Amazon Stock 023135106 27612642 115854 SH SOLE 0 115854 0 0 Johnson & Johnson Stock 478160104 47306353 186267 SH SOLE 0 186267 0 0 Waste Management Stock 94106L109 1398572 6275 SH SOLE 0 6275 0 0 Sabine Royalty Trust Stock 785688102 1024800 14000 SH SOLE 0 14000 0 0 Procter & Gamble Stock 742718109 31896726 217517 SH SOLE 0 217517 0 0 Coca-Cola Stock 191216100 35798981 440494 SH SOLE 0 440494 0 0 Enterprise Products Stock 293792107 258055 7020 SH SOLE 0 7020 0 0 United Parcel Service Stock 911312106 326667 3039 SH SOLE 0 3038 0 0 Medtronic Stock G5960L103 485261 6203 SH SOLE 0 6203 0 0 Netflix Stock 64110L106 714643 10009 SH SOLE 0 10009 0 0 Paccar Stock 693718108 46184831 384489 SH SOLE 0 384489 0 0 SPDR S&P 500 ETF Trust ETF 78462F103 3149876 4218 SH SOLE 0 4218 0 0 Mastercard Stock 57636Q104 1307112 2545 SH SOLE 0 2545 0 0 Illinois Tool Works Stock 452308109 50048735 185044 SH SOLE 0 185043 0 0 Nordson Stock 655663102 70547247 233840 SH SOLE 0 233840 0 0 Emerson Electric Stock 291011104 40486501 282826 SH SOLE 0 282825 0 0 FedEx Stock 31428X106 1428667 4563 SH SOLE 0 4562 0 0 Pepsico Stock 713448108 2111117 15592 SH SOLE 0 15591 0 0 Black Stone Minerals Stock 09225M101 1676218 119987 SH SOLE 0 119987 0 0 Honeywell Stock 438516205 15296288 68318 SH SOLE 0 68317 0 0 Home Depot Stock 437076102 380375 1079 SH SOLE 0 1078 0 0 Automatic Data Processing Stock 053015103 43077067 192351 SH SOLE 0 192351 0 0 SPDR Gold Shares ETF 78463V107 345909 939 SH SOLE 0 939 0 0 Becton Dickinson Stock 075887109 416006 2749 SH SOLE 0 2749 0 0 Stellar Bancorp Stock 858927106 1825195 46419 SH SOLE 0 46419 0 0 Alphabet Class A Stock 02079K305 2628814 7356 SH SOLE 0 7356 0 0 Intuit Stock 461202103 10471621 40121 SH SOLE 0 40121 0 0 Microsoft Stock 594918104 110358430 295851 SH SOLE 0 295851 0 0 Vanguard Information Technology ETF ETF 92204A702 438638 3670 SH SOLE 0 3670 0 0 Amphenol Stock 032095101 70841596 401779 SH SOLE 0 401778 0 0 Alcon Stock H01301128 17823750 265588 SH SOLE 0 265588 0 0 Eli Lilly Stock 532457108 898373 749 SH SOLE 0 749 0 0 Air Products & Chemicals Stock 009158106 19421261 66243 SH SOLE 0 66243 0 0 Duke Energy Stock 26441C204 786442 6213 SH SOLE 0 6213 0 0 Sysco Stock 871829107 773263 9252 SH SOLE 0 9251 0 0 Berkshire Hathaway Class B Stock 084670702 12582807 25146 SH SOLE 0 25146 0 0 Phillips 66 Stock 718546104 461507 2730 SH SOLE 0 2730 0 0 Zebra Technologies Stock 989207105 15098488 57352 SH SOLE 0 57352 0 0 Meta Platforms Stock 30303M102 316579 562 SH SOLE 0 562 0 0 Texas Capital Bancshares Stock 88224Q107 361410 3500 SH SOLE 0 3500 0 0 Broadcom Stock 11135F101 792142 2097 SH SOLE 0 2097 0 0 Novartis ADR 66987V109 521094 3325 SH SOLE 0 3325 0 0 Accenture Stock G1151C101 6379665 51267 SH SOLE 0 51267 0 0 Nvidia Stock 67066G104 3049172 15239 SH SOLE 0 15239 0 0 WW Grainger Stock 384802104 2489532 1830 SH SOLE 0 1830 0 0 Abbvie Stock 00287Y109 3037039 12069 SH SOLE 0 12068 0 0 Taiwan Semiconductor ADR 874039100 130623991 273518 SH SOLE 0 273518 0 0 Stryker Stock 863667101 21317133 67708 SH SOLE 0 67707 0 0 Intuitive Surgical Stock 46120E602 27328172 68719 SH SOLE 0 68719 0 0 McDonalds Stock 580135101 374109 1384 SH SOLE 0 1384 0 0 Dover Stock 260003108 48190315 214867 SH SOLE 0 214866 0 0 Cisco Systems Stock 17275R102 201326 1714 SH SOLE 0 1714 0 0 Advanced Micro Devices Stock 007903107 321243 553 SH SOLE 0 553 0 0 Nokia ADR ADR 654902204 176863 13318 SH SOLE 0 13318 0 0 Cintas Stock 172908105 30284102 178058 SH SOLE 0 178057 0 0 Donaldson Stock 257651109 49681143 553427 SH SOLE 0 553427 0 0 Ecolab Stock 278865100 45794151 164367 SH SOLE 0 164366 0 0 Republic Services Stock 760759100 11816351 55455 SH SOLE 0 55455 0 0 Thermo Fisher Scientific Stock 883556102 17713010 35330 SH SOLE 0 35329 0 0 Dorchester Minerals Stock 25820R105 1323681 52423 SH SOLE 0 52423 0 0 JPMorganChase Stock 46625H100 278558 851 SH SOLE 0 851 0 0 Chevron Corp Stock 166764100 1693741 10218 SH SOLE 0 10218 0 0 Conocophillips Stock 20825C104 443285 4264 SH SOLE 0 4264 0 0 Bank America Stock 060505104 225935 3965 SH SOLE 0 3965 0 0 First Financial Bankshares Stock 32020R109 253826 7336 SH SOLE 0 7336 0 0 Walmart Stock 931142103 293004 2587 SH SOLE 0 2587 0 0 IBM Stock 459200101 559045 1988 SH SOLE 0 1988 0 0 Texas Instruments Stock 882508104 28143920 94421 SH SOLE 0 94420 0 0 3M Stock 88579Y101 395870 2445 SH SOLE 0 2445 0 0 Alphabet Class C Stock 02079K107 1115463 3157 SH SOLE 0 3157 0 0 Amgen Stock 031162100 284988 787 SH SOLE 0 787 0 0 San Juan Basin Royalty Trust Stock 798241105 1021024 318076 SH SOLE 0 318076 0 0 Eaton Stock G29183103 22828101 53572 SH SOLE 0 53572 0 0 Lam Research Stock 512807306 5849955 13500 SH SOLE 0 13500 0 0 FedEx Freight Stock 314352105 351075 2325 SH SOLE 0 2325 0 0 Honeywell Aerospace Stock 43849R105 15119551 68390 SH SOLE 0 68389 0 0 Bristol-Myers Squibb Stock 110122108 433245 7519 SH SOLE 0 7519 0 0 Exxon Mobil Stock 30233Q108 7926118 57973 SH SOLE 0 57973 0 0 Lowes Stock 548661107 482315 2187 SH SOLE 0 2187 0 0 Apple Stock 037833100 101233650 349854 SH SOLE 0 349853 0 0 Abbott Labs Stock 002824100 1205085 13281 SH SOLE 0 13280 0 0