Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
MA	Mastercard	149,404	$36.09M	6.1%	$72.81	+295.3%	COMM	57636Q104
ADP	Automatic Data Processing	208,850	$28.55M	4.8%	$45.45	+212.3%	COMM	053015103
AAPL	Apple	98,077	$24.94M	4.2%	$18.62	+281.8%	COMM	037833100
MSFT	Microsoft	143,577	$22.64M	3.8%	$41.54	+276.4%	COMM	594918104
TJX	TJX Companies	433,141	$20.71M	3.5%	$33.83	+57.7%	COMM	872540109
SYK	Stryker	123,694	$20.59M	3.5%	$66.58	+175.3%	COMM	863667101
ECL	Ecolab	123,388	$19.23M	3.3%	$74.34	+137.2%	COMM	278865100
NKE	NIKE 'B'	224,214	$18.55M	3.1%	$43.43	+97.8%	COMM	654106103
FISV	Fiserv	177,087	$16.82M	2.8%	$47.58	+133.5%	COMM	337738108
MKC	McCormick	117,473	$16.59M	2.8%	$29.42	+134.4%	COMM	579780206
JNJ	Johnson & Johnson	114,120	$14.96M	2.5%	$62.43	+92.4%	COMM	478160104
ABT	Abbott Labs	189,648	$14.96M	2.5%	$29.72	+153.5%	COMM	002824100
MCD	McDonald's	79,563	$13.16M	2.2%	$73.60	+133.5%	COMM	580135101
CHD	Church & Dwight	204,818	$13.14M	2.2%	$35.05	+89.0%	COMM	171340102
NEE	NextEra Energy	53,534	$12.88M	2.2%	$23.47	+131.3%	COMM	65339F101
DHR	Danaher	87,800	$12.15M	2.1%	$47.42	+176.9%	COMM	235851102
INTU	Intuit	46,341	$10.66M	1.8%	$62.11	+320.1%	COMM	461202103
PG	Procter & Gamble	92,865	$10.21M	1.7%	$57.11	+81.8%	COMM	742718109
AMT	American Tower	46,144	$10.05M	1.7%	$90.18	+118.7%	COMM	03027X100
FDS	FactSet Research Systems	36,700	$9.567M	1.6%	$93.65	+174.7%	COMM	303075105
KO	Coca-Cola	204,137	$9.033M	1.5%	$27.85	+61.5%	COMM	191216100
BDX	Becton, Dickinson	36,445	$8.374M	1.4%	$170.84	+31.7%	COMM	075887109
BR	Broadridge Financial Solutions	85,648	$8.122M	1.4%	$57.22	+80.4%	COMM	11133T103
ABBV	AbbVie	104,718	$7.978M	1.3%	$27.98	+140.2%	COMM	00287Y109
PEP	PepsiCo	64,421	$7.737M	1.3%	$56.78	+98.6%	COMM	713448108
CL	Colgate-Palmolive	105,920	$7.029M	1.2%	$44.45	+38.4%	COMM	194162103
GOOGL	Alphabet Class A	6,013	$6.987M	1.2%	$43.78	+53.6%	COMM	02079K305
BF/B	Brown-Forman 'B'	125,262	$6.953M	1.2%	$32.20	+79.6%	COMM	115637209
DIS	Disney, Walt	69,597	$6.723M	1.1%	$92.70	+33.2%	COMM	254687106
IDXX	IDEXX Labs	26,667	$6.46M	1.1%	$66.90	+290.1%	COMM	45168D104
ACN	Accenture 'A'	35,954	$5.87M	1.0%	$81.04	+118.5%	COMM	G1151C101
ITW	Illinois Tool Works	40,063	$5.694M	1.0%	$64.66	+128.2%	COMM	452308109
LLY	Lilly, Eli	40,053	$5.556M	0.9%	$43.48	+194.8%	COMM	532457108
