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 COM 001204106 1,635 31,842 SH   SOLE   31,205 0 637
AES CORP COM COM 00130H105 2,205 155,505 SH   SOLE   155,505 0 0
AT&T INC COM COM 00206R102 69,845 1,981,974 SH   SOLE   1,793,827 0 188,147
ABBVIE INC COM COM 00287Y109 72,247 1,250,807 SH   SOLE   1,121,110 0 129,697
ACCESS MIDSTREAM PARTNERS L P COM 00434L109 46,355 728,395 SH   SOLE   722,975 0 5,420
ALTERA CORP COM COM 021441100 4,418 123,470 SH   SOLE   41,461 0 82,009
AMERICAN INTL GROUP INC COM NE COM 026874784 4,333 80,216 SH   SOLE   28,088 0 52,128
AMERICAN TOWER CORP NEW COM COM 03027X100 5,583 59,628 SH   SOLE   48,904 0 10,724
AMERICAN WTR WKS CO INC NEW CO COM 030420103 112,585 2,334,327 SH   SOLE   2,093,302 0 241,025
AMERIGAS PARTNERS L P UNIT L P COM 030975106 18,670 409,248 SH   SOLE   406,144 0 3,104
AMGEN INC COM COM 031162100 5,601 39,874 SH   SOLE   12,008 0 27,866
ANADARKO PETE CORP COM COM 032511107 7,671 75,617 SH   SOLE   71,571 0 4,046
APPLE INC COM COM 037833100 2,992 29,698 SH   SOLE   3,819 0 25,879
ARES CAP CORP COM COM 04010L103 49,429 3,058,711 SH   SOLE   2,770,713 0 287,998
ATLAS PIPELINE PARTNERS LP UNI COM 049392103 692 18,967 SH   SOLE   18,967 0 0
ATMOS ENERGY CORP COM COM 049560105 867 18,175 SH   SOLE   17,800 0 375
BCE INC COM NEW ADR 05534B760 27,456 642,087 SH   SOLE   579,709 0 62,378
BOK FINL CORP COM NEW COM 05561Q201 479 7,200 SH   SOLE   0 0 7,200
BANK MONTREAL QUE COM COM 063671101 58,233 791,006 SH   SOLE   697,773 0 93,233
BAXTER INTL INC COM COM 071813109 60,686 845,558 SH   SOLE   759,538 0 86,020
BAYTEX ENERGY CORP COM COM 07317Q105 901 23,811 SH   SOLE   23,811 0 0
BLACK HILLS CORP COM COM 092113109 4,573 95,502 SH   SOLE   90,987 0 4,515
CLECO CORP NEW COM COM 12561W105 1,415 29,387 SH   SOLE   28,816 0 571
CME GROUP INC COM COM 12572Q105 92,828 1,161,004 SH   SOLE   1,008,873 0 152,131
CABOT OIL & GAS CORP COM COM 127097103 7,304 223,427 SH   SOLE   210,605 0 12,822
CAMERON INTERNATIONAL CORP COM COM 13342B105 3,617 54,487 SH   SOLE   54,487 0 0
CAPSTONE TURBINE CORP COM 14067D102 282 263,569 SH   SOLE   12,355 0 251,214
CENTERPOINT ENERGY INC COM COM 15189T107 8,038 328,483 SH   SOLE   305,122 0 23,361
CHICAGO BRIDGE & IRON CO N V C ADR 167250109 6,370 110,116 SH   SOLE   100,902 0 9,214
CISCO SYS INC COM COM 17275R102 66,779 2,653,128 SH   SOLE   2,376,320 0 276,808
CITIGROUP INC NEW CTRAKS ETN M COM 17321F201 1,752 58,572 SH   SOLE   58,352 0 220
COMCAST CORP NEW CL A COM 20030N101 3,328 61,890 SH   SOLE   5,723 0 56,167
CONCHO RES INC COM COM 20605P101 8,319 66,343 SH   SOLE   62,199 0 4,144
CONTINENTAL RESOURCES INC COM COM 212015101 11,030 165,909 SH   SOLE   159,249 0 6,660
