COLUMN 1 | COLUMN 2 | COLUMN 3 | COLUMN 4 | COLUMN 5 | COLUMN 6 | COLUMN 7 | COLUMN 8 |
| | | VALUE | SHRS OR | SH/ | PUT/ | INVESTMENT | OTHER | VOTING AUTHORITY |
NAME OF ISSUER | TITLE OF CLASS | CUSIP | (x$1000) | PRN AMT | PRN | CALL | DISCRETION | MANAGER | SOLE | SHARED | NONE |
3M COMPANY | COM | 88579y101 | 2,893 | 18,543 | SH | | SOLE | | 0 | 0 | 18,543 |
ABBOTT LABORATORIES | COM | 002824100 | 38,216 | 417,980 | SH | | SOLE | | 108,961 | 0 | 309,019 |
ABBVIE INC | COM | 00287y109 | 916 | 9,327 | SH | | SOLE | | 0 | 0 | 9,327 |
ACCENTURE PLC CL A | COM | g1151c101 | 46,251 | 215,401 | SH | | SOLE | | 55,190 | 0 | 160,211 |
ADVANCED MICRO DEVICES | COM | 007903107 | 276 | 5,254 | SH | | SOLE | | 0 | 0 | 5,254 |
AERCAP HOLDINGS NV | COM | n00985106 | 899 | 29,200 | SH | | SOLE | | 0 | 0 | 29,200 |
AIR LEASE CORP CLASS A | COM | 00912x302 | 439 | 15,000 | SH | | SOLE | | 0 | 0 | 15,000 |
ALIBABA GROUP HOLDING LIMITED | COM | 01609w102 | 234 | 1,087 | SH | | SOLE | | 0 | 0 | 1,087 |
ALPHABET INC CLASS A | COM | 02079k305 | 52,781 | 37,221 | SH | | SOLE | | 7,465 | 0 | 29,756 |
ALPHABET INC CLASS C | COM | 02079k107 | 14,103 | 9,977 | SH | | SOLE | | 3,085 | 0 | 6,892 |
AMAZON.COM | COM | 023135106 | 4,933 | 1,788 | SH | | SOLE | | 0 | 0 | 1,788 |
AMDOCS LTD ORD GBP0.01 | COM | g02602103 | 703 | 11,552 | SH | | SOLE | | 0 | 0 | 11,552 |
AMERICAN AIRLINES GROUP INC | COM | 02376r102 | 183 | 14,000 | SH | | SOLE | | 0 | 0 | 14,000 |
AMERICAN TOWER CORP | COM | 03027x100 | 232 | 896 | SH | | SOLE | | 0 | 0 | 896 |
ANSYS INC. | COM | 03662q105 | 1,532 | 5,253 | SH | | SOLE | | 0 | 0 | 5,253 |
APPLE INC | COM | 037833100 | 40,711 | 111,598 | SH | | SOLE | | 20,940 | 0 | 90,658 |
AT&T CORP | COM | 00206r102 | 1,415 | 46,798 | SH | | SOLE | | 0 | 0 | 46,798 |
AUTOZONE INC | COM | 053332102 | 378 | 335 | SH | | SOLE | | 0 | 0 | 335 |
BECTON DICKINSON & CO | COM | 075887109 | 25,504 | 106,593 | SH | | SOLE | | 30,230 | 0 | 76,363 |
BERKSHIRE HATHAWAY CL. A | COM | 084670108 | 535 | 2 | SH | | SOLE | | 0 | 0 | 2 |
BERKSHIRE HATHAWAY CL. B | COM | 084670702 | 5,908 | 33,098 | SH | | SOLE | | 1,380 | 0 | 31,718 |
BIO-RAD LABORATORIES INC | COM | 090572207 | 1,128 | 2,499 | SH | | SOLE | | 0 | 0 | 2,499 |
BLACKROCK INC. | COM | 09247x101 | 1,154 | 2,121 | SH | | SOLE | | 0 | 0 | 2,121 |
BLACKSTONE | COM | 09260d107 | 1,163 | 20,532 | SH | | SOLE | | 0 | 0 | 20,532 |