PFF	iShares S&P US Pfd ETF	174,172	$5.546M	0.9%	$36.95	—	DEBT	464288687
HD	Home Depot	28,486	$5.319M	0.9%	$111.49	+70.5%	COMM	437076102
—	United Technologies	54,726	$5.162M	0.9%	$96.63	—	COMM	913017109
AMZN	Amazon.com	2,536	$4.944M	0.8%	$32.69	+196.0%	COMM	023135106
XOM	ExxonMobil	122,218	$4.641M	0.8%	$53.89	-21.9%	COMM	30231G102
MRK	Merck	50,973	$3.922M	0.7%	$41.06	+58.5%	COMM	58933Y105
EL	Estee Lauder	23,914	$3.81M	0.6%	$87.13	+104.9%	COMM	518439104
HON	Honeywell Int'l	28,452	$3.807M	0.6%	$113.85	+20.0%	COMM	438516106
SYY	Sysco	82,065	$3.745M	0.6%	$24.84	+136.8%	COMM	871829107
WSO	Watsco	23,320	$3.685M	0.6%	$152.90	+10.4%	COMM	942622200
WMT	Walmart	32,020	$3.638M	0.6%	$20.64	+71.4%	COMM	931142103
APD	Air Products & Chemicals	17,457	$3.485M	0.6%	$61.75	+219.1%	COMM	009158106
VZ	Verizon Communications	63,106	$3.391M	0.6%	$27.59	+48.7%	COMM	92343V104
QCOM	QUALCOMM	48,410	$3.275M	0.6%	$46.43	+54.9%	COMM	747525103
SBUX	Starbucks	49,630	$3.263M	0.6%	$42.97	+65.2%	COMM	855244109
BRK/B	Berkshire Hathaway 'B'	17,431	$3.187M	0.5%	$159.53	+33.2%	COMM	084670702
PAYX	Paychex	49,145	$3.092M	0.5%	$26.63	+153.2%	COMM	704326107
INTC	Intel	54,936	$2.973M	0.5%	$19.28	+171.5%	COMM	458140100
BCPC	Balchem	29,360	$2.898M	0.5%	$48.33	+105.4%	COMM	057665200
JKHY	Jack Henry & Associates	18,645	$2.894M	0.5%	$57.63	+150.9%	COMM	426281101
V	Visa	16,700	$2.691M	0.5%	$96.11	+88.0%	COMM	92826C839
NVO	Novo Nordisk ADR	43,675	$2.629M	0.4%	$68.55	—	COMM	670100205
USB	US Bancorp	74,182	$2.556M	0.4%	$24.69	+50.8%	COMM	902973304
CSCO	Cisco Systems	62,910	$2.473M	0.4%	$15.33	+139.2%	COMM	17275R102
UNP	Union Pacific	16,805	$2.37M	0.4%	$75.59	+91.8%	COMM	907818108
EW	Edwards Lifesciences	12,500	$2.358M	0.4%	$42.50	+69.7%	COMM	28176E108
AMGN	Amgen	11,487	$2.329M	0.4%	$73.61	+147.6%	COMM	031162100
WEX	WEX	21,640	$2.262M	0.4%	$119.90	+55.7%	COMM	96208T104
LOW	Lowe's	25,700	$2.211M	0.4%	$32.88	+198.9%	COMM	548661107
T	AT&T	71,827	$2.094M	0.4%	$12.52	+45.1%	COMM	00206R102
—	Walgreens Boots Alliance	42,503	$1.945M	0.3%	$76.03	—	COMM	931427108
ZTS	Zoetis	16,332	$1.922M	0.3%	$74.28	+68.7%	COMM	98978V103
EMR	Emerson Electric	38,669	$1.843M	0.3%	$40.07	+44.1%	COMM	291011104
MPC	Marathon Petroleum	77,436	$1.829M	0.3%	$37.57	+2.1%	COMM	56585A102
