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
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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   0 13,000 SH   SOLE   0 0 0
3m Company COM 88579Y101   4,096,000 34,156 SH   SOLE   0 0 0
AT&T COM 00206R102   1,188,000 64,526 SH   SOLE   0 0 0
AbbVie Inc COM 00287Y109   242,000 1,495 SH   SOLE   0 0 0
Abbott Labs COM 002824100   365,000 3,328 SH   SOLE   0 0 0
Activision Inc COM 00507V109   2,643,000 34,528 SH   SOLE   0 0 0
Adobe Systems Inc COM 00724F101   644,000 1,914 SH   SOLE   0 0 0
Air Prods & Chems COM 009158106   7,864,000 25,511 SH   SOLE   0 0 0
Alliant Energy Corp COM 018802108   221,000 4,000 SH   SOLE   0 0 0
Allstate COM 020002101   798,000 5,884 SH   SOLE   0 0 0
Alphabet A (Google New) COM 02079K305   10,615,000 120,305 SH   SOLE   0 0 0
Alphabet C Non-voting (Google) COM 02079K107   15,921,000 179,430 SH   SOLE   0 0 0
Altria Group COM 02209S103   341,000 7,468 SH   SOLE   0 0 0
Amazon COM 023135106   2,865,000 34,109 SH   SOLE   0 0 0
American Express COM 025816109   11,582,000 78,388 SH   SOLE   0 0 0
Amgen Inc COM 031162100   756,000 2,880 SH   SOLE   0 0 0
Ants Software Inc COM 037271103   0 39,045 SH   SOLE   0 0 0
Apple Computer COM 037833100   8,462,000 65,130 SH   SOLE   0 0 0
Apple Rush Company Inc COM 03785R204   0 30,000 SH   SOLE   0 0 0
Artificial Intelligence Techno COM 04316D201   0 75,000 SH   SOLE   0 0 0
Atlas Corp COM Y0436Q109   757,000 49,360 SH   SOLE   0 0 0
Automatic Data Proc. COM 053015103   20,125,000 84,254 SH   SOLE   0 0 0
Autozone Inc COM 053332102   444,000 180 SH   SOLE   0 0 0
Bank Of America COM 060505104   3,404,000 102,778 SH   SOLE   0 0 0
Bank Of NY Mellon COM 064058100   2,566,000 56,375 SH   SOLE   0 0 0
Berkshire Hathaway COM 084670991   1,875,000 4 SH   SOLE   0 0 0
Berkshire Hathaway B COM 084670207   49,492,000 160,220 SH   SOLE   0 0 0
Blackstone Inc COM 09260D107   594,000 8,010 SH   SOLE   0 0 0
Boeing COM 097023105   424,000 2,226 SH   SOLE   0 0 0
Bp Plc Adr COM 055622104   612,000 17,527 SH   SOLE   0 0 0
Bristol-Myers Squibb COM 110122108   2,831,000 39,344 SH   SOLE   0 0 0
CSX COM 126408103   3,204,000 103,413 SH   SOLE   0 0 0
CVS/Caremark Corp. COM 126650100   225,000 2,415 SH   SOLE   0 0 0
Canadian Nat. Railway COM 136375102   1,126,000 9,475 SH   SOLE   0 0 0
Caterpillar Inc COM 149123101   261,000 1,090 SH   SOLE   0 0 0
Charles Schwab COM 808513105   319,000 3,837 SH   SOLE   0 0 0
Charter Communications COM 16119P108   1,210,000 3,569 SH   SOLE   0 0 0
Chevron COM 166764100   9,415,000 52,456 SH   SOLE   0 0 0
Chubb LTD F COM H1467J104   602,000 2,727 SH   SOLE   0 0 0
Church & Dwight COM 171340102   618,000 7,670 SH   SOLE   0 0 0
Cintas COM 172908105   562,000 1,244 SH   SOLE   0 0 0
Cisco Systems Inc COM 17275R102   433,000 9,097 SH   SOLE   0 0 0