BOEING CO | COM | 097023105 | 261 | 1,425 | SH | | SOLE | | 0 | 0 | 1,425 |
BRANDYWINE RLTY TR SH BEN INT | COM | 105368203 | 1,091 | 100,214 | SH | | SOLE | | 0 | 0 | 100,214 |
BRISTOL MYERS SQUIBB | COM | 110122108 | 2,992 | 50,885 | SH | | SOLE | | 0 | 0 | 50,885 |
BROADCOM LTD COM NPV | COM | y09827109 | 395 | 1,250 | SH | | SOLE | | 0 | 0 | 1,250 |
BURKE & HERBERT BANK & TRUST | COM | 121331102 | 1,424 | 824 | SH | | SOLE | | 0 | 0 | 824 |
CATERPILLAR INC | COM | 149123101 | 305 | 2,409 | SH | | SOLE | | 0 | 0 | 2,409 |
CHEVRON CORPORATION | COM | 166764100 | 2,230 | 24,989 | SH | | SOLE | | 1,300 | 0 | 23,689 |
CHURCH & DWIGHT CO INC | COM | 171340102 | 1,026 | 13,275 | SH | | SOLE | | 0 | 0 | 13,275 |
CISCO SYSTEMS INC | COM | 17275r102 | 1,947 | 41,753 | SH | | SOLE | | 0 | 0 | 41,753 |
CITRIX SYSTEMS INC | COM | 177376100 | 263 | 1,775 | SH | | SOLE | | 0 | 0 | 1,775 |
COCA COLA CO | COM | 191216100 | 1,303 | 29,166 | SH | | SOLE | | 0 | 0 | 29,166 |
COGNIZANT TECH SOLUTIONS CORP | COM | 192446102 | 21,811 | 383,854 | SH | | SOLE | | 104,490 | 0 | 279,364 |
COLGATE PALMOLIVE CO. | COM | 194162103 | 20,165 | 275,246 | SH | | SOLE | | 0 | 0 | 275,246 |
COMCAST CORP CL A | COM | 20030n101 | 301 | 7,723 | SH | | SOLE | | 0 | 0 | 7,723 |
COMERICA | COM | 200340107 | 280 | 7,341 | SH | | SOLE | | 0 | 0 | 7,341 |
CONSOLIDATED EDISON INC | COM | 209115104 | 396 | 5,500 | SH | | SOLE | | 0 | 0 | 5,500 |
CVS HEALTH CORP | COM | 126650100 | 40,632 | 625,394 | SH | | SOLE | | 148,840 | 0 | 476,554 |
DANAHER CORP | COM | 235851102 | 26,659 | 150,763 | SH | | SOLE | | 40,014 | 0 | 110,749 |
DELTA AIR LINES INC. | COM | 247361702 | 1,094 | 39,000 | SH | | SOLE | | 0 | 0 | 39,000 |
DISNEY (WALT) CO. | COM | 254687106 | 29,509 | 264,629 | SH | | SOLE | | 74,439 | 0 | 190,190 |
DOMINION RESOURCES INC | COM | 25746u109 | 579 | 7,133 | SH | | SOLE | | 0 | 0 | 7,133 |
DONALDSON COMPANY INC | COM | 257651109 | 34,239 | 736,010 | SH | | SOLE | | 210,370 | 0 | 525,640 |
DTE ENERGY HOLDING CO | COM | 233331107 | 215 | 2,000 | SH | | SOLE | | 0 | 0 | 2,000 |
DUKE ENERGY CORP. | COM | 26441c204 | 551 | 6,891 | SH | | SOLE | | 0 | 0 | 6,891 |
ENBRIDGE INC | COM | 29250n105 | 266 | 8,748 | SH | | SOLE | | 0 | 0 | 8,748 |
EPAM SYSTEMS INC | COM | 29414b104 | 1,680 | 6,667 | SH | | SOLE | | 0 | 0 | 6,667 |
EQUIFAX INC. | COM | 294429105 | 1,025 | 5,961 | SH | | SOLE | | 0 | 0 | 5,961 |
