Ingevity Corporation
N. Charleston, SC
843-259-7605

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Johnson, Mirmiran & Thompson
Sparks, MD
410-329-3100
410-472-2200
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KCI Technologies, Inc.
Hunt Valley, MD
410-316-7970
410-316-7972
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Keystone Lime Co.
Springs, PA
814-662-2711
814-662-4421
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Kinsley Construction, Inc.
Timonium, MD
410-453-6707
410-453-6709
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Laurel Sand & Gravel, Inc.
Laurel, MD
301-953-7650
301-470-4075
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Lawson Construction Group, LLC
Havre De Grace, MD
410-939-4068
1-877-774-4532
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Luck Stone Corporation
Leesburg, VA
703-777-3177
703-779-4774
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M. Luis Construction Co., Inc.
Baltimore, MD
410-545-0641
410-545-0643
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M.T. Laney Co. Inc.
Eldersburg, MD
410-795-1761
410-795-9546
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Machado Construction Co., Inc
Baltimore, MD
410-247-2662
410-247-3103
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Maryland Chemical Company
Baltimore, MD
410-752-2084
410-752-0001
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Maryland Paving, Inc.
Aberdeen, MD
410-879-6970
410-879-5478
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Maxam Equipment, Inc.
Kansas City, MO
800-292-6070
816-241-6465
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McClung-Logan Equipment Co., Inc.
Baltimore, MD
410-242-6500
410-242-7835
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Midlantic Machinery
Baltimore, MD
410-247-2100
443-543-0344
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MTS Transport
Stevensville, MD
410-991-1493
410-604-3345
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Murrysville Machinery Co. LLC
Irwin, PA
724-863-7000
724-863-9908
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NG Advantage LLC
Colchester, VT
(802) 760-1167 x 519

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NZI Construction Corp.
Beltsville, MD
301-937-8990
301-937-2514
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O’Connell & Lawrence, Inc.
Olney, Maryland
301-924-4570
301-924-5872
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P. Flanigan & Sons, Inc.
Baltimore, MD
410-467-5900
410-467-3127
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Phoenix Engineering Inc.
Hunt Valley, MD
410-329-1150
410-329-1110
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Priceless Industries, Inc.
Baltimore, MD
410-285-1900
410-282-8347
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PRIME AE Group, Inc.
Owings Mills, MD
410-654-3790
410-654-3791
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Progressive Engineering Consultants, Inc.
Columbia, MD
410-715-0390
410-715-1745
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QPR
Nottingham, MD
443-966-1188
678-746-2238
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Quarry Ridge Asphalt Co.
Cumberland, MD
301-777-8825
301-777-8274
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Reliable Contracting Company, Inc.
Gambrills, MD
410-987-0313
410-721-7700
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River Asphalt, LLC
Dover, DE
302-342-3137
302-342-3160
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Roadtec, Inc.
Chattanooga, TN
423-265-0600
423-265-7521
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Rummel, Klepper & Kahl
Baltimore, MD
410-728-2900
410-728-2834
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S.E.H. Excavating, Inc.
Finksburg, MD
410-833-3710
410-833-3971
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Seaboard Asphalt Products Co.
Baltimore, MD
410-355-0330
410-355-5864
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Senate Asphalt
Oxon Hill, MD
301-686-9090
301-686-9093
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Sitech Chesapeake, LLC
Baltimore, MD
855-579-3400

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Specialized Engineering
Hanover, MD
410-768-4800
410-768-4803
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Stantec
Laurel, MD
301-982-2800

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Team Cam, LLC
701 Evelyn Ave. Linthicum Heights, MD 21090
443-304-2237
443-304-2328
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The Robert B. Balter Company
Owings Mills, MD
410-363-1555
410-363-8073
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Tri-County Materials, LLC
Dover, DE
302-658-6524
302-658-0684
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Unique Paving Materials Corporation
Cleveland, OH
800-441-4880
216-341-8514
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Valley Quarries
Chambersburg, PA
717-267-2244
717-267-2521
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VE Engineering, Inc.
Camp Hill, PA & Towson, MD
800-832-8721
866-283-5698
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Vulcan Materials Company
Manassas, VA
703-631-9690
703-368-2139
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Wallace Montgomery & Associates
Towson, MD
410-494-9093
410-825-5714
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Whitman, Requardt & Associates, LLP
Baltimore, MD
410-235-3450
410-243-5716
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York Building Products Co., Inc.
Port Deposit, MD
410-378-4477
410-378-9296
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