Citigroup Inc COM 172967424   382,000 8,442 SH   SOLE   0 0 0
Coca-Cola COM 191216100   7,768,000 122,114 SH   SOLE   0 0 0
Colgate Palmolive COM 194162103   2,074,000 26,317 SH   SOLE   0 0 0
Comcast A COM 20030N101   12,019,000 343,699 SH   SOLE   0 0 0
Conocophillips COM 20825C104   565,000 4,792 SH   SOLE   0 0 0
Constellation Brand A COM 21036P108   243,000 1,050 SH   SOLE   0 0 0
Corteva Inc COM 22052L104   625,000 10,636 SH   SOLE   0 0 0
Costco Wholesale COM 22160K105   2,288,000 5,011 SH   SOLE   0 0 0
Curaegis Technologies Inc COM 23127Q102   0 12,000 SH   SOLE   0 0 0
D R Horton Inc COM 23331A109   1,123,000 12,601 SH   SOLE   0 0 0
Deere And Co COM 244199105   1,931,000 4,503 SH   SOLE   0 0 0
Diageo (Guinness) COM 25243Q205   1,060,000 5,950 SH   SOLE   0 0 0
Disney COM 254687106   7,276,000 83,753 SH   SOLE   0 0 0
Dow Chemical COM 260557103   562,000 11,154 SH   SOLE   0 0 0
Dupont COM 26614N102   471,000 6,862 SH   SOLE   0 0 0
Eaton Corp COM G29183103   1,655,000 10,543 SH   SOLE   0 0 0
Ecolab Inc COM 278865100   291,000 2,000 SH   SOLE   0 0 0
Edwards Lifesciences COM 28176E108   6,152,000 82,458 SH   SOLE   0 0 0
Emerson Electric COM 291011104   434,000 4,520 SH   SOLE   0 0 0
Expeditors Int'l Of Wa COM 302130109   1,731,000 16,660 SH   SOLE   0 0 0
Exro Technologies Inc COM 30222R109   18,000 11,900 SH   SOLE   0 0 0
Exxon Mobil COM 30231G102   30,613,000 277,547 SH   SOLE   0 0 0
Fedex COM 31428X106   2,188,000 12,630 SH   SOLE   0 0 0
Fiserv Inc Com COM 337738108   3,952,000 39,106 SH   SOLE   0 0 0
Franchise Group Inc COM 35180X105   763,000 32,015 SH   SOLE   0 0 0
Freeport McMoRan Cp&gld COM 35671D857   1,134,000 29,854 SH   SOLE   0 0 0
Gazprom PJSC Fadr ADR COM 368287207   353,000 55,000 SH   SOLE   0 0 0
General Electric COM 369604301   3,329,000 39,730 SH   SOLE   0 0 0
General Mills COM 370334104   327,000 3,900 SH   SOLE   0 0 0
Goldman Sachs COM 38141G104   6,961,000 20,273 SH   SOLE   0 0 0
Home Depot COM 437076102   9,324,000 29,519 SH   SOLE   0 0 0
Honeywell Int'l COM 438516106   7,760,000 36,211 SH   SOLE   0 0 0
Humana Inc Com COM 444859102   319,000 623 SH   SOLE   0 0 0
Idexx Labs COM 45168D104   930,000 2,280 SH   SOLE   0 0 0
Illumina Inc COM 452327109   352,000 1,740 SH   SOLE   0 0 0
Immunogen Inc COM 45253H101   424,000 85,550 SH   SOLE   0 0 0
Intel COM 458140100   4,696,000 177,681 SH   SOLE   0 0 0
Intuit Inc COM 461202103   26,226,000 67,380 SH   SOLE   0 0 0
J.P. Morgan Chase COM 46625H100   14,089,000 105,062 SH   SOLE   0 0 0
Johnson & Johnson COM 478160104   10,763,000 60,930 SH   SOLE   0 0 0
Kimberly Clark COM 494368103   491,000 3,615 SH   SOLE   0 0 0
Kinder Morgan Inc. COM 49456B101   1,953,000 108,015 SH   SOLE   0 0 0
L3 Harris Technologies Inc COM 502431109   3,930,000 18,877 SH   SOLE   0 0 0
Liberty Media Corp Del Com A S COM 531229409   264,000 6,725 SH   SOLE   0 0 0