EVOLENT HEALTH INC | COM | 30050b101 | 712 | 100,000 | SH | | SOLE | | 0 | 0 | 100,000 |
EXXON MOBIL CORPORATION | COM | 30231g102 | 2,391 | 53,461 | SH | | SOLE | | 0 | 0 | 53,461 |
FACEBOOK INC COM | COM | 30303m102 | 38,985 | 171,686 | SH | | SOLE | | 47,965 | 0 | 123,721 |
FACTSET RESEARCH SYSTEMS INC. | COM | 303075105 | 1,097 | 3,340 | SH | | SOLE | | 0 | 0 | 3,340 |
FEDEX CORPORATION | COM | 31428x106 | 31,896 | 227,468 | SH | | SOLE | | 60,975 | 0 | 166,493 |
FVCBANKCORP INC | COM | 36120q101 | 189 | 17,577 | SH | | SOLE | | 0 | 0 | 17,577 |
GARTNER INC | COM | 366651107 | 834 | 6,873 | SH | | SOLE | | 0 | 0 | 6,873 |
GENERAL ELEC CO COM | COM | 369604103 | 141 | 20,644 | SH | | SOLE | | 0 | 0 | 20,644 |
GENERAL MILLS INC. | COM | 370334104 | 243 | 3,946 | SH | | SOLE | | 0 | 0 | 3,946 |
GENTEX CORP | COM | 371901109 | 831 | 32,237 | SH | | SOLE | | 0 | 0 | 32,237 |
GLOBUS MEDICAL INC | COM | 379577208 | 1,009 | 21,150 | SH | | SOLE | | 0 | 0 | 21,150 |
GOLDMAN SACHS GROUP INC | COM | 38141g104 | 29,809 | 150,838 | SH | | SOLE | | 43,295 | 0 | 107,543 |
HALOZYME THERAPEUTICS INC | COM | 40637h109 | 201 | 7,500 | SH | | SOLE | | 0 | 0 | 7,500 |
HARTFORD FINANCIAL SERVICES GR | COM | 416515104 | 1,187 | 30,803 | SH | | SOLE | | 0 | 0 | 30,803 |
HOME DEPOT INC | COM | 437076102 | 474 | 1,894 | SH | | SOLE | | 0 | 0 | 1,894 |
HONEYWELL INTL INC | COM | 438516106 | 450 | 3,111 | SH | | SOLE | | 1,000 | 0 | 2,111 |
HUNTINGTON BANCSHARES INC | COM | 446150104 | 517 | 57,179 | SH | | SOLE | | 0 | 0 | 57,179 |
IDEX CORP | COM | 45167r104 | 522 | 3,300 | SH | | SOLE | | 0 | 0 | 3,300 |
ILLUMINA INC | COM | 452327109 | 1,704 | 4,601 | SH | | SOLE | | 0 | 0 | 4,601 |
INTEL CORP | COM | 458140100 | 4,130 | 69,033 | SH | | SOLE | | 0 | 0 | 69,033 |
INTL BUSINESS MACH | COM | 459200101 | 4,308 | 35,668 | SH | | SOLE | | 0 | 0 | 35,668 |
ISHARES CORE MSCI EMERGING MAR | COM | 46434g103 | 3,282 | 68,957 | SH | | SOLE | | 0 | 0 | 68,957 |
ISHARES MSCI EAFE INDEX FUND | COM | 464287465 | 962 | 15,796 | SH | | SOLE | | 0 | 0 | 15,796 |
ISHARES S&P 500 VALUE ETF | COM | 464287408 | 4,750 | 43,894 | SH | | SOLE | | 0 | 0 | 43,894 |
ISHARES TR RUSSELL 1000 GROWTH | COM | 464287614 | 225 | 1,173 | SH | | SOLE | | 0 | 0 | 1,173 |
ISHARES TR RUSSELL 2000 GROWTH | COM | 464287648 | 558 | 2,696 | SH | | SOLE | | 0 | 0 | 2,696 |