CORNING INC COM COM 219350105 4,964 256,680 SH   SOLE   124,844 0 131,836
COVANTA HLDG CORP COM COM 22282E102 7,359 346,792 SH   SOLE   273,650 0 73,142
CULLEN FROST BANKERS INC COM COM 229899109 454 5,933 SH   SOLE   0 0 5,933
CUMMINS INC COM COM 231021106 2,998 22,718 SH   SOLE   2,433 0 20,285
DARDEN RESTAURANTS INC COM COM 237194105 61,663 1,198,273 SH   SOLE   1,075,327 0 122,946
DENBURY RES INC COM NEW COM 247916208 4,195 279,141 SH   SOLE   97,808 0 181,333
DEVON ENERGY CORP NEW COM COM 25179M103 8,672 127,198 SH   SOLE   100,172 0 27,026
DIGITAL RLTY TR INC COM COM 253868103 82,771 1,326,879 SH   SOLE   1,192,292 0 134,587
DISCOVER FINL SVCS COM COM 254709108 3,310 51,402 SH   SOLE   5,099 0 46,303
DOW CHEM CO COM COM 260543103 8,804 167,881 SH   SOLE   157,497 0 10,384
E M C CORP MASS COM COM 268648102 3,693 126,215 SH   SOLE   14,846 0 111,369
EOG RES INC COM COM 26875P101 12,078 121,980 SH   SOLE   115,447 0 6,533
EQT CORP COM COM 26884L109 19,303 210,871 SH   SOLE   184,806 0 26,065
EQT MIDSTREAM PARTNERS LP UNIT COM 26885B100 38,944 434,595 SH   SOLE   431,427 0 3,168
EV ENERGY PARTNERS LP COM UNIT COM 26926V107 26,340 742,605 SH   SOLE   724,456 0 18,149
EASTMAN CHEM CO COM COM 277432100 9,727 120,252 SH   SOLE   112,354 0 7,898
EDISON INTL COM COM 281020107 1,511 27,028 SH   SOLE   26,489 0 539
EL PASO PIPELINE PARTNERS L P COM 283702108 712 17,741 SH   SOLE   301 0 17,440
EMPIRE DIST ELEC CO COM COM 291641108 1,202 49,755 SH   SOLE   48,757 0 998
ENBRIDGE ENERGY PARTNERS L P C COM 29250R106 64,081 1,649,438 SH   SOLE   1,637,141 0 12,297
ENERGEN CORP COM COM 29265N108 13,368 185,052 SH   SOLE   176,314 0 8,738
ENERGY TRANSFER PRTNRS L P UNI COM 29273R109 170,022 2,657,007 SH   SOLE   2,550,110 0 106,897
ENERGY TRANSFER EQUITY L P COM COM 29273V100 427,959 6,937,253 SH   SOLE   6,738,330 0 198,923
ENERPLUS CORP COM ADR 292766102 923 48,643 SH   SOLE   48,643 0 0
ENLINK MIDSTREAM LLC COM UNIT COM 29336T100 14,750 356,884 SH   SOLE   341,894 0 14,990
ENLINK MIDSTREAM PARTNERS LP C COM 29336U107 35,355 1,161,090 SH   SOLE   1,152,651 0 8,439
ENTERGY CORP NEW COM COM 29364G103 1,001 12,945 SH   SOLE   12,945 0 0
ENTERPRISE PRODS PARTNERS L P COM 293792107 606,107 15,039,861 SH   SOLE   14,729,008 0 310,853
ERICSSON ADR B SEK 10 ADR 294821608 3,800 301,806 SH   SOLE   295,524 0 6,282
FNB CORP PA COM COM 302520101 257 21,462 SH   SOLE   0 0 21,462
FIRST NIAGARA FINL GP INC COM COM 33582V108 361 43,291 SH   SOLE   0 0 43,291
FLUOR CORP NEW COM COM 343412102 17,685 264,788 SH   SOLE   196,428 0 68,360
FREEPORT-MCMORAN INC CL B COM 35671D857 7,925 242,715 SH   SOLE   226,383 0 16,332
GEO GROUP INC NEW COM COM 36162J106 1,037 27,129 SH   SOLE   27,129 0 0
