3M COMPANY COM 88579y101 4214 19195 SH SOLE 0 0 19195 ABBOTT LABORATORIES COM 002824100 42792 714148 SH SOLE 193935 0 520213 ABBVIE INC COM 00287y109 961 10155 SH SOLE 0 0 10155 ACCENTURE PLC CL A COM g1151c101 41666 271442 SH SOLE 71175 0 200267 ALCAN ALUMINIUM LTD. COM 00912x302 294 6900 SH SOLE 0 0 6900 ALPHABET INC CLASS A COM 02079k305 30110 29032 SH SOLE 7465 0 21567 ALPHABET INC CLASS C COM 02079k107 10193 9879 SH SOLE 3320 0 6559 AMAZON.COM COM 023135106 1388 959 SH SOLE 0 0 959 AMGEN INC COM COM 031162100 339 1990 SH SOLE 0 0 1990 ANSYS, INC. COM 03662q105 586 3741 SH SOLE 0 0 3741 APPLE INC COM 037833100 7097 42299 SH SOLE 0 0 42299 APPLIED MATERIALS INC. COM 038222105 353 6345 SH SOLE 0 0 6345 AT&T CORP COM 00206r102 1729 48503 SH SOLE 0 0 48503 AUTOZONE INC COM 053332102 217 335 SH SOLE 0 0 335 AVALON BAY CMNTYS INC COM 053484101 267 1625 SH SOLE 0 0 1625 BASF SE NPV COM d06216317 284 2800 SH SOLE 0 0 2800 BAYER AG COM d0712d163 227 2000 SH SOLE 0 0 2000 BB&T CORP COM 054937107 25043 481235 SH SOLE 117775 0 363460 BECTON DICKINSON & CO COM 075887109 22406 103395 SH SOLE 27010 0 76385 BERKSHIRE HATHAWAY CL. A COM 084670108 598 2 SH SOLE 0 0 2 BERKSHIRE HATHAWAY CL. B COM 084670702 2509 12576 SH SOLE 1380 0 11196 BIO-RAD LABORATORIES INC COM 090572207 445 1781 SH SOLE 0 0 1781 BOEING CO COM 097023105 1889 5762 SH SOLE 0 0 5762 BOSTON PROPERTIES INC COM 101121101 241 1955 SH SOLE 0 0 1955 BP AMOCO PLC SPONSORED ADR COM 055622104 256 6321 SH SOLE 0 0 6321 BRANDYWINE RLTY TR SH BEN INT COM 105368203 1536 96711 SH SOLE 0 0 96711 BRISTOL MYERS SQUIBB COM 110122108 24110 381188 SH SOLE 88680 0 292508 BROADRIDGE FINANCIAL SOLUTIONS COM 11133t103 219 2000 SH SOLE 0 0 2000 BURKE & HERBERT BANK & TRUST COM 121331102 2266 824 SH SOLE 0 0 824 CATERPILLAR INC COM 149123101 346 2346 SH SOLE 0 0 2346 CENTERPOINT ENERGY INC COM 15189t107 274 10000 SH SOLE 0 0 10000 CHARTER COMMUNICATIONS COM 16119p108 401 1287 SH SOLE 0 0 1287 CHECK POINT SOFTWARE COM m22465104 298 3000 SH SOLE 0 0 3000 CHEVRON CORPORATION COM 166764100 25638 224816 SH SOLE 57485 0 167331 CHINA ORIENTAL GROUP COM g2108v101 7 10000 SH SOLE 0 0 10000 CHURCH & DWIGHT CO INC COM 171340102 483 9585 SH SOLE 0 0 9585 CISCO SYSTEMS INC COM 17275r102 611 14247 SH SOLE 0 0 14247 COCA COLA CO COM 191216100 3167 72933 SH SOLE 0 0 72933 COGNIZANT TECH SOLUTIONS CORP COM 192446102 31878 396000 SH SOLE 105210 0 290790 COLGATE PALMOLIVE CO. COM 194162103 23790 331892 SH SOLE 