ISHARES TR S&P 500/ GROWTH IND | COM | 464287309 | 4,376 | 21,092 | SH | | SOLE | | 0 | 0 | 21,092 |
ISHARES TR S&P MIDCAP 400 INDE | COM | 464287507 | 1,601 | 9,003 | SH | | SOLE | | 0 | 0 | 9,003 |
ISHARES TR S&P SMALLCAP 600 IN | COM | 464287804 | 728 | 10,658 | SH | | SOLE | | 0 | 0 | 10,658 |
ISHARES TRUST CORE MSCI EAFE | COM | 46432f842 | 5,203 | 91,025 | SH | | SOLE | | 0 | 0 | 91,025 |
JACOBS ENGINEERING GROUP | COM | 469814107 | 970 | 11,435 | SH | | SOLE | | 0 | 0 | 11,435 |
JOHNSON & JOHNSON | COM | 478160104 | 63,139 | 448,976 | SH | | SOLE | | 96,505 | 0 | 352,471 |
JPMORGAN CHASE & CO | COM | 46625h100 | 1,693 | 18,000 | SH | | SOLE | | 0 | 0 | 18,000 |
KEY CORP. | COM | 493267108 | 594 | 48,777 | SH | | SOLE | | 0 | 0 | 48,777 |
KIMBERLY CLARK CORP | COM | 494368103 | 710 | 5,026 | SH | | SOLE | | 1,553 | 0 | 3,473 |
LAM RESEARCH CORP | COM | 512807108 | 368 | 1,139 | SH | | SOLE | | 0 | 0 | 1,139 |
LOCKHEED MARTIN CORP | COM | 539830109 | 389 | 1,066 | SH | | SOLE | | 0 | 0 | 1,066 |
LOWES COMPANIES INC | COM | 548661107 | 50,948 | 377,058 | SH | | SOLE | | 95,895 | 0 | 281,163 |
MARKEL CORP | COM | 570535104 | 708 | 767 | SH | | SOLE | | 0 | 0 | 767 |
MARRIOTT INTL INC NEW CL. A | COM | 571903202 | 358 | 4,175 | SH | | SOLE | | 0 | 0 | 4,175 |
MASTERCARD INC. | COM | 57636q104 | 261 | 882 | SH | | SOLE | | 0 | 0 | 882 |
MCCORMICK & CO | COM | 579780206 | 1,279 | 7,130 | SH | | SOLE | | 0 | 0 | 7,130 |
MCDONALDS CORP | COM | 580135101 | 1,548 | 8,391 | SH | | SOLE | | 0 | 0 | 8,391 |
MEDTRONIC INC | COM | g5960l103 | 26,338 | 287,221 | SH | | SOLE | | 81,570 | 0 | 205,651 |
MERCK & CO INC NEW | COM | 58933y105 | 736 | 9,521 | SH | | SOLE | | 0 | 0 | 9,521 |
MICROSOFT CORP | COM | 594918104 | 87,587 | 430,383 | SH | | SOLE | | 94,800 | 0 | 335,583 |
MIND C T I LTD | COM | m70240102 | 162 | 77,287 | SH | | SOLE | | 0 | 0 | 77,287 |
MONDELEZ INTL INC COM | COM | 609207105 | 46,009 | 899,852 | SH | | SOLE | | 228,445 | 0 | 671,407 |
MORNINGSTAR INC. | COM | 617700109 | 631 | 4,480 | SH | | SOLE | | 0 | 0 | 4,480 |
NEXTERA ENERGY INC. | COM | 65339f101 | 391 | 1,628 | SH | | SOLE | | 0 | 0 | 1,628 |
NORFOLK SOUTHERN CORP | COM | 655844108 | 3,342 | 19,036 | SH | | SOLE | | 0 | 0 | 19,036 |
NOVARTIS AG | COM | 66987v109 | 213 | 2,439 | SH | | SOLE | | 0 | 0 | 2,439 |
NVIDIA CORP. | COM | 67066g104 | 388 | 1,022 | SH | | SOLE | | 0 | 0 | 1,022 |
