The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
3M CO. COM 88579Y101   2,164,000 18,045 SH   SOLE   0 0 18,045
ABBOTT LABORATORIES COM 002824100   10,616,000 95,622 SH   SOLE   0 0 95,622
ABBVIE INC COM 00287Y109   3,454,000 21,375 SH   SOLE   0 0 21,375
ADOBE SYSTEMS INCORPORATED COM 00724F101   5,099,000 14,867 SH   SOLE   0 0 14,867
AFLAC INCORPORATED COM 001055102   245,000 3,400 SH   SOLE   0 0 3,400
AIR PRODUCTS & CHEMICALS COM 009158106   422,000 1,368 SH   SOLE   0 0 1,368
ALLSTATE CORPORATION COM 020002101   710,000 5,237 SH   SOLE   0 0 5,237
ALPHABET INC NON-VOTING CL C COM 02079K107   11,765,000 129,737 SH   SOLE   0 0 129,737
ALPHABET INC VOTING CL A COM 02079K305   907,000 10,280 SH   SOLE   0 0 10,280
ALTRIA GROUP COM 02209S103   354,000 7,750 SH   SOLE   0 0 7,750
AMAZON.COM INC COM 023135106   8,939,000 105,677 SH   SOLE   0 0 105,677
AMERICAN ELECTRIC POWER COM 025537101   442,000 4,658 SH   SOLE   0 0 4,658
AMERICAN EXPRESS INC COM 025816109   4,144,000 27,107 SH   SOLE   0 0 27,107
AMGEN INC COM 031162100   1,299,000 4,946 SH   SOLE   0 0 4,946
APPLE INC COM 037833100   22,829,000 174,535 SH   SOLE   0 0 174,535
ARCHER DANIELS MIDLAND CO COM 039483102   1,417,000 15,266 SH   SOLE   0 0 15,266
AT&T CORP NEW COM 00206R102   681,000 36,965 SH   SOLE   0 0 36,965
ATMOS ENERGY CORP COM 049560105   2,803,000 24,493 SH   SOLE   0 0 24,493
BANK OF AMERICA COM 060505104   1,637,000 49,424 SH   SOLE   0 0 49,424
BANK OF NEW YORK MELLON CORP COM 064058100   619,000 13,596 SH   SOLE   0 0 13,596
BECTON DICKINSON COM 075887109   11,426,000 44,464 SH   SOLE   0 0 44,464
BERKSHIRE HATHAWAY INC DEL CLA COM 084670108   3,750,000 8 SH   SOLE   0 0 8
BERKSHIRE HATHAWAY INC DEL CLA COM 084670702   1,191,000 3,855 SH   SOLE   0 0 3,855
BOEING COM 097023105   1,838,000 9,648 SH   SOLE   0 0 9,648
BP PLC SPONS ADR COM 055622104   240,000 6,876 SH   SOLE   0 0 6,876
BRISTOL-MYERS SQUIBB COMPANY COM 110122108   1,360,000 18,898 SH   SOLE   0 0 18,898
C S X CORPORATION COM 126408103   872,000 28,151 SH   SOLE   0 0 28,151
CABLE ONE INC COM 12685J105   223,000 313 SH   SOLE   0 0 313
CARRIER GLOBAL COM 14448C104   493,000 11,960 SH   SOLE   0 0 11,960
CATERPILLAR INCORPORATED COM 149123101   8,873,000 36,471 SH   SOLE   0 0 36,471
CHEMOURS CO COM 163851108   22,112,000 722,140 SH   SOLE   0 0 722,140
CHESAPEAKE UTIL CO COM 165303108   204,000 1,725 SH   SOLE   0 0 1,725
CHEVRON CORP COM 166764100   9,458,000 51,441 SH   SOLE   0 0 51,441
CHURCH & DWIGHT CO INC COM 171340102   12,046,000 148,054 SH   SOLE   0 0 148,054
