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
12 ReTech Corporation COM 90118L202   1 13,000 SH   SOLE   0 0 0
3m Company COM 88579Y101   2,994,009 31,980 SH   SOLE   0 0 0
AT&T COM 00206R102   729,433 48,564 SH   SOLE   0 0 0
Abbott Labs COM 002824100   283,577 2,928 SH   SOLE   0 0 0
Adobe Systems Inc COM 00724F101   1,085,067 2,128 SH   SOLE   0 0 0
Air Prods & Chems COM 009158106   7,453,137 26,299 SH   SOLE   0 0 0
Albemarle Corp COM 012653101   330,218 1,942 SH   SOLE   0 0 0
Allstate COM 020002101   655,536 5,884 SH   SOLE   0 0 0
Alphabet A (Google New) COM 02079K305   15,440,957 117,996 SH   SOLE   0 0 0
Alphabet C Non-voting (Google) COM 02079K107   22,948,097 174,047 SH   SOLE   0 0 0
Altria Group COM 02209S103   271,979 6,468 SH   SOLE   0 0 0
Amazon COM 023135106   3,736,565 29,394 SH   SOLE   0 0 0
American Express COM 025816109   11,864,911 79,529 SH   SOLE   0 0 0
Amgen Inc COM 031162100   773,491 2,878 SH   SOLE   0 0 0
Ants Software Inc COM 037271103   0 39,045 SH   SOLE   0 0 0
Apache COM 03743Q108   284,823 6,930 SH   SOLE   0 0 0
Apple Computer COM 037833100   9,695,061 56,627 SH   SOLE   0 0 0
Apple Rush Company Inc COM 03785R204   42 30,000 SH   SOLE   0 0 0
Artificial Intelligence Techno COM 04316D201   300 75,000 SH   SOLE   0 0 0
Automatic Data Proc. COM 053015103   20,790,001 86,416 SH   SOLE   0 0 0
Autozone Inc COM 053332102   457,198 180 SH   SOLE   0 0 0
Bank Of America COM 060505104   3,023,753 110,437 SH   SOLE   0 0 0
Bank Of NY Mellon COM 064058100   1,897,586 44,492 SH   SOLE   0 0 0
Berkshire Hathaway COM 084670991   2,125,908 4 SH   SOLE   0 0 0
Berkshire Hathaway B COM 084670207   55,221,292 157,640 SH   SOLE   0 0 0
Blackstone Inc COM 09260D107   936,832 8,744 SH   SOLE   0 0 0
Boeing COM 097023105   430,513 2,246 SH   SOLE   0 0 0
Bp Plc Adr COM 055622104   672,644 17,372 SH   SOLE   0 0 0
Bristol-Myers Squibb COM 110122108   1,791,999 30,875 SH   SOLE   0 0 0
CSX COM 126408103   3,051,367 99,231 SH   SOLE   0 0 0
Canadian Nat. Railway COM 136375102   1,026,427 9,475 SH   SOLE   0 0 0
Carrier Global COM 14448C104   208,566 3,778 SH   SOLE   0 0 0
Caterpillar Inc COM 149123101   270,270 990 SH   SOLE   0 0 0
Celanese Corp Del Ser A COM 150870103   200,832 1,600 SH   SOLE   0 0 0
Charles Schwab COM 808513105   2,452,438 44,671 SH   SOLE   0 0 0
Charter Communications COM 16119P108   1,326,057 3,015 SH   SOLE   0 0 0
Chevron COM 166764100   10,579,327 62,741 SH   SOLE   0 0 0
Chubb LTD F COM H1467J104   441,550 2,121 SH   SOLE   0 0 0
Church & Dwight COM 171340102   698,221 7,620 SH   SOLE   0 0 0
Cintas COM 172908105   598,376 1,244 SH   SOLE   0 0 0
Cisco Systems Inc COM 17275R102   491,029 9,134 SH   SOLE   0 0 0
Citigroup Inc COM 172967424   223,818 5,442 SH   SOLE   0 0 0
Coca-Cola COM 191216100   6,534,769 116,734 SH   SOLE   0 0 0
Colgate Palmolive COM 194162103   1,682,107 23,655 SH   SOLE   0 0 0