GAP INC DEL COM COM 364760108 3,332 79,922 SH   SOLE   32,647 0 47,275
GENERAL ELECTRIC CO COM COM 369604103 134,131 5,235,379 SH   SOLE   4,668,157 0 567,222
GENESIS ENERGY L P UNIT LTD PA COM 371927104 86,078 1,635,220 SH   SOLE   1,623,406 0 11,814
GLAXOSMITHKLINE PLC SPONSORED ADR 37733W105 73,187 1,592,058 SH   SOLE   1,432,072 0 159,986
GREAT PLAINS ENERGY INC COM COM 391164100 1,746 72,251 SH   SOLE   70,797 0 1,454
HCP INC COM COM 40414L109 59,435 1,496,734 SH   SOLE   1,328,444 0 168,290
HALLIBURTON CO COM COM 406216101 12,141 188,199 SH   SOLE   143,096 0 45,103
HANOVER INS GROUP INC COM COM 410867105 427 6,951 SH   SOLE   0 0 6,951
HI-CRUSH PARTNERS LP COM UNIT COM 428337109 2,174 42,166 SH   SOLE   34,122 0 8,044
HOSPITALITY PPTYS TR COM SH BE COM 44106M102 26,519 987,645 SH   SOLE   852,783 0 134,862
IDACORP INC COM COM 451107106 2,047 38,181 SH   SOLE   37,417 0 764
INTEL CORP COM COM 458140100 160,423 4,607,191 SH   SOLE   4,144,193 0 462,998
INTEGRYS ENERGY GROUP INC COM COM 45822P105 1,935 29,848 SH   SOLE   29,252 0 596
INTERCONTINENTAL EXCHANGE INC COM 45866F104 510 2,616 SH   SOLE   0 0 2,616
ISHARES TR SELECT DIVID ETF COM 464287168 754 10,202 SH   SOLE   10,147 0 55
ISHARES USA ESG SLCT ETF COM 464288802 1,643 19,966 SH   SOLE   19,966 0 0
ITC HLDGS CORP COM COM 465685105 5,587 156,807 SH   SOLE   94,167 0 62,640
JPMORGAN CHASE & CO COM COM 46625H100 694 11,523 SH   SOLE   0 0 11,523
JPMORGAN CHASE & CO ALERIAN ML COM 46625H365 224 4,229 SH   SOLE   4,218 0 11
JOHNSON & JOHNSON COM COM 478160104 106,219 996,526 SH   SOLE   893,521 0 103,005
KEMPER CORP DEL COM COM 488401100 462 13,537 SH   SOLE   0 0 13,537
KINDER MORGAN ENERGY PARTNERS COM 494550106 217,410 2,330,729 SH   SOLE   2,263,894 0 66,835
KINDER MORGAN MANAGEMENT LLC S COM 49455U100 1,813 19,251 SH   SOLE   19,251 0 0
KINDER MORGAN INC DEL COM COM 49456B101 97,592 2,545,436 SH   SOLE   2,132,376 0 413,060
L BRANDS INC COM COM 501797104 4,062 60,646 SH   SOLE   23,917 0 36,729
LAMAR ADVERTISING CO CL A COM 512815101 65,848 1,337,026 SH   SOLE   1,201,037 0 135,989
LASALLE HOTEL PPTYS COM SH BEN COM 517942108 928 27,111 SH   SOLE   27,111 0 0
LINNCO LLC COMSHS LTD INT COM 535782106 29,241 1,010,042 SH   SOLE   887,371 0 122,671
LINN ENERGY LLC UNIT LTD LIAB COM 536020100 114,998 3,815,455 SH   SOLE   3,711,308 0 104,147
MDU RES GROUP INC COM COM 552690109 15,009 539,706 SH   SOLE   463,536 0 76,170
MACQUARIE INFRASTR CO LLC MEMB COM 55608B105 6,321 94,770 SH   SOLE   93,361 0 1,409
MAGELLAN MIDSTREAM PRTNRS LP C COM 559080106 221,347 2,629,446 SH   SOLE   2,597,621 0 31,825
MARKWEST ENERGY PARTNERS L P U COM 570759100 154,481 2,010,952 SH   SOLE   1,995,508 0 15,444