Lilly (eli) COM 532457108   827,000 2,260 SH   SOLE   0 0 0
Lockheed Martin COM 539830109   4,061,000 8,347 SH   SOLE   0 0 0
Lowes COM 548661107   373,000 1,873 SH   SOLE   0 0 0
Markel Corp Holding Co COM 570535104   456,000 346 SH   SOLE   0 0 0
Marriott Intl New A COM 571903202   1,647,000 11,060 SH   SOLE   0 0 0
Mastercard Inc COM 57636Q104   12,737,000 36,629 SH   SOLE   0 0 0
McDonalds COM 580135101   5,088,000 19,307 SH   SOLE   0 0 0
Medtronic PLC F COM G5960L103   645,000 8,304 SH   SOLE   0 0 0
Merck COM 58933Y105   2,586,000 23,307 SH   SOLE   0 0 0
Meta Platforms Inc COM 30303M102   5,265,000 43,755 SH   SOLE   0 0 0
Microsoft COM 594918104   39,278,000 163,782 SH   SOLE   0 0 0
Moody's Corp COM 615369105   264,000 949 SH   SOLE   0 0 0
Morgan Stanley COM 617446448   5,601,000 65,879 SH   SOLE   0 0 0
Netflix Inc COM 64110L106   4,788,000 16,238 SH   SOLE   0 0 0
Newmont Mining COM 651639106   1,074,000 22,760 SH   SOLE   0 0 0
Nike Inc Class B COM 654106103   587,000 5,020 SH   SOLE   0 0 0
Norfolk Southern COM 655844108   5,655,000 22,947 SH   SOLE   0 0 0
Paychex COM 704326107   12,705,000 109,943 SH   SOLE   0 0 0
Pepsico Inc. COM 713448108   3,500,000 19,371 SH   SOLE   0 0 0
Pfizer COM 717081103   3,971,000 77,505 SH   SOLE   0 0 0
Philip Morris Int'l COM 718172109   235,000 2,318 SH   SOLE   0 0 0
Phillips 66 COM 718546104   2,728,000 26,210 SH   SOLE   0 0 0
Procter & Gamble COM 742718109   16,143,000 106,514 SH   SOLE   0 0 0
Qualcomm COM 747525103   16,138,000 146,793 SH   SOLE   0 0 0
Raytheon Technologies COM 75513E101   6,655,000 65,941 SH   SOLE   0 0 0
Salesforce.com Inc COM 79466L302   599,000 4,517 SH   SOLE   0 0 0
Shell PLC ADR COM 780259305   356,000 6,245 SH   SOLE   0 0 0
Sherwin Williams COM 824348106   7,727,000 32,556 SH   SOLE   0 0 0
Stryker COM 863667101   1,186,000 4,852 SH   SOLE   0 0 0
Sysco COM 871829107   2,851,000 37,292 SH   SOLE   0 0 0
TC Energy Corporation COM 87807B107   3,548,000 89,010 SH   SOLE   0 0 0
Texas Instruments COM 882508104   6,952,000 42,080 SH   SOLE   0 0 0
Thermo Fisher Scientific COM 883556102   16,757,000 30,429 SH   SOLE   0 0 0
Travelers COM 89417E109   220,000 1,171 SH   SOLE   0 0 0
TriNet Group Inc COM 896288107   1,421,000 20,965 SH   SOLE   0 0 0
Union Pacific COM 907818108   23,618,000 114,057 SH   SOLE   0 0 0
United Healthcare COM 91324P102   707,000 1,334 SH   SOLE   0 0 0
United Parcel Service COM 911312106   5,840,000 33,592 SH   SOLE   0 0 0
Verizon Comm. COM 92343V104   663,000 16,833 SH   SOLE   0 0 0
Vertex Pharmaceuticals COM 92532F100   256,000 888 SH   SOLE   0 0 0
Visa COM 92826C839   23,658,000 113,873 SH   SOLE   0 0 0
Warner Bros Discovery COM 934423104   3,917,000 413,218 SH   SOLE   0 0 0
Wells Fargo & Co. COM 949746101   5,462,000 132,274 SH   SOLE   0 0 0
World Moto Inc COM 98158H106   0 20,000 SH   SOLE   0 0 0