PFE	Pfizer	55,107	$1.799M	0.3%	$18.18	+42.1%	COMM	717081103
—	Tiffany	12,500	$1.619M	0.3%	$75.16	—	COMM	886547108
GWW	Grainger, W.W.	6,282	$1.561M	0.3%	$204.51	+34.7%	COMM	384802104
FAST	Fastenal	49,600	$1.55M	0.3%	$11.26	+34.6%	COMM	311900104
RHHBY	Roche Holding Ltd ADR	33,500	$1.359M	0.2%	$49.05	—	COMM	771195104
DE	Deere & Company	9,629	$1.33M	0.2%	$68.53	+112.6%	COMM	244199105
ISRG	Intuitive Surgical	2,625	$1.3M	0.2%	$101.54	+80.4%	COMM	46120E602
EXPD	Expeditors Int'l	18,874	$1.259M	0.2%	$32.01	+107.8%	COMM	302130109
MMM	3M Company	9,144	$1.248M	0.2%	$75.07	+41.1%	COMM	88579Y101
GILD	Gilead Sciences	16,085	$1.203M	0.2%	$55.92	-1.8%	COMM	375558103
PM	Philip Morris Int'l	15,284	$1.115M	0.2%	$49.88	+21.8%	COMM	718172109
FTV	Fortive	19,789	$1.092M	0.2%	$37.09	+15.0%	COMM	34959J108
BMY	Bristol-Myers Squibb	19,461	$1.085M	0.2%	$45.68	+6.3%	COMM	110122108
PPG	PPG Industries	12,457	$1.041M	0.2%	$91.06	+8.7%	COMM	693506107
FLO	Flowers Foods	48,225	$990K	0.2%	$13.95	+22.4%	COMM	343498101
WELL	Welltower	20,625	$944K	0.2%	$54.00	+14.5%	COMM	95040Q104
—	CDK Global	28,725	$944K	0.2%	$59.68	—	COMM	12508E101
IBM	IBM	7,807	$866K	0.1%	$118.23	-16.9%	COMM	459200101
EPAM	EPAM Systems	4,500	$835K	0.1%	$149.89	+44.1%	COMM	29414B104
ULTA	Ulta Beauty	4,642	$816K	0.1%	$246.06	+1.3%	COMM	90384S303
—	Kellogg	13,000	$780K	0.1%	$38.92	+27.4%	COMM	487836108
—	Weingarten Realty	52,198	$753K	0.1%	$35.14	—	COMM	948741103
HSY	Hershey Company	5,395	$715K	0.1%	$72.89	+76.2%	COMM	427866108
CSX	CSX	12,156	$697K	0.1%	$6.66	+223.7%	COMM	126408103
ROST	Ross Stores	7,555	$657K	0.1%	$38.79	+159.7%	COMM	778296103
EQR	Equity Residential Properties	10,220	$631K	0.1%	$31.42	+95.3%	COMM	29476L107
ORLY	O'Reilly Automotive	1,920	$578K	0.1%	$24.99	+2.3%	COMM	67103H107
CVS	CVS Health	9,635	$572K	0.1%	$57.27	-3.4%	COMM	126650100
ALCO	Alico	17,866	$555K	0.1%	$27.33	+8.7%	COMM	016230104
BAC	Bank of America	24,252	$515K	0.1%	$23.90	+8.4%	COMM	060505104
JPM	JPMorgan Chase	5,496	$495K	0.1%	$56.46	+83.5%	COMM	46625H100
—	Raytheon	3,768	$494K	0.1%	$187.85	—	COMM	755111507
HPQ	HP	27,700	$481K	0.1%	$11.22	+47.0%	COMM	40434L105
CVX	Chevron	6,597	$478K	0.1%	$74.39	+2.2%	COMM	166764100
HSIC	Henry Schein	9,204	$465K	0.1%	$52.84	+20.0%	COMM	806407102
—	Fortune Brands Home & Security	10,347	$448K	0.1%	$66.64	—	COMM	34964c106