MASTEC INC COM COM 576323109 2,178 71,124 SH   SOLE   69,736 0 1,388
MATTEL INC COM COM 577081102 38,486 1,255,649 SH   SOLE   1,137,387 0 118,262
MAXIM INTEGRATED PRODS INC COM COM 57772K101 49,365 1,632,445 SH   SOLE   1,463,245 0 169,200
MEDTRONIC INC COM COM 585055106 3,238 52,263 SH   SOLE   5,567 0 46,696
MERCK & CO INC NEW COM COM 58933Y105 105,619 1,781,701 SH   SOLE   1,593,115 0 188,586
METHANEX CORP COM COM 59151K108 7,553 113,065 SH   SOLE   105,460 0 7,605
METLIFE INC COM COM 59156R108 3,703 68,933 SH   SOLE   7,949 0 60,984
MICROSOFT CORP COM COM 594918104 95,655 2,063,287 SH   SOLE   1,850,904 0 212,383
MICROCHIP TECHNOLOGY INC COM COM 595017104 65,422 1,385,178 SH   SOLE   1,237,036 0 148,142
NATIONAL FUEL GAS CO N J COM COM 636180101 14,918 213,141 SH   SOLE   184,225 0 28,916
NATIONAL GRID PLC SPON ADR NEW ADR 636274300 29,149 405,524 SH   SOLE   367,029 0 38,495
NATIONAL OILWELL VARCO INC COM COM 637071101 2,385 31,335 SH   SOLE   3,810 0 27,525
NEWFIELD EXPL CO COM COM 651290108 597 16,113 SH   SOLE   16,113 0 0
NEXTERA ENERGY INC COM COM 65339F101 1,470 15,662 SH   SOLE   15,356 0 306
NISOURCE INC COM COM 65473P105 93,478 2,281,085 SH   SOLE   2,019,289 0 261,796
NORTHEAST UTILS COM COM 664397106 4,798 108,303 SH   SOLE   105,627 0 2,676
NORTHSTAR RLTY FIN CORP COM NE COM 66704R704 472 26,689 SH   SOLE   26,689 0 0
NORTHSTAR ASSET MGMT GROUP INC COM 66705Y104 492 26,689 SH   SOLE   26,689 0 0
NORTHWESTERN CORP COM NEW COM 668074305 2,461 54,259 SH   SOLE   53,186 0 1,073
NOVARTIS A G SPONSORED ADR ADR 66987V109 67,809 720,373 SH   SOLE   669,832 0 50,541
NUCOR CORP COM COM 670346105 5,208 95,948 SH   SOLE   92,048 0 3,900
OGE ENERGY CORP COM COM 670837103 2,193 59,106 SH   SOLE   57,912 0 1,194
OMEGA HEALTHCARE INVS INC COM COM 681936100 35,123 1,027,272 SH   SOLE   927,514 0 99,758
ONE GAS INC COM COM 68235P108 10,056 293,581 SH   SOLE   262,321 0 31,260
ONEOK INC NEW COM COM 682680103 62,047 946,573 SH   SOLE   837,615 0 108,958
ONEOK PARTNERS LP UNIT LTD PAR COM 68268N103 158,427 2,831,087 SH   SOLE   2,760,962 0 70,125
ORACLE CORP COM COM 68389X105 3,211 83,873 SH   SOLE   8,722 0 75,151
ORMAT TECHNOLOGIES INC COM COM 686688102 1,902 72,404 SH   SOLE   71,009 0 1,395
OTTER TAIL CORP COM COM 689648103 1,566 58,736 SH   SOLE   57,562 0 1,174
PDC ENERGY INC COM COM 69327R101 415 8,257 SH   SOLE   8,257 0 0
PNC FINL SVCS GROUP INC COM COM 693475105 328 3,834 SH   SOLE   0 0 3,834
PNM RES INC COM COM 69349H107 2,639 105,939 SH   SOLE   103,818 0 2,121
PPL CORP COM COM 69351T106 1,700 51,781 SH   SOLE   50,733 0 1,048
PEMBINA PIPELINE CORP COM ADR 706327103 18,402 436,694 SH   SOLE   377,849 0 58,845