O REILLY AUTOMOTIVE, INC | COM | 67103h107 | 1,654 | 3,922 | SH | | SOLE | | 0 | 0 | 3,922 |
ORACLE CORP COM | COM | 68389x105 | 299 | 5,415 | SH | | SOLE | | 0 | 0 | 5,415 |
OTIS WORLDWIDE CORPORATION | COM | 68902v107 | 10,854 | 190,891 | SH | | SOLE | | 44,327 | 0 | 146,564 |
PALO ALTO NETWORKS | COM | 697435105 | 230 | 1,000 | SH | | SOLE | | 0 | 0 | 1,000 |
PAYPAL HOLDINGS INC | COM | 70450y103 | 235 | 1,346 | SH | | SOLE | | 0 | 0 | 1,346 |
PEPSICO INCORPORATED | COM | 713448108 | 39,622 | 299,574 | SH | | SOLE | | 75,135 | 0 | 224,439 |
PFIZER INC | COM | 717081103 | 3,100 | 94,808 | SH | | SOLE | | 0 | 0 | 94,808 |
PINTEREST INC CLASS A | COM | 72352L106 | 222 | 10,000 | SH | | SOLE | | 0 | 0 | 10,000 |
PNC FINANCIAL SERVICES GROUP | COM | 693475105 | 25,941 | 246,568 | SH | | SOLE | | 69,270 | 0 | 177,298 |
PROCTER & GAMBLE CO | COM | 742718109 | 47,561 | 397,765 | SH | | SOLE | | 104,205 | 0 | 293,560 |
RAYTHEON TECHNOLOGIES CORPORAT | COM | 75513e101 | 23,641 | 383,656 | SH | | SOLE | | 88,650 | 0 | 295,006 |
ROSS STORES INC | COM | 778296103 | 17,812 | 208,967 | SH | | SOLE | | 57,415 | 0 | 151,552 |
S&P 500 I-SHARES | COM | 464287200 | 252 | 814 | SH | | SOLE | | 0 | 0 | 814 |
SANDY SPRING BANCORP, INC. | COM | 800363103 | 285 | 11,497 | SH | | SOLE | | 0 | 0 | 11,497 |
SHOPIFY INC FCLASS A | COM | 82509l107 | 475 | 500 | SH | | SOLE | | 0 | 0 | 500 |
SIRIUS SATELLITE RADIO | COM | 82968b103 | 117 | 20,000 | SH | | SOLE | | 0 | 0 | 20,000 |
SOUTHERN CO | COM | 842587107 | 296 | 5,713 | SH | | SOLE | | 0 | 0 | 5,713 |
SPDR TRUST SERIES I | COM | 78462f103 | 17,672 | 57,309 | SH | | SOLE | | 0 | 0 | 57,309 |
SPIRIT AEROSYSTEMS HOLDINGS IN | COM | 848574109 | 393 | 16,413 | SH | | SOLE | | 0 | 0 | 16,413 |
SQUARE INC CLASS A | COM | 852234103 | 367 | 3,500 | SH | | SOLE | | 0 | 0 | 3,500 |
STARBUCKS CORP | COM | 855244109 | 39,078 | 531,024 | SH | | SOLE | | 143,425 | 0 | 387,599 |
STREETTRACKS GOLD TRUST | COM | 78463v107 | 1,254 | 7,493 | SH | | SOLE | | 0 | 0 | 7,493 |
STRYKER CORP | COM | 863667101 | 30,110 | 167,103 | SH | | SOLE | | 45,980 | 0 | 121,123 |
SYNALLOY CORP. | COM | 871565107 | 744 | 99,523 | SH | | SOLE | | 0 | 0 | 99,523 |
SYSCO CORP COM | COM | 871829107 | 2,216 | 40,549 | SH | | SOLE | | 0 | 0 | 40,549 |
TARGET CORP | COM | 87612e106 | 203 | 1,689 | SH | | SOLE | | 0 | 0 | 1,689 |
THE TRADE DESK INC CLASS A | COM | 88339j105 | 346 | 850 | SH | | SOLE | | 0 | 0 | 850 |
