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 (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
3M Company COM 88579Y101 395 2,532 SH   SOLE   2,381 0 150
Abbott Laboratories COM 002824100 9,760 106,753 SH   SOLE   101,605 0 5,148
AbbVie Inc COM 00287Y109 3,254 33,141 SH   SOLE   32,877 0 264
Accenture PLC CL A COM G1151C101 6,125 28,525 SH   SOLE   25,898 0 2,627
Allegiance Bancshare COM 01748H107 3,929 154,733 SH   SOLE   154,733 0 0
Alphabet Inc Class A COM 02079K305 1,089 768 SH   SOLE   713 0 55
Alphabet Inc Class C COM 02079K107 18,329 12,966 SH   SOLE   12,468 0 498
Altria Group Inc. COM 02209S103 307 7,813 SH   SOLE   7,314 0 500
Amazon Com Inc COM 023135106 12,266 4,446 SH   SOLE   4,305 0 141
American Express Company COM 025816109 1,686 17,712 SH   SOLE   17,500 0 212
Anheuser Busch Co Inc COM 035229103 1,165 23,640 SH   SOLE   23,475 0 165
Apple Computer Inc COM 037833100 30,756 84,310 SH   SOLE   80,247 0 4,063
Applied Materials Inc COM 038222105 6,932 114,672 SH   SOLE   109,187 0 5,485
AT&T Inc COM 00206R102 13,829 457,458 SH   SOLE   442,040 0 15,418
Bank Of Nova Scotia COM 064149107 1,021 24,763 SH   SOLE   22,863 0 1,900
Berkshire Hathaway Cl B COM 084670702 9,930 55,627 SH   SOLE   53,652 0 1,975
Bhp Billiton Ltd Adr COM 088606108 6,473 130,154 SH   SOLE   124,510 0 5,644
Booking Holdings Inc COM 09857L108 3,132 1,967 SH   SOLE   1,905 0 62
Bp Plc Adr COM 055622104 304 13,034 SH   SOLE   13,034 0 0
Brookfield Asset Mgmt COM 112585104 8,577 260,708 SH   SOLE   251,057 0 9,651
Brookfield Infra Ptnrs COM G16252101 2,145 52,179 SH   SOLE   46,979 0 5,200
Brookfield Infrastruct FClass A COM 11275Q107 406 8,913 SH   SOLE   7,963 0 950
Canadian Natl Ry Co COM 136375102 9,275 104,720 SH   SOLE   100,699 0 4,021
Caterpillar Inc COM 149123101 5,776 45,660 SH   SOLE   43,635 0 2,025
CBTX INC COM 12481V104 1,314 62,587 SH   SOLE   62,587 0 0
Chevron Corp COM 166764100 7,934 88,920 SH   SOLE   86,077 0 2,844
Chubb Ltd F COM H1467J104 9,373 74,024 SH   SOLE   71,188 0 2,836
Cintas Corp COM 172908105 3,529 13,251 SH   SOLE   11,731 0 1,520
Cisco Systems Inc COM 17275R102 9,817 210,492 SH   SOLE   201,808 0 8,684
Clorox Company COM 189054109 281 1,279 SH   SOLE   1,279 0 0
Coca Cola Company COM 191216100 2,087 46,707 SH   SOLE   46,297 0 410
Compass Minerals Intl COM 20451N101 585 12,000 SH   SOLE   12,000 0 0
Conocophillips COM 20825C104 424 10,102 SH   SOLE   9,944 0 158
Constellation Brand COM 21036P108 211 1,203 SH   SOLE   1,203 0 0
Corteva Inc COM 22052L104 1,305 48,694 SH   SOLE   46,964 0 1,731
Cullen Frost Bankers COM 229899109 2,250 30,123 SH   SOLE   27,723 0 2,400
CVS Health Corporation COM 126650100 6,084 93,637 SH   SOLE   91,383 0 2,254
Danaher Corp Del COM 235851102 4,925 27,850 SH   SOLE   27,050 0 800
Denbury Res Inc New COM 247916208 34 124,500 SH   SOLE   124,500 0 0
Diageo Plc New Adr COM 25243Q205 5,523 41,098 SH   SOLE   39,643 0 1,455
Discover Financial Svcs COM 254709108 1,514 30,225 SH   SOLE   30,000 0 225