0 0 331892 COMCAST CORP CL A COM 20030n101 468 13700 SH SOLE 0 0 13700 COMERICA COM 200340107 510 5317 SH SOLE 0 0 5317 COMPASS MINERALS INT COM 20451n101 246 4087 SH SOLE 0 0 4087 CONSOLIDATED EDISON INC COM 209115104 446 5718 SH SOLE 0 0 5718 CONSTELLATION BRANDS INC. A COM 21036p108 595 2610 SH SOLE 0 0 2610 CVS HEALTH CORP COM 126650100 26944 433114 SH SOLE 109010 0 324104 DANAHER CORP COM 235851102 25028 255628 SH SOLE 69385 0 186243 DISNEY (WALT) CO. COM 254687106 19421 193360 SH SOLE 51500 0 141860 DOMINION RESOURCES INC COM 25746u109 337 4995 SH SOLE 0 0 4995 DONALDSON COMPANY INC COM 257651109 24866 551974 SH SOLE 165260 0 386714 DOWDUPONT INC COM 26078j100 298 4684 SH SOLE 0 0 4684 DR PEPPER SNAPPLE GROUP INC CO COM 26138e109 2271 19183 SH SOLE 0 0 19183 DTE ENERGY HOLDING CO COM 233331107 209 2000 SH SOLE 0 0 2000 DUKE ENERGY CORP. COM 26441c204 523 6753 SH SOLE 0 0 6753 ENTERPRISE PRODUCTS PPTNS LP COM 293792107 612 25010 SH SOLE 0 0 25010 EPAM SYSTEMS INC COM 29414b104 535 4676 SH SOLE 0 0 4676 EQUIFAX INC. COM 294429105 507 4307 SH SOLE 0 0 4307 EXELON CORP. COM 30161n101 202 5190 SH SOLE 0 0 5190 EXXON MOBIL CORPORATION COM 30231g102 18483 247721 SH SOLE 51840 0 195881 FACEBOOK INC COM COM 30303m102 19796 123885 SH SOLE 32995 0 90890 FACTSET RESEARCH SYSTEMS INC. COM 303075105 458 2298 SH SOLE 0 0 2298 FEDERAL REALTY INVST TR SH BEN COM 313747206 266 2294 SH SOLE 0 0 2294 FEDEX CORPORATION COM 31428x106 36968 153961 SH SOLE 39305 0 114656 FORTIVE CORP COM 34959j108 9922 127998 SH SOLE 34692 0 93306 FVCBANKCORP INC COM 36120q101 306 17577 SH SOLE 0 0 17577 GARTNER INC COM 366651107 603 5125 SH SOLE 0 0 5125 GENERAL ELEC CO COM COM 369604103 379 28094 SH SOLE 3250 0 24844 GENERAL MILLS INC. COM 370334104 337 7486 SH SOLE 0 0 7486 GENTEX CORP COM 371901109 535 23222 SH SOLE 0 0 23222 GEOPETRO RESOURCES COMPANY COM 37248h304 0 10000 SH SOLE 0 0 10000 GLOBUS MEDICAL INC COM 379577208 727 14590 SH SOLE 0 0 14590 GOLDMAN SACHS GROUP INC COM 38141g104 38307 152097 SH SOLE 44530 0 107567 HALOZYME THERAPEUTICS INC COM 40637h109 851 43417 SH SOLE 0 0 43417 HASBRO INC COM 418056107 250 2964 SH SOLE 0 0 2964 HELMERICH & PAYNE COM 423452101 210 3152 SH SOLE 0 0 3152 HONEYWELL INTL INC COM 438516106 240 1662 SH SOLE 1000 0 662 HUNTINGTON BANCSHARES INC COM 446150104 455 30136 SH SOLE 0 0 30136 ILLUMINA INC COM 452327109 828 3502 SH SOLE 0 0 3502 INTEL CORP COM 458140100 4141 79520 SH SOLE 0 0 79520 INTL BUSINESS MACH COM 