Comcast A COM 20030N101   15,296,445 344,981 SH   SOLE   0 0 0
Conocophillips COM 20825C104   658,541 5,497 SH   SOLE   0 0 0
Constellation Brand A COM 21036P108   232,480 925 SH   SOLE   0 0 0
Corteva Inc COM 22052L104   888,189 17,361 SH   SOLE   0 0 0
Costco Wholesale COM 22160K105   2,802,767 4,961 SH   SOLE   0 0 0
D R Horton Inc COM 23331A109   1,494,585 13,907 SH   SOLE   0 0 0
Deere And Co COM 244199105   2,222,768 5,890 SH   SOLE   0 0 0
Devon Energy Co COM 25179M103   1,278,598 26,805 SH   SOLE   0 0 0
Diageo (Guinness) COM 25243Q205   827,949 5,550 SH   SOLE   0 0 0
Disney COM 254687106   5,632,311 69,492 SH   SOLE   0 0 0
Dow Chemical COM 260557103   575,100 11,154 SH   SOLE   0 0 0
Dupont COM 26614N102   504,378 6,762 SH   SOLE   0 0 0
Eaton Corp COM G29183103   1,899,898 8,908 SH   SOLE   0 0 0
Edwards Lifesciences COM 28176E108   5,858,109 84,557 SH   SOLE   0 0 0
Elevance Health Inc COM 036752103   261,252 600 SH   SOLE   0 0 0
Emerson Electric COM 291011104   436,496 4,520 SH   SOLE   0 0 0
Eog Res Inc COM 26875P101   380,280 3,000 SH   SOLE   0 0 0
Expeditors Int'l Of Wa COM 302130109   1,882,225 16,420 SH   SOLE   0 0 0
Exxon Mobil COM 30231G102   33,013,660 280,776 SH   SOLE   0 0 0
Fedex COM 31428X106   3,218,778 12,150 SH   SOLE   0 0 0
Fiserv Inc COM 337738108   4,340,488 38,425 SH   SOLE   0 0 0
Freeport McMoRan Cp&gld COM 35671D857   2,025,071 54,306 SH   SOLE   0 0 0
GE Healthcare Technologies COM 36266G107   1,016,791 14,944 SH   SOLE   0 0 0
Gazprom PJSC Fadr ADR COM 368287207   352,550 55,000 SH   SOLE   0 0 0
General Electric COM 369604301   4,623,663 41,824 SH   SOLE   0 0 0
General Mills COM 370334104   249,561 3,900 SH   SOLE   0 0 0
Goldman Sachs COM 38141G104   5,595,496 17,293 SH   SOLE   0 0 0
Home Depot COM 437076102   8,138,382 26,934 SH   SOLE   0 0 0
Honeywell Int'l COM 438516106   6,703,214 36,285 SH   SOLE   0 0 0
Humana Inc Com COM 444859102   303,102 623 SH   SOLE   0 0 0
Idexx Labs COM 45168D104   996,976 2,280 SH   SOLE   0 0 0
Illumina Inc COM 452327109   230,630 1,680 SH   SOLE   0 0 0
Immunogen Inc COM 45253H101   218,212 13,750 SH   SOLE   0 0 0
Intel COM 458140100   5,768,465 162,263 SH   SOLE   0 0 0
Intuit Inc COM 461202103   33,570,781 65,704 SH   SOLE   0 0 0
J.P. Morgan Chase COM 46625H100   13,903,781 95,875 SH   SOLE   0 0 0
Johnson & Johnson COM 478160104   9,274,937 59,550 SH   SOLE   0 0 0
Kimberly Clark COM 494368103   373,426 3,090 SH   SOLE   0 0 0
Kinder Morgan Inc. COM 49456B101   1,872,015 112,908 SH   SOLE   0 0 0
L3 Harris Technologies Inc COM 502431109   3,958,410 22,734 SH   SOLE   0 0 0
Lilly (eli) COM 532457108   1,148,384 2,138 SH   SOLE   0 0 0
Lockheed Martin COM 539830109   3,280,098 8,021 SH   SOLE   0 0 0
Lowes COM 548661107   340,858 1,640 SH   SOLE   0 0 0
Markel Corp Holding Co COM 570535104   509,482 346 SH   SOLE   0 0 0
Marriott Intl New A COM 571903202   2,154,298 10,960 SH   SOLE   0 0 0
