3m Company COM 88579y101 18901 107253 SH SOLE 0 0 107253 AFLAC Inc COM 001055102 13372 186056 SH SOLE 0 0 186056 AT&T Inc New COM 00206R102 7081 174370 SH SOLE 0 0 174370 American Express Company COM 025816109 11486 179357 SH SOLE 0 0 179357 Amerigas Partners Limited Part COM 030975106 3002 65741 SH SOLE 0 0 65741 Apple Inc COM 037833100 15914 140771 SH SOLE 0 0 140771 Aqua America Inc COM 03836w103 433 14219 SH SOLE 0 0 14219 Artesian Res Corp Cl A Class A COM 043113208 2240 78476 SH SOLE 0 0 78476 Automatic Data Processing COM 053015103 17030 193083 SH SOLE 0 0 193083 Berkshire Hathaway B New Class COM 084670702 912 6313 SH SOLE 0 0 6313 Boeing Co COM 097023105 18206 138197 SH SOLE 0 0 138197 Bristol-Myers Squibb Co COM 110122108 529 9813 SH SOLE 0 0 9813 CVS Health Corp. COM 126650100 11241 126313 SH SOLE 0 0 126313 Church & Dwight Co Inc COM 171340102 7958 166075 SH SOLE 0 0 166075 Cisco Systems Inc COM 17275R102 586 18482 SH SOLE 0 0 18482 Colgate-Palmolive Co COM 194162103 12628 170328 SH SOLE 0 0 170328 ConocoPhillips COM 20825C104 4315 99273 SH SOLE 0 0 99273 Diageo Plc New Adr F 1 Adr Rep COM 25243Q205 13223 113954 SH SOLE 0 0 113954 Discover Financial Svcs COM 254709108 9792 173159 SH SOLE 0 0 173159 Dow Chemical Company COM 260543103 416 8020 SH SOLE 0 0 8020 DuPont COM 263534109 504 7520 SH SOLE 0 0 7520 Exponent Inc COM 30214u102 7115 139342 SH SOLE 0 0 139342 Exxon Mobil Corporation COM 30231g102 14717 168616 SH SOLE 0 0 168616 FMC Technologies Inc COM 30249u101 3043 102573 SH SOLE 0 0 102573 Fedex Corporation COM 31428X106 17328 99198 SH SOLE 0 0 99198 Fortune Brands HM & SEC COM 34964C106 212 3645 SH SOLE 0 0 3645 General Electric Company COM 369604103 14176 478601 SH SOLE 0 0 478601 Glaxosmithkline Plc Adrf Spons COM 37733W105 388 9002 SH SOLE 0 0 9002 Home Depot Inc COM 437076102 21645 168211 SH SOLE 0 0 168211 Honeywell International COM 438516106 16993 145753 SH SOLE 0 0 145753 International Business Machine COM 459200101 14341 90281 SH SOLE 0 0 90281 JP Morgan Chase & Co COM 46625h100 18317 275065 SH SOLE 0 0 275065 Johnson & Johnson COM 478160104 21870 185138 SH SOLE 0 0 185138 Kimberly-Clark Corp COM 494368103 4517 35810 SH SOLE 0 0 35810 Kraft Heinz Company COM 500754106 7739 86464 SH SOLE 0 0 86464 McCormick & Co Inc N-Vt Non Vo COM 579780206 16247 162596 SH SOLE 0 0 162596 McDonalds Corp COM 580135101 15280 132458 SH SOLE 0 0 132458 Medtronic PLC COM G5960L103 17337 200658 SH SOLE 0 0 200658 Microsoft Corp COM 594918104 22881 397236 SH SOLE 0 0 397236 Nordson Corp COM 655663102 14869 149241 SH SOLE 0 0 149241 Occidental Pete Corp COM 674599105 2445 33529 SH SOLE 0 0 33529 Oracle Corporation COM 68389x105 363 9244 SH SOLE 0 0 9244 Pepsico Incorporated COM 713448108 17701 162740 SH SOLE 0 0 162740 Pfizer Incorporated COM 717081103 391 11539 SH SOLE 0 0 11539 Pinnacle West Capital Cp COM 723484101 216 2845 SH SOLE 0 0 2845 Procter & Gamble COM 742718109 14282 159132 SH SOLE 0 0 159132 RPM International Inc Delaware COM 749685103 20566 382843 SH SOLE 0 0 382843 Resmed Inc COM 761152107 4023 62090 SH SOLE 0 0 62090 South Jersey Inds Inc COM 838518108 13659 462233 SH SOLE 0 0 462233 Starbucks Corp COM 855244109 14281 263782 SH SOLE 0 0 263782 Stryker Corp COM 863667101 14902 128013 SH SOLE 0 0 128013 Texas Instruments Inc COM 882508104 18247 259999 SH SOLE 0 0 259999 The Southern Company COM 842587107 774 15082 SH SOLE 0 0 15082 The Whitewave Foods Company COM 966244105 6586 121001 SH SOLE 0 0 121001 U G I Corporation New COM 902681105 7343 162316 SH SOLE 0 0 162316 Under Armour Class C COM 904311206 7328 216413 SH SOLE 0 0 216413 Under Armour Inc Class A COM 904311107 9910 256203 SH SOLE 0 0 256203 V F Corporation COM 918204108 11934 212916 SH SOLE 0 0 212916 Verizon Communications COM 92343v104 13625 262117 SH SOLE 0 0 262117 Walt Disney Company COM 254687106 18091 194822 SH SOLE 0 0 194822 Schwab US TIPS ETF 1-3 YR TRS Bd 808524870 488 8558 SH SOLE 0 0 8558 iShares TIPS Bond Fund 1-3 YR TRS Bd 464287176 1948 16726 SH SOLE 0 0 16726