459200101 2834 18470 SH SOLE 0 0 18470 INTREXON CORP COM 46122t102 982 64086 SH SOLE 0 0 64086 ISHARES CORE CORE MSCI EAFE COM 46432f842 5862 88975 SH SOLE 0 0 88975 ISHARES CORE MSCI EMERGING MAR COM 46434g103 1486 25452 SH SOLE 0 0 25452 ISHARES MSCI EAFE INDEX FUND COM 464287465 1629 23380 SH SOLE 0 0 23380 ISHARES S&P 500 VALUE ETF COM 464287408 3767 34449 SH SOLE 0 0 34449 ISHARES TR RUSSELL 1000 GROWTH COM 464287614 217 1593 SH SOLE 0 0 1593 ISHARES TR RUSSELL 2000 GROWTH COM 464287648 560 2936 SH SOLE 0 0 2936 ISHARES TR S&P 500/ GROWTH IND COM 464287309 3620 23344 SH SOLE 0 0 23344 ISHARES TR S&P MIDCAP 400 INDE COM 464287507 1522 8113 SH SOLE 0 0 8113 ISHARES TR S&P SMALLCAP 600 IN COM 464287804 898 11666 SH SOLE 0 0 11666 JACOBS ENGINEERING GROUP COM 469814107 474 8015 SH SOLE 0 0 8015 JOHNSON & JOHNSON COM 478160104 39668 309544 SH SOLE 74725 0 234819 JPMORGAN CHASE & CO COM 46625h100 33094 300934 SH SOLE 71410 0 229524 JPMORGAN CHASE & CO ALERIAN ML COM 46625h365 240 10000 SH SOLE 0 0 10000 KEY CORP. COM 493267108 530 27130 SH SOLE 0 0 27130 KIMBERLY CLARK CORP COM 494368103 689 6261 SH SOLE 1925 0 4336 LOCKHEED MARTIN CORP COM 539830109 353 1046 SH SOLE 0 0 1046 LOWES COMPANIES INC COM 548661107 33817 385374 SH SOLE 96580 0 288794 MAGELLAN MIDSTREAM PARTNERS LP COM 559080106 244 4190 SH SOLE 0 0 4190 MARKEL CORP COM 570535104 686 586 SH SOLE 0 0 586 MARRIOTT INTL INC NEW CL. A COM 571903202 971 7141 SH SOLE 0 0 7141 MCCORMICK & CO COM 579780206 541 5088 SH SOLE 0 0 5088 MCDONALDS CORP COM 580135101 3720 23789 SH SOLE 0 0 23789 MEDTRONIC INC COM g5960l103 23858 297405 SH SOLE 82080 0 215325 MERCK & CO INC NEW COM 58933y105 702 12894 SH SOLE 0 0 12894 MICROSOFT CORP COM 594918104 46797 512727 SH SOLE 123975 0 388752 MORNINGSTAR INC. COM 617700109 319 3341 SH SOLE 0 0 3341 NEW YORK COMMUNITY BANCORP. COM 649445103 143 10988 SH SOLE 0 0 10988 NEXTERA ENERGY INC. COM 65339f101 324 1986 SH SOLE 0 0 1986 NORFOLK SOUTHERN CORP COM 655844108 3089 22750 SH SOLE 0 0 22750 NORTHERN TRUST COMPANY COM 665859104 218 2110 SH SOLE 2110 0 0 O REILLY AUTOMOTIVE INC COM 67103h107 1051 4249 SH SOLE 0 0 4249 ORACLE CORP COM COM 68389x105 390 8530 SH SOLE 0 0 8530 PATTERSON COMPANIES INC COM 703395103 272 12217 SH SOLE 0 0 12217 PEPSICO INCORPORATED COM 713448108 27825 254928 SH SOLE 68380 0 186548 PFIZER INC COM 717081103 3199 90131 SH SOLE 0 0 90131 PHILIP MORRIS INTL INC. COM 718172109 388 3906 SH SOLE 0 0 3906 PHILLIPS 66 