SHW	Sherwin-Williams	968	$445K	0.1%	$137.84	+24.2%	COMM	824348106
BFS	Saul Centers	13,335	$437K	0.1%	$46.35	—	COMM	804395101
TRMB	Trimble	13,635	$434K	0.1%	$30.00	+30.3%	COMM	896239100
EOG	EOG Resources	11,699	$420K	0.1%	$60.19	-17.5%	COMM	26875P101
NOC	Northrop Grumman	1,366	$413K	0.1%	$122.55	+157.4%	COMM	666807102
COLM	Columbia Sportswear	5,820	$406K	0.1%	$87.55	-10.2%	COMM	198516106
PYPL	PayPal Holdings	4,208	$403K	0.1%	$100.27	+9.8%	COMM	70450Y103
COST	Costco Wholesale	1,359	$387K	0.1%	$142.82	+94.5%	COMM	22160K105
PGR	Progressive	5,228	$386K	0.1%	$29.31	+123.0%	COMM	743315103
DUK	Duke Energy	4,697	$380K	0.1%	$42.75	+70.1%	COMM	26441C204
TMO	Thermo Fisher Scientific	1,329	$377K	0.1%	$230.43	+34.8%	COMM	883556102
HP	Helmerich & Payne	23,570	$369K	0.1%	$62.85	-44.0%	COMM	423452101
DOC	Healthpeak Properties	14,600	$348K	0.1%	$25.47	-6.1%	COMM	42250P103
LHX	L3 Harris Technologies	1,830	$330K	0.1%	$180.55	+0.8%	COMM	502431109
SEIC	SEI Investments	7,000	$324K	0.1%	$26.47	+107.7%	COMM	784117103
CAT	Caterpillar	2,753	$319K	0.1%	$62.12	+82.5%	COMM	149123101
XRAY	Dentsply Sirona	8,100	$315K	0.1%	$59.08	-13.8%	COMM	24906P109
ILMN	Illumina	1,140	$311K	0.1%	$295.23	-5.3%	COMM	452327109
MDLZ	Mondelez Int'l	5,882	$295K	0.0%	$28.45	+64.1%	COMM	609207105
NSC	Norfolk Southern	2,005	$293K	0.0%	$107.13	+52.7%	COMM	655844108
TECH	Bio-Techne	1,500	$284K	0.0%	$33.97	+43.6%	COMM	09073M104
BRK/A	Berkshire Hathaway 'A'	1	$272K	0.0%	$199512.94	+59.8%	COMM	084670108
HPE	Hewlett Packard Enterprise	27,700	$269K	0.0%	$6.50	+66.8%	COMM	42824C109
GPC	Genuine Parts	3,785	$255K	0.0%	$62.69	+19.9%	COMM	372460105
—	Stericycle	5,050	$245K	0.0%	$112.40	—	COMM	858912108
MO	Altria	6,268	$242K	0.0%	$25.84	+6.6%	COMM	02209S103
CTAS	Cintas	1,378	$239K	0.0%	$49.87	+23.8%	COMM	172908105
—	General Electric	28,954	$230K	0.0%	$17.79	—	COMM	369604103
INGR	Ingredion	3,000	$227K	0.0%	$80.34	+6.9%	COMM	457187102
CMI	Cummins	1,650	$223K	0.0%	$89.89	+49.9%	COMM	231021106
LKQ	LKQ	10,600	$217K	0.0%	$24.16	+10.2%	COMM	501889208
FPE	1st Trust Pfd Sec & Inc ETF	13,000	$213K	0.0%	$19.08	—	DEBT	33739E108
SLB	Schlumberger	12,896	$174K	0.0%	$54.30	-53.4%	COMM	806857108
—	Marathon Oil	43,588	$143K	0.0%	$13.56	—	COMM	565849106
KIM	Kimco Realty	10,650	$103K	0.0%	$12.78	+3.4%	COMM	49446R109