Discovery Inc COM 25470F302 2,311 119,980 SH   SOLE   113,980 0 6,000
Disney Walt Hldg Co COM 254687106 12,224 109,625 SH   SOLE   105,108 0 4,517
Dollar Tree Inc COM 256746108 4,847 52,300 SH   SOLE   49,775 0 2,525
Dominion Res Inc Va New COM 25746U109 8,320 102,491 SH   SOLE   99,458 0 3,033
Dow Chemical Company COM 260543103 5,331 130,781 SH   SOLE   124,032 0 6,750
E O G Resources Inc COM 26875P101 852 16,816 SH   SOLE   16,615 0 201
Eaton Corporation COM G29183103 2,565 29,325 SH   SOLE   29,025 0 300
Enbridge Inc COM 29250N105 2,210 72,657 SH   SOLE   70,157 0 2,500
Entegris Inc COM 29362U104 1,292 21,887 SH   SOLE   20,359 0 1,528
Enterprise Prd Prtnrs Lp COM 293792107 442 24,319 SH   SOLE   24,319 0 0
Exxon Mobil Corporation COM 30231G102 6,534 146,111 SH   SOLE   140,805 0 5,306
Facebook Inc Class A COM 30303M102 16,156 71,148 SH   SOLE   68,318 0 2,830
Fair Isaac Intl Corp COM 303250104 484 1,157 SH   SOLE   1,107 0 50
FedEx Corporation COM 31428X106 9,365 66,791 SH   SOLE   64,823 0 1,967
FIRST FINL BANKSHARES COM 32020R109 781 27,037 SH   SOLE   27,037 0 0
Fiserv Inc COM 337738108 1,866 19,120 SH   SOLE   17,620 0 1,500
FRIEDMAN INDS INC COM COM 358435105 331 65,461 SH   SOLE   65,461 0 0
General Dynamics Corp COM 369550108 822 5,497 SH   SOLE   5,497 0 0
General Mills Inc COM 370334104 1,305 21,173 SH   SOLE   21,173 0 0
Gilead Sciences Inc COM 375558103 328 4,264 SH   SOLE   4,148 0 116
Hanesbrands Inc COM 410345102 847 75,000 SH   SOLE   75,000 0 0
Hasbro Inc COM 418056107 582 7,770 SH   SOLE   7,770 0 0
Hemisphere Energy Co COM 423630102 6 71,000 SH   SOLE   71,000 0 0
Hershey Foods Corp COM 427866108 259 2,000 SH   SOLE   2,000 0 0
Hi-Crush Partners LP COM 428337109 8 53,500 SH   SOLE   53,500 0 0
Home Depot Inc COM 437076102 1,252 4,998 SH   SOLE   4,559 0 439
Intel Corp COM 458140100 17,615 294,425 SH   SOLE   281,911 0 12,514
Iqvia Holdings Inc COM 46266C105 2,719 19,162 SH   SOLE   17,782 0 1,380
Ishares Ultra Short Term ETF 46434V878 3,315 65,557 SH   SOLE   65,557 0 0
Johnson & Johnson COM 478160104 15,992 113,720 SH   SOLE   108,775 0 4,946
JPMorgan Chase & Co. COM 46625H100 11,861 126,097 SH   SOLE   120,678 0 5,419
Kinder Morgan Inc COM 49456B101 9,797 645,788 SH   SOLE   618,219 0 27,569
L Brands Inc COM 501797104 217 14,525 SH   SOLE   14,525 0 0
Lazard Ltd COM G54050102 912 31,866 SH   SOLE   31,866 0 0
Lonestar Resources U COM 54240F103 7 14,000 SH   SOLE   14,000 0 0
Lowes Companies Inc COM 548661107 13,239 97,979 SH   SOLE   94,327 0 3,652
Main Street Capital Corp COM 56035L104 379 12,184 SH   SOLE   12,184 0 0
McCormick & Co Inc COM 579780206 1,080 6,020 SH   SOLE   6,020 0 0
McDonalds Corp COM 580135101 12,060 65,376 SH   SOLE   62,150 0 3,226
Merck & Co Inc COM 58933Y105 267 3,453 SH   SOLE   3,266 0 187
Microsoft Corp COM 594918104 26,703 131,210 SH   SOLE   125,009 0 6,201
NextEra Energy, Inc COM 65339F101 12,390 51,587 SH   SOLE   49,311 0 2,276
Nike Inc Class B COM 654106103 9,391 95,773 SH   SOLE   90,391 0 5,381
Northern Trust Corp COM 665859104 1,868 23,550 SH   SOLE   22,447 0 1,103
Paychex Inc COM 704326107 9,424 124,415 SH   SOLE   120,940 0 3,475
Pepsico Incorporated COM 713448108 12,200 92,243 SH   SOLE   88,812 0 3,431
Pfizer Incorporated COM 717081103 11,012 336,743 SH   SOLE   320,841 0 15,903
Philip Morris Intl Inc COM 718172109 276 3,944 SH   SOLE   3,619 0 325
Polaris Industries Inc COM 731068102 1,377 14,874 SH   SOLE   13,659 0 1,215
Procter & Gamble Co COM 742718109 12,929 108,129 SH   SOLE   104,174 0 3,955
Prospect Capital Co COM 74348T102 62 12,100 SH   SOLE   12,100 0 0
Raytheon Technologies Co COM 75513E101 843 13,680 SH   SOLE   13,574 0 106
Regions Financial Cp New COM 7591EP100 350 31,450 SH   SOLE   31,450 0 0
Sabre Corporation COM 78573M104 363 45,000 SH   SOLE   45,000 0 0
Sch St US Trsr Etf ETF 808524862 395 7,642 SH   SOLE   7,642 0 0
Sch US Tips Etf ETF 808524870 324 5,395 SH   SOLE   5,395 0 0
Schwab Emerging Mkt ETF ETF 808524706 407 16,696 SH   SOLE   16,696 0 0
Schwab US Market ETF ETF 808524102 843 11,474 SH   SOLE   11,474 0 0
Skyworks Solutions Inc COM 83088M102 7,512 58,753 SH   SOLE   57,071 0 1,682
Spdr Gold TRUST ETF 78463V107 406 2,426 SH   SOLE   2,426 0 0
Starbucks Corp COM 855244109 226 3,075 SH   SOLE   3,075 0 0
Steris Corp COM G8473T100 4,940 32,198 SH   SOLE   29,002 0 3,195
Stryker Corp COM 863667101 9,885 54,858 SH   SOLE   52,169 0 2,689
Sysco Corporation COM 871829107 1,463 26,765 SH   SOLE   25,954 0 811
T J X Cos Inc COM 872540109 1,809 35,771 SH   SOLE   33,821 0 1,950
Tenneco Inc COM 880349105 552 73,000 SH   SOLE   73,000 0 0
Thomson Reuters Corp COM 884903105 1,856 27,300 SH   SOLE   27,300 0 0
Thor Industries Inc COM 885160101 3,244 30,449 SH   SOLE   29,384 0 1,065
Tyson Foods Inc Cl A COM 902494103 5,604 93,848 SH   SOLE   89,755 0 4,093
U S A Truck Inc COM 902925106 402 51,832 SH   SOLE   51,832 0 0
United Healthcare Cor COM 91324P102 15,787 53,523 SH   SOLE   51,317 0 2,206
United Rentals Inc COM 911363109 1,122 7,530 SH   SOLE   7,390 0 140
Vanguard Corp Bond Etf ETF 92206C870 1,839 19,329 SH   SOLE   19,329 0 0
Vanguard Emerging Market ETF 922042858 274 6,917 SH   SOLE   6,917 0 0
Verisk Analytics Inc COM 92345Y106 2,259 13,273 SH   SOLE   13,173 0 100
Verizon Communications COM 92343V104 279 5,060 SH   SOLE   5,060 0 0
Visa Inc Cl A COM 92826C839 1,689 8,743 SH   SOLE   8,743 0 0
Wal-Mart Stores Inc COM 931142103 8,722 72,819 SH   SOLE   69,043 0 3,776
Waste Management Inc Del COM 94106L109 215 2,030 SH   SOLE   2,030 0 0
Welltower Inc COM 95040Q104 930 17,964 SH   SOLE   17,964 0 0
Wheaton Precious Met COM 962879102 275 6,253 SH   SOLE   6,253 0 0
Willis Towers Watson COM G96629103 2,919 14,822 SH   SOLE   14,572 0 250
Wpp Plc New COM 92937A102 1,106 28,275 SH   SOLE   28,275 0 0
Zions Bancorp COM 989701107 328 9,638 SH   SOLE   9,638 0 0
Zoetis Inc COM 98978V103 2,427 17,713 SH   SOLE   17,023 0 690