PARTNERS LP COM 718549207 229 4800 SH SOLE 0 0 4800 PNC FINANCIAL SERVICES GROUP COM 693475105 37690 249209 SH SOLE 69760 0 179449 PROCTER & GAMBLE CO COM 742718109 33096 417453 SH SOLE 104810 0 312643 ROCKWELL COLLINS INC COM 774341101 230 1707 SH SOLE 0 0 1707 ROSS STORES INC COM 778296103 22781 292140 SH SOLE 81900 0 210240 S&P 500 I-SHARES COM 464287200 333 1255 SH SOLE 0 0 1255 SCHLUMBERGER LTD COM 806857108 18681 288383 SH SOLE 76720 0 211663 SPDR TRUST SERIES I COM 78462f103 9608 36513 SH SOLE 0 0 36513 SPIRIT AEROSYSTEMS HOLDINGS IN COM 848574109 459 5480 SH SOLE 0 0 5480 SPROUTS FARMERS MARKET INC COM 85208m102 20778 885315 SH SOLE 242245 0 643070 STARBUCKS CORP COM 855244109 18212 314599 SH SOLE 79805 0 234794 STATE STREET CORP COM 857477103 587 5881 SH SOLE 0 0 5881 STERICYCLE INC COM 858912108 282 4816 SH SOLE 0 0 4816 STRYKER CORP COM 863667101 35132 218322 SH SOLE 59120 0 159202 SYNALLOY CORP. COM 871565107 1454 99568 SH SOLE 0 0 99568 SYSCO CORP COM COM 871829107 2828 47157 SH SOLE 0 0 47157 TEXAS INSTRUMENTS, INC COM 882508104 779 7500 SH SOLE 0 0 7500 TRACTOR SUPPLY COMPANY COM 892356106 475 7530 SH SOLE 0 0 7530 TRIMBLE NAV LTD. COM 896239100 528 14710 SH SOLE 0 0 14710 U.S. BANCORP. COM 902973304 2454 48600 SH SOLE 0 0 48600 UNITED PARCEL SVC INC B COM 911312106 1608 15361 SH SOLE 0 0 15361 UNITED TECHNOLOGIES CORP COM 913017109 27369 217525 SH SOLE 58605 0 158920 VALMONT INDUSTRIES INC COM 920253101 22080 150920 SH SOLE 41025 0 109895 VANGUARD EMERGING MARKETS ETF COM 922042858 1903 40509 SH SOLE 0 0 40509 VANGUARD INDUSTRIALS ETF COM 92204a603 231 1657 SH SOLE 0 0 1657 VANGUARD INTERM TERM BOND ETF COM 921937819 245 3000 SH SOLE 0 0 3000 VANGUARD MID CAP ETF COM 922908629 400 2592 SH SOLE 0 0 2592 VANGUARD REIT ETF COM 922908553 622 8237 SH SOLE 0 0 8237 VERIZON COMMUNICATIONS COM 92343v104 3014 63019 SH SOLE 0 0 63019 WAL-MART STORES INC COM 931142103 2555 28720 SH SOLE 200 0 28520 WASHINGTON GAS LIGHT CO COM 92924f106 235 2813 SH SOLE 0 0 2813 WASHINGTON REAL ESTATE COM 939653101 1813 66405 SH SOLE 0 0 66405 WATERS CORP COM 941848103 630 3173 SH SOLE 0 0 3173 WEYERHAEUSER CO. COM 962166104 2002 57195 SH SOLE 0 0 57195 WILLIS TOWERS WATSON PUBLIC LT COM g96629103 462 3037 SH SOLE 0 0 3037 ISHARES BARCLAYS AGGREGATE BON COM 464287226 5525 51518 SH SOLE 0 0 51518 ISHARES BARCLAYS TREAS INFLATI COM 464287176 393 3478 SH SOLE 0 0 3478 ISHARES TR 1-3 YR TREASURY IND COM 464287457 1245 14903 SH SOLE 0 0 14903