PEOPLES UNITED FINANCIAL INC C COM 712704105 20,046 1,385,373 SH   SOLE   1,183,408 0 201,965
PEPSICO INC COM COM 713448108 2,328 25,008 SH   SOLE   2,674 0 22,334
PFIZER INC COM COM 717081103 56,297 1,903,832 SH   SOLE   1,704,712 0 199,120
PIEDMONT NAT GAS INC COM COM 720186105 7,387 220,305 SH   SOLE   208,667 0 11,638
PLAINS ALL AMERN PIPELINE L P COM 726503105 239,271 4,065,101 SH   SOLE   3,976,947 0 88,154
PLAINS GP HLDGS L P SHS A REP COM 72651A108 8,240 268,842 SH   SOLE   251,243 0 17,599
PORTLAND GEN ELEC CO COM NEW COM 736508847 1,292 40,234 SH   SOLE   39,416 0 818
POTASH CORP SASK INC COM ADR 73755L107 46,486 1,345,081 SH   SOLE   1,155,276 0 189,805
PRINCIPAL FINL GROUP INC COM COM 74251V102 2,694 51,347 SH   SOLE   5,462 0 45,885
PROSPERITY BANCSHARES INC COM COM 743606105 756 13,218 SH   SOLE   0 0 13,218
PROTECTIVE LIFE CORP COM COM 743674103 957 13,788 SH   SOLE   0 0 13,788
QEP RES INC COM COM 74733V100 5,327 173,075 SH   SOLE   144,946 0 28,129
QUALCOMM INC COM COM 747525103 10,119 135,338 SH   SOLE   69,750 0 65,588
QUANTA SVCS INC COM COM 74762E102 5,753 158,527 SH   SOLE   118,886 0 39,641
QUESTAR CORP COM COM 748356102 17,181 770,809 SH   SOLE   651,168 0 119,641
RANGE RES CORP COM COM 75281A109 7,738 114,110 SH   SOLE   106,407 0 7,703
REGAL ENTMT GROUP CL A COM 758766109 959 48,222 SH   SOLE   48,222 0 0
REGENCY ENERGY PARTNERS L P CO COM 75885Y107 73,560 2,255,069 SH   SOLE   2,238,377 0 16,692
ROYAL DUTCH SHELL PLC SPON ADR ADR 780259107 842 10,645 SH   SOLE   10,645 0 0
SM ENERGY CO COM COM 78454L100 894 11,459 SH   SOLE   11,459 0 0
SCHLUMBERGER LTD COM COM 806857108 3,480 34,217 SH   SOLE   3,659 0 30,558
SEMPRA ENERGY COM COM 816851109 1,508 14,310 SH   SOLE   14,005 0 305
SENIOR HSG PPTYS TR SH BEN INT COM 81721M109 25,221 1,205,564 SH   SOLE   1,082,770 0 122,794
SOUTHWESTERN ENERGY CO COM 845467109 5,790 165,670 SH   SOLE   154,603 0 11,067
SPECTRA ENERGY CORP COM COM 847560109 77,823 1,982,231 SH   SOLE   1,731,066 0 251,165
STONE ENERGY CORP COM 861642106 884 28,176 SH   SOLE   28,176 0 0
SUNOCO LOGISTICS PRTNRS L P CO COM 86764L108 1,948 40,362 SH   SOLE   40,362 0 0
TECO ENERGY INC COM COM 872375100 1,127 64,870 SH   SOLE   63,592 0 1,278
TAL INTL GROUP INC COM COM 874083108 914 22,159 SH   SOLE   22,159 0 0
TARGA RESOURCES PARTNERS LP CO COM 87611X105 84,745 1,171,313 SH   SOLE   1,162,701 0 8,612
TARGET CORP COM COM 87612E106 867 13,826 SH   SOLE   13,826 0 0
TARGA RES CORP COM COM 87612G101 15,596 114,533 SH   SOLE   107,708 0 6,825
TELEPHONE & DATA SYS INC COM N COM 879433829 7,448 310,841 SH   SOLE   257,954 0 52,887
TELSTRA CORP LTD SPON ADR FINA ADR 87969N204 888 38,296 SH   SOLE   38,296 