TRACTOR SUPPLY COMPANY | COM | 892356106 | 1,409 | 10,694 | SH | | SOLE | | 0 | 0 | 10,694 |
TRIMBLE NAV LTD. | COM | 896239100 | 910 | 21,077 | SH | | SOLE | | 0 | 0 | 21,077 |
TRUIST FINL CORP | COM | 89832q109 | 27,455 | 731,168 | SH | | SOLE | | 191,655 | 0 | 539,513 |
U.S. BANCORP. | COM | 902973304 | 1,810 | 49,165 | SH | | SOLE | | 0 | 0 | 49,165 |
ULTA SALON COSMETCS INC | COM | 90384s303 | 1,688 | 8,300 | SH | | SOLE | | 0 | 0 | 8,300 |
UNITED PARCEL SVC INC B | COM | 911312106 | 1,801 | 16,203 | SH | | SOLE | | 0 | 0 | 16,203 |
UNITED RENTALS INC | COM | 911363109 | 3,204 | 21,500 | SH | | SOLE | | 0 | 0 | 21,500 |
UNITEDHEALTH GROUP INC COM | COM | 91324p102 | 355 | 1,204 | SH | | SOLE | | 0 | 0 | 1,204 |
VALMONT INDUSTRIES INC | COM | 920253101 | 26,589 | 234,013 | SH | | SOLE | | 63,885 | 0 | 170,128 |
VANGUARD INDEX FDS VANGUARD GR | COM | 922908736 | 217 | 1,072 | SH | | SOLE | | 0 | 0 | 1,072 |
VANGUARD INTERM TERM BOND ETF | COM | 921937819 | 342 | 3,668 | SH | | SOLE | | 0 | 0 | 3,668 |
VANGUARD MID CAP ETF | COM | 922908629 | 332 | 2,027 | SH | | SOLE | | 0 | 0 | 2,027 |
VANGUARD REIT ETF | COM | 922908553 | 497 | 6,333 | SH | | SOLE | | 0 | 0 | 6,333 |
VANGUARD TOTAL STOCK MARKET ET | COM | 922908769 | 424 | 2,707 | SH | | SOLE | | 0 | 0 | 2,707 |
VERIZON COMMUNICATIONS | COM | 92343v104 | 7,895 | 143,205 | SH | | SOLE | | 0 | 0 | 143,205 |
VISA INC. | COM | 92826c839 | 357 | 1,848 | SH | | SOLE | | 0 | 0 | 1,848 |
WAL-MART STORES INC | COM | 931142103 | 1,495 | 12,482 | SH | | SOLE | | 200 | 0 | 12,282 |
WASHINGTON REAL ESTATE | COM | 939653101 | 1,482 | 66,773 | SH | | SOLE | | 0 | 0 | 66,773 |
WATERS CORP | COM | 941848103 | 814 | 4,515 | SH | | SOLE | | 0 | 0 | 4,515 |
WESTERN DIGITAL CORP | COM | 958102105 | 265 | 6,000 | SH | | SOLE | | 0 | 0 | 6,000 |
WEYERHAEUSER CO. | COM | 962166104 | 1,375 | 61,209 | SH | | SOLE | | 0 | 0 | 61,209 |
WILLIS TOWERS WATSON PUBLIC LT | COM | g96629103 | 829 | 4,210 | SH | | SOLE | | 0 | 0 | 4,210 |
WISCONSIN ENERGY CORP. | COM | 92939u106 | 350 | 3,996 | SH | | SOLE | | 0 | 0 | 3,996 |
ISHARES BARCLAYS TREAS INFLATI | COM | 464287176 | 428 | 3,478 | SH | | SOLE | | 0 | 0 | 3,478 |
ISHARES CORE U.S. AGGREGATE BO | COM | 464287226 | 6,380 | 53,970 | SH | | SOLE | | 0 | 0 | 53,970 |
ISHARES TR 1-3 YR TREASURY IND | COM | 464287457 | 1,881 | 21,717 | SH | | SOLE | | 0 | 0 | 21,717 |