Mastercard Inc COM 57636Q104   14,451,903 36,503 SH   SOLE   0 0 0
McDonalds COM 580135101   4,982,177 18,912 SH   SOLE   0 0 0
Medtronic PLC F COM G5960L103   596,633 7,614 SH   SOLE   0 0 0
Merck COM 58933Y105   2,303,491 22,375 SH   SOLE   0 0 0
Meta Platforms Inc COM 30303M102   12,273,485 40,883 SH   SOLE   0 0 0
Microsoft COM 594918104   49,834,162 157,828 SH   SOLE   0 0 0
Moody's Corp COM 615369105   300,045 949 SH   SOLE   0 0 0
Morgan Stanley COM 617446448   5,486,022 67,173 SH   SOLE   0 0 0
Netflix Inc COM 64110L106   5,415,162 14,341 SH   SOLE   0 0 0
Newmont Mining COM 651639106   797,935 21,595 SH   SOLE   0 0 0
Nike Inc Class B COM 654106103   482,403 5,045 SH   SOLE   0 0 0
Norfolk Southern COM 655844108   5,496,710 27,912 SH   SOLE   0 0 0
Nvidia COM 67066G104   382,791 880 SH   SOLE   0 0 0
Occidental Petrolium COM 674599105   524,879 8,090 SH   SOLE   0 0 0
Paychex COM 704326107   12,503,759 108,417 SH   SOLE   0 0 0
Pepsico Inc. COM 713448108   3,392,075 20,019 SH   SOLE   0 0 0
Pfizer COM 717081103   2,598,652 78,343 SH   SOLE   0 0 0
Philip Morris Int'l COM 718172109   390,502 4,218 SH   SOLE   0 0 0
Phillips 66 COM 718546104   3,416,811 28,438 SH   SOLE   0 0 0
Procter & Gamble COM 742718109   15,311,326 104,973 SH   SOLE   0 0 0
Qualcomm COM 747525103   15,519,509 139,740 SH   SOLE   0 0 0
Raytheon Technologies COM 75513E101   5,777,842 80,281 SH   SOLE   0 0 0
Rocket Lab USA Inc COM 773122106   43,800 10,000 SH   SOLE   0 0 0
SQL Technologies Corp COM 78471E105   14,200 10,000 SH   SOLE   0 0 0
Salesforce.com Inc COM 79466L302   384,471 1,896 SH   SOLE   0 0 0
Shell PLC ADR COM 780259305   450,338 6,995 SH   SOLE   0 0 0
Sherwin Williams COM 824348106   7,763,977 30,441 SH   SOLE   0 0 0
Stryker COM 863667101   1,204,301 4,407 SH   SOLE   0 0 0
Sysco COM 871829107   2,397,731 36,302 SH   SOLE   0 0 0
TC Energy Corporation COM 87807B107   2,888,031 83,930 SH   SOLE   0 0 0
Tesla Inc COM 88160R101   250,220 1,000 SH   SOLE   0 0 0
Texas Instruments COM 882508104   6,328,409 39,799 SH   SOLE   0 0 0
Textron COM 883203101   819,689 10,490 SH   SOLE   0 0 0
Thermo Fisher Scientific COM 883556102   14,891,609 29,420 SH   SOLE   0 0 0
TriNet Group Inc COM 896288107   2,375,610 20,395 SH   SOLE   0 0 0
Union Pacific COM 907818108   22,631,493 111,140 SH   SOLE   0 0 0
United Healthcare COM 91324P102   714,437 1,417 SH   SOLE   0 0 0
United Parcel Service COM 911312106   4,503,041 28,890 SH   SOLE   0 0 0
Universal Display Co COM 91347P105   204,087 1,300 SH   SOLE   0 0 0
Verizon Comm. COM 92343V104   364,174 11,236 SH   SOLE   0 0 0
Vertex Pharmaceuticals COM 92532F100   285,147 820 SH   SOLE   0 0 0
Visa COM 92826C839   25,639,461 111,471 SH   SOLE   0 0 0
Warner Bros Discovery COM 934423104   2,973,816 273,832 SH   SOLE   0 0 0
Wells Fargo & Co. COM 949746101   5,048,907 123,566 SH   SOLE   0 0 0
World Moto Inc COM 98158H106   0 20,000 SH   SOLE   0 0 0