CIGNA CORP COM 125509109   221,000 668 SH   SOLE   0 0 668
CINTAS CORP COM 172908105   257,000 570 SH   SOLE   0 0 570
CISCO SYSTEMS INC COM 17275R102   7,112,000 143,709 SH   SOLE   0 0 143,709
COCA-COLA COMPANY COM 191216100   2,710,000 42,597 SH   SOLE   0 0 42,597
COLGATE-PALMOLIVE COMPANY COM 194162103   437,000 5,552 SH   SOLE   0 0 5,552
COMCAST CORP NEW CL A COM 20030N101   278,000 7,945 SH   SOLE   0 0 7,945
CONOCOPHILLIPS COM 20825C104   888,000 7,528 SH   SOLE   0 0 7,528
CORNING INC. COM 219350105   754,000 23,600 SH   SOLE   0 0 23,600
CORTEVA INC COM 22052L104   69,585,000 1,183,823 SH   SOLE   0 0 1,183,823
CVS CAREMARK CORPORATION COM 126650100   1,101,000 11,813 SH   SOLE   0 0 11,813
DANAHER CORP COM 235851102   987,000 3,720 SH   SOLE   0 0 3,720
DEERE AND CO. COM 244199105   665,000 1,550 SH   SOLE   0 0 1,550
DENTSPLY SIRONA INC COM 24906P109   747,000 23,460 SH   SOLE   0 0 23,460
DISCOVER FINANCIAL SERVICES COM 254709108   304,000 3,111 SH   SOLE   0 0 3,111
DNP SELECT INCOME FUND INC COM 23325P104   171,000 15,200 SH   SOLE   0 0 15,200
DOMINION RESOURCES INC OF VA COM 25746U109   3,166,000 50,989 SH   SOLE   0 0 50,989
DOVER CORPORATION COM 260003108   370,000 2,735 SH   SOLE   0 0 2,735
DOW CHEMICAL COMPANY (THE) COM 260557103   61,462,000 1,219,721 SH   SOLE   0 0 1,219,721
DTE ENERGY COM 233331107   400,000 3,404 SH   SOLE   0 0 3,404
DU PONT (E.I.) DE NEMOURS & CO COM 263534109   70,568,000 1,028,231 SH   SOLE   0 0 1,028,231
DUKE ENERGY CORP COM 26441C204   1,561,000 14,625 SH   SOLE   0 0 14,625
ELEVANCE HEALTH INC COM 036752103   215,000 419 SH   SOLE   0 0 419
ELI LILLY & CO COM 532457108   1,947,000 5,322 SH   SOLE   0 0 5,322
ELME COMMUNITIES COM 939653101   1,000,000 56,490 SH   SOLE   0 0 56,490
EMERSON ELECTRIC CO. COM 291011104   1,419,000 14,776 SH   SOLE   0 0 14,776
ENBRIDGE INC. COM 29250N105   982,000 25,109 SH   SOLE   0 0 25,109
ESSENTIAL UTILITIES INC COM 29670G102   8,247,000 171,732 SH   SOLE   0 0 171,732
EXELON CORP COM 30161N101   292,000 6,760 SH   SOLE   0 0 6,760
EXXON MOBIL CORPORATION COM 30231G102   12,831,000 116,327 SH   SOLE   0 0 116,327
FEDERAL REALTY INV TR S B I COM 313745101   857,000 8,479 SH   SOLE   0 0 8,479
FEDEX CORP COM 31428X106   4,657,000 26,886 SH   SOLE   0 0 26,886
FISERV INC COM 337738108   312,000 3,090 SH   SOLE   0 0 3,090
FNB CORP COM 302520101   194,000 15,390 SH   SOLE   0 0 15,390
FRANKLIN RESOURCES INC COM 354613101   573,000 21,720 SH   SOLE   0 0 21,720
GENERAL ELECTRIC COMPANY COM 369604301   1,141,000 13,622 SH   SOLE   0 0 13,622
GENERAL MILLS INC COM 370334104   1,209,000 14,423 SH   SOLE   0 0 14,423
GLOBALSTAR INC COM 378973408   20,000 15,000 SH   SOLE   0 0 15,000
GRAHAM HOLDINGS CO. COM 384637104   209,000 346 SH   SOLE   0 0 346
HARLEY DAVIDSON INC COM 412822108   223,000 5,362 SH   SOLE   0 0 5,362
HEALTH PEAK PROPERTIES INC COM 42250P103   207,000 8,274 SH   SOLE   0 0 8,274
HERSHEY COMPANY COM 427866108   2,834,000 12,237 SH   SOLE   0 0 12,237
HOME DEPOT COM 437076102   1,831,000 5,798 SH   SOLE   0 0 5,798
HONEYWELL INTERNATIONAL INC COM 438516106   5,992,000 27,472 SH   SOLE   0 0 27,472
HP INC COM 40434L105   210,000 7,819 SH   SOLE   0 0 7,819
ILLINOIS TOOL WORKS INC. COM 452308109   13,204,000 59,548 SH   SOLE   0 0 59,548
INTEL CORP COM COM 458140100   3,519,000 127,956 SH   SOLE   0 0 127,956
INTERNATIONAL BUSINESS MACHINE COM 459200101   2,058,000 14,609 SH   SOLE   0 0 14,609
INTERNATIONAL FLAVORS & FRAGRA COM 459506101   14,676,000 139,978 SH   SOLE   0 0 139,978
INTUIT INC COM 461202103   1,401,000 3,600 SH   SOLE   0 0 3,600
ISHARES MSCI EAFE INDEX COM 464287465   223,000 3,390 SH   SOLE   0 0 3,390
ISHARES NASDAQ BIOTECH INDEX COM 464287556   8,820,000 66,840 SH   SOLE   0 0 66,840
ISHARES RUSSELL 2000 IDX COM 464287655   5,082,000 29,149 SH   SOLE   0 0 29,149
ISHARES RUSSELL MIDCAP INDEX COM 464287499   7,535,000 111,705 SH   SOLE   0 0 111,705
JOHNSON & JOHNSON COM 478160104   19,345,000 108,749 SH   SOLE   0 0 108,749
JPMORGAN CHASE & CO. COM 46625H100   13,335,000 98,553 SH   SOLE   0 0 98,553
KELLOGG COMPANY COM 487836108   2,676,000 37,561 SH   SOLE   0 0 37,561
KIMBERLY-CLARK CORP COM 494368103   2,543,000 18,736 SH   SOLE   0 0 18,736
KIMCO REALTY CORP REIT COM 49446R109   1,266,000 59,783 SH   SOLE   0 0 59,783
KRAFT HEINZ CO COM 500754106   210,000 5,165 SH   SOLE   0 0 5,165
LABORATORY CORP OF AMERICA COM 50540R409   1,727,000 7,047 SH   SOLE   0 0 7,047
LINDE PLC COM G5494J103   434,000 1,330 SH   SOLE   0 0 1,330
LOCKHEED MARTIN COM 539830109   1,055,000 2,169 SH   SOLE   0 0 2,169
LOWES COS COM 548661107   18,013,000 89,751 SH   SOLE   0 0 89,751
M & T BANK CORP COM 55261F104   1,966,000 13,550 SH   SOLE   0 0 13,550
MANPOWER INC WISCONSIN COM 56418H100   393,000 4,724 SH   SOLE   0 0 4,724
MARRIOTT INTERNATIONAL, NEW IN COM 571903202   9,417,000 62,407 SH   SOLE   0 0 62,407
MARRIOTT VACATIONS WORLDWIDE C COM 57164Y107   239,000 1,775 SH   SOLE   0 0 1,775
MC DONALD'S CORPORATION COM 580135101   15,057,000 56,626 SH   SOLE   0 0 56,626
MEDTRONIC INC COM G5960L103   435,000 5,600 SH   SOLE   0 0 5,600
MERCK & COMPANY INCORPORATED N COM 58933Y105   10,452,000 92,730 SH   SOLE   0 0 92,730
MICROSOFT CORPORATION COM 594918104   27,768,000 115,188 SH   SOLE   0 0 115,188
MONDELEZ INTL INC COM 609207105   577,000 8,661 SH   SOLE   0 0 8,661
MORGAN STANLEY & CO COM 617446448   750,000 8,820 SH   SOLE   0 0 8,820
MOTOROLA SOLUTIONS, INC COM 620076307   1,290,000 5,004 SH   SOLE   0 0 5,004
NATIONAL FUEL GAS CO COM 636180101   270,000 4,268 SH   SOLE   0 0 4,268
NESTLE SA REG ADR COM 641069406   290,000 2,518 SH   SOLE   0 0 2,518
NEXTERA ENERGY COM 65339F101   8,980,000 106,772 SH   SOLE   0 0 106,772
NIKE INC CLASS B COM 654106103   221,000 1,893 SH   SOLE   0 0 1,893
NORFOLK SOUTHERN CORP COM 655844108   377,000 1,531 SH   SOLE   0 0 1,531
NORTHERN TRUST CORP COM 665859104   920,000 10,400 SH   SOLE   0 0 10,400
NORTHROP GRUMMAN CORP COM 666807102   543,000 995 SH   SOLE   0 0 995
NVIDIA CORP COM 67066G104   1,112,000 7,612 SH   SOLE   0 0 7,612
ORACLE CORP COM 68389X105   730,000 8,929 SH   SOLE   0 0 8,929
OTIS WORLDWIDE INC COM 68902V107   609,000 7,781 SH   SOLE   0 0 7,781
PARTNERS BANCORP COM 70213Q108   146,000 16,476 SH   SOLE   0 0 16,476
PEPSICO INCORPORATED COM 713448108   17,380,000 95,397 SH   SOLE   0 0 95,397
PFIZER INCORPORATED COM 717081103   2,005,000 39,132 SH   SOLE   0 0 39,132
PHILIP MORRIS INTERNATIONAL COM 718172109   517,000 5,110 SH   SOLE   0 0 5,110
PHILLIPS 66 COM 718546104   242,000 2,325 SH   SOLE   0 0 2,325
PIONEER NAT RES CO COM 723787107   251,000 1,100 SH   SOLE   0 0 1,100
PNC FINANCIAL SERVICES GROUP COM 693475105   846,000 5,355 SH   SOLE   0 0 5,355
POWERSHARES QQQ TR ETF SERIES COM 73935A104   1,674,000 6,286 SH   SOLE   0 0 6,286
PROCTER & GAMBLE COMPANY COM 742718109   19,649,000 128,765 SH   SOLE   0 0 128,765
PUBLIC SERVICE ENTERPRISE GROU COM 744573106   297,000 4,840 SH   SOLE   0 0 4,840
RAYTHEON TECHNOLOGIES CORP COM 75513E101   8,834,000 86,518 SH   SOLE   0 0 86,518
SAUL CENTERS INC. COM 804395101   264,000 6,501 SH   SOLE   0 0 6,501
SELECT SECTOR SPDR TR UTILITIE COM 81369Y886   317,000 4,500 SH   SOLE   0 0 4,500
SHELL PLC ADR COM 780259305   231,000 4,054 SH   SOLE   0 0 4,054
SMUCKER J.M. CO COM 832696405   825,000 5,206 SH   SOLE   0 0 5,206
SOUTHERN COMPANY (THE) COM 842587107   3,317,000 46,443 SH   SOLE   0 0 46,443
SPDR S&P 500 ETF COM 78462F103   431,000 1,128 SH   SOLE   0 0 1,128
SYSCO CORPORATION COM 871829107   1,356,000 17,733 SH   SOLE   0 0 17,733
T ROWE PRICE GROUP INC. COM 74144T108   10,317,000 93,859 SH   SOLE   0 0 93,859
TARGET CORP COM 87612E106   812,000 5,445 SH   SOLE   0 0 5,445
TEXAS INSTRUMENTS COM 882508104   1,282,000 7,758 SH   SOLE   0 0 7,758
THE TJX COMPANIES COM 872540109   318,000 4,000 SH   SOLE   0 0 4,000
THE TRAVELERS COS INC COM 89417E109   739,000 3,939 SH   SOLE   0 0 3,939
THERMO FISHER SCIENTIFIC COM 883556102   601,000 1,091 SH   SOLE   0 0 1,091
TRUIST FINANCIAL CORP COM 89832Q109   476,000 11,071 SH   SOLE   0 0 11,071
UDR INC COM 902653104   758,000 19,571 SH   SOLE   0 0 19,571
UNILEVER PLC SPONS ADR COM 904767704   242,000 4,800 SH   SOLE   0 0 4,800
UNION PACIFIC CORP COM 907818108   6,679,000 31,753 SH   SOLE   0 0 31,753
UNITED HEALTHCARE CORP COM 91324P102   12,005,000 22,644 SH   SOLE   0 0 22,644
UNITED PARCEL SERVICE INC CL B COM 911312106   345,000 1,983 SH   SOLE   0 0 1,983
VANGUARD EMERGING MARKETS ETF COM 922042858   578,000 14,827 SH   SOLE   0 0 14,827
VANGUARD FTSE DEVELOPED MARKET COM 921943858   1,024,000 24,406 SH   SOLE   0 0 24,406
VANGUARD INFORMATION TECHNOLOG COM 92204A702   63,428,000 198,579 SH   SOLE   0 0 198,579
VANGUARD MID CAP ETF COM 922908629   7,295,000 35,277 SH   SOLE   0 0 35,277
VANGUARD REIT ETF COM 922908553   1,833,000 21,650 SH   SOLE   0 0 21,650
VANGUARD S&P ETF COM 922908363   861,000 2,450 SH   SOLE   0 0 2,450
VANGUARD SMALL CAP ETF COM 922908751   5,298,000 28,591 SH   SOLE   0 0 28,591
VANGUARD TOTAL STOCK MARKET COM 922908769   4,543,000 23,789 SH   SOLE   0 0 23,789
VERIZON COMMUNICATIONS COM 92343V104   3,043,000 77,241 SH   SOLE   0 0 77,241
VISA INC CLASS A COM 92826C839   11,833,000 56,319 SH   SOLE   0 0 56,319
VULCAN MATERIALS CO COM 929160109   437,000 2,498 SH   SOLE   0 0 2,498
WAL-MART STORES INC COM 931142103   1,476,000 10,412 SH   SOLE   0 0 10,412
WALGREENS BOOTS ALLIANCE, INC. COM 931427108   543,000 14,530 SH   SOLE   0 0 14,530
WALT DISNEY COMPANY COM 254687106   6,927,000 79,049 SH   SOLE   0 0 79,049
WASTE CONNECTIONS INC COM 94106B101   252,000 1,900 SH   SOLE   0 0 1,900
WASTE MANAGEMENT INC. COM 94106L109   202,000 1,288 SH   SOLE   0 0 1,288
WELLS FARGO & CO. NEW COM 949746101   4,405,000 102,993 SH   SOLE   0 0 102,993
WEYERHAEUSER CO COM 962166104   240,000 7,729 SH   SOLE   0 0 7,729
WHITE MOUNTAINS INS. COM G9618E107   281,000 199 SH   SOLE   0 0 199
YUM BRANDS INC COM 988498101   246,000 1,919 SH   SOLE   0 0 1,919
ZIMMER BIOMET HOLDINGS INC. COM 98956P102   212,000 1,665 SH   SOLE   0 0 1,665