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 (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
AGL RES INC COM 001204106 1,851 30,318 SH   SOLE 30,318 0 0
AMERICAN SCIENCE & ENGR INC COM 029429107 26,211 737,088 SH   SOLE 737,088 0 0
APPLIED MATLS INC COM 038222105 2,239 152,391 SH   SOLE 152,391 0 0
BB&T CORP COM 054937107 729 20,476 SH   SOLE 20,476 0 0
BOK FINL CORP COM NEW 05561q201 57,041 881,484 SH   SOLE 881,484 0 0
CABOT MICROELECTRONICS CORP COM 12709p103 13,207 340,917 SH   SOLE 340,917 0 0
CAMERON INTERNATIONAL CORP COM 13342b105 37,701 614,822 SH   SOLE 614,822 0 0
CHUBB CORP COM 171232101 3,075 25,074 SH   SOLE 25,074 0 0
COMMERCE BANCSHARES INC COM 200525103 23,040 505,699 SH   SOLE 505,699 0 0
COMPASS MINERALS INTL INC COM 20451n101 724 9,240 SH   SOLE 9,240 0 0
CORRECTIONS CORP AMER NEW COM NEW 22025y407 27,732 938,790 SH   SOLE 938,790 0 0
CULLEN FROST BANKERS INC COM 229899109 679 10,676 SH   SOLE 10,676 0 0
DEERE & CO COM 244199105 2,176 29,406 SH   SOLE 29,406 0 0
DIAGEO P L C SPON ADR NEW 25243q205 36,971 342,994 SH   SOLE 342,994 0 0
DOVER CORP COM 260003108 1,397 24,430 SH   SOLE 24,430 0 0
EMERSON ELEC CO COM 291011104 66,756 1,511,338 SH   SOLE 1,511,338 0 0
EQT CORP COM 26884l109 599 9,250 SH   SOLE 9,250 0 0
FLOWSERVE CORP COM 34354p105 2,121 51,567 SH   SOLE 51,567 0 0
FMC TECHNOLOGIES INC COM 30249u101 736 23,740 SH   SOLE 23,740 0 0
FRANKS INTL N V COM n33462107 104,295 6,803,319 SH   SOLE 6,803,319 0 0
FULLER H B CO COM 359694106 69,974 2,061,711 SH   SOLE 2,061,711 0 0
GENUINE PARTS CO COM 372460105 768 9,260 SH   SOLE 9,260 0 0
HELMERICH & PAYNE INC COM 423452101 2,017 42,670 SH   SOLE 42,670 0 0
HUB GROUP INC CL A 443320106 1,373 37,708 SH   SOLE 37,708 0 0
HUBBELL INC CL B 443510201 655 7,712 SH   SOLE 7,712 0 0
IDACORP INC COM 451107106 945 14,611 SH   SOLE 14,611 0 0
ITC HLDGS CORP COM 465685105 1,516 45,456 SH   SOLE 45,456 0 0
ITT CORP NEW COM NEW 450911201 643 19,240 SH   SOLE 19,240 0 0
JOHNSON & JOHNSON COM 478160104 36,630 392,397 SH   SOLE 392,397 0 0
KELLOGG CO COM 487836108 741 11,132 SH   SOLE 11,132 0 0
LINDSAY CORP COM 535555106 18,726 276,233 SH   SOLE 276,233 0 0
LPL FINL HLDGS INC COM 50212v100 13,856 348,415 SH   SOLE 348,415 0 0
M & T BK CORP COM 55261f104 735 6,026 SH   SOLE 6,026 0 0
MKS INSTRUMENT INC COM 55306n104 25,266 753,529 SH   SOLE 753,529 0 0
MSA SAFETY INC COM 553498106 12,335 308,596 SH   SOLE 308,596 0 0
NATIONAL FUEL GAS CO N J COM 636180101 103,555 2,071,928 SH   SOLE 2,071,928 0 0
NATIONAL OILWELL VARCO INC COM 637071101 739 19,625 SH   SOLE 19,625 0 0
NATIONAL WESTN LIFE INS CO CL A 638522102 15,802 70,955 SH   SOLE 70,955 0 0
NORFOLK SOUTHERN CORP COM 655844108 750 9,822 SH   SOLE 9,822 0 0
NORTHERN TR CORP COM 665859104 1,451 21,282 SH   SOLE 21,282 0 0
NORTHWEST NAT GAS CO COM 667655104 1,695 36,981 SH   SOLE 36,981 0 0
PATTERSON COMPANIES INC COM 703395103 14,604 337,670 SH   SOLE 337,670 0 0
PORTLAND GEN ELEC CO COM NEW 736508847 1,550 41,916 SH   SOLE 41,916 0 0
PRAXAIR INC COM 74005p104 19,669 193,096 SH   SOLE 193,096 0 0
RAYONIER INC COM 754907103 729 33,019 SH   SOLE 33,019 0 0
ROCKWELL COLLINS INC COM 774341101 741 9,059 SH   SOLE 9,059 0 0
SANDERSON FARMS INC COM 800013104 748 10,911 SH   SOLE 10,911 0 0
SCHLUMBERGER LTD COM 806857108 22,658 328,518 SH   SOLE 328,518 0 0
SYSCO CORP COM 871829107 30,049 771,084 SH   SOLE 771,084 0 0
UNITED PARCEL SERVICE INC CL B 911312106 37,267 377,619 SH   SOLE 377,619 0 0
WAL-MART STORES INC COM 931142103 23,151 357,043 SH   SOLE 357,043 0 0
WOODWARD INC COM 980745103 1,355 33,298 SH   SOLE 33,298 0 0
XILINX INC COM 983919101 2,266 53,443 SH   SOLE 53,443 0 0
XYLEM INC COM 98419m100 40,210 1,224,037 SH   SOLE 1,224,037 0 0
ZIMMER BIOMET HLDGS INC COM 98956p102 695 7,394 SH   SOLE 7,394 0 0