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 (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
3M Company COM 88579y101 19,352 108,371 SH   SOLE   0 0 108,371
AFLAC Inc COM 001055102 13,178 189,342 SH   SOLE   0 0 189,342
AT&T Inc New COM 00206R102 7,884 185,380 SH   SOLE   0 0 185,380
Alphabet Inc. COM 02079K305 10,288 12,983 SH   SOLE   0 0 12,983
American Express Company COM 025816109 13,607 183,675 SH   SOLE   0 0 183,675
Amerigas Partners Limited Part COM 030975106 3,340 69,696 SH   SOLE   0 0 69,696
Apple Inc COM 037833100 16,891 145,836 SH   SOLE   0 0 145,836
Aqua America Inc COM 03836w103 451 15,004 SH   SOLE   0 0 15,004
Artesian Res Corp Cl A Class A COM 043113208 2,476 77,531 SH   SOLE   0 0 77,531
Automatic Data Processing COM 053015103 20,248 196,999 SH   SOLE   0 0 196,999
Berkshire Hathaway B New Class COM 084670702 1,184 7,263 SH   SOLE   0 0 7,263
Boeing Co COM 097023105 21,595 138,717 SH   SOLE   0 0 138,717
Bristol-Myers Squibb Co COM 110122108 550 9,418 SH   SOLE   0 0 9,418
CVS Health Corp. COM 126650100 10,380 131,548 SH   SOLE   0 0 131,548
Church & Dwight Co Inc COM 171340102 7,979 180,561 SH   SOLE   0 0 180,561
Cisco Systems Inc COM 17275R102 577 19,081 SH   SOLE   0 0 19,081
Colgate-Palmolive Co COM 194162103 11,727 179,208 SH   SOLE   0 0 179,208
ConocoPhillips COM 20825C104 4,681 93,349 SH   SOLE   0 0 93,349
Diageo Plc New Adr F 1 Adr Rep COM 25243Q205 11,978 115,244 SH   SOLE   0 0 115,244
Discover Financial Svcs COM 254709108 12,769 177,121 SH   SOLE   0 0 177,121
Dow Chemical Company COM 260543103 379 6,620 SH   SOLE   0 0 6,620
DuPont COM 263534109 559 7,620 SH   SOLE   0 0 7,620
Exponent Inc COM 30214u102 8,459 140,275 SH   SOLE   0 0 140,275
Exxon Mobil Corporation COM 30231g102 15,629 173,153 SH   SOLE   0 0 173,153
FMC Technologies Inc COM 30249u101 3,268 91,976 SH   SOLE   0 0 91,976
Fedex Corporation COM 31428X106 18,626 100,033 SH   SOLE   0 0 100,033
General Electric Company COM 369604103 15,620 494,297 SH   SOLE   0 0 494,297
Glaxosmithkline Plc Adrf Spons COM 37733W105 261 6,787 SH   SOLE   0 0 6,787
Home Depot Inc COM 437076102 22,767 169,805 SH   SOLE   0 0 169,805
Honeywell International COM 438516106 17,272 149,090 SH   SOLE   0 0 149,090
International Business Machine COM 459200101 15,207 91,611 SH   SOLE   0 0 91,611
JP Morgan Chase & Co COM 46625h100 23,706 274,727 SH   SOLE   0 0 274,727
Johnson & Johnson COM 478160104 21,920 190,263 SH   SOLE   0 0 190,263
Kimberly-Clark Corp COM 494368103 4,418 38,713 SH   SOLE   0 0 38,713
Kraft Heinz Company COM 500754106 8,382 95,996 SH   SOLE   0 0 95,996
McCormick & Co Inc N-Vt Non Vo COM 579780206 16,369 175,390 SH   SOLE   0 0 175,390
McDonalds Corp COM 580135101 16,721 137,374 SH   SOLE   0 0 137,374
Medtronic PLC COM G5960L103 15,697 220,369 SH   SOLE   0 0 220,369
Merck & Co Inc New COM 58933y105 899 15,271 SH   SOLE   0 0 15,271
Microsoft Corp COM 594918104 24,471 393,797 SH   SOLE   0 0 393,797
Nordson Corp COM 655663102 16,491 147,172 SH   SOLE   0 0 147,172
Occidental Pete Corp COM 674599105 2,552 35,823 SH   SOLE   0 0 35,823
Pepsico Incorporated COM 713448108 17,823 170,344 SH   SOLE   0 0 170,344
Pfizer Incorporated COM 717081103 412 12,679 SH   SOLE   0 0 12,679
Pinnacle West Capital Cp COM 723484101 239 3,059 SH   SOLE   0 0 3,059
Procter & Gamble COM 742718109 14,555 173,104 SH   SOLE   0 0 173,104
RPM International Inc Delaware COM 749685103 20,746 385,405 SH   SOLE   0 0 385,405
Resmed Inc COM 761152107 3,853 62,102 SH   SOLE   0 0 62,102
South Jersey Inds Inc COM 838518108 16,074 477,106 SH   SOLE   0 0 477,106
Starbucks Corp COM 855244109 15,394 277,273 SH   SOLE   0 0 277,273
Stryker Corp COM 863667101 15,809 131,953 SH   SOLE   0 0 131,953
Texas Instruments Inc COM 882508104 19,242 263,691 SH   SOLE   0 0 263,691
The Southern Company COM 842587107 742 15,082 SH   SOLE   0 0 15,082
The Whitewave Foods Company COM 966244105 6,325 113,767 SH   SOLE   0 0 113,767
U G I Corporation New COM 902681105 7,574 164,363 SH   SOLE   0 0 164,363
Under Armour Class C COM 904311206 10,516 417,781 SH   SOLE   0 0 417,781
Under Armour Inc Class A COM 904311107 3,897 134,147 SH   SOLE   0 0 134,147
V F Corporation COM 918204108 11,794 221,064 SH   SOLE   0 0 221,064
Verizon Communications COM 92343v104 14,326 268,385 SH   SOLE   0 0 268,385
Walt Disney Company COM 254687106 20,539 197,076 SH   SOLE   0 0 197,076
Schwab US TIPS ETF 1-3 YR TRS Bd 808524870 448 8,165 SH   SOLE   0 0 8,165
iShares TIPS Bond Fund 1-3 YR TRS Bd 464287176 1,776 15,696 SH   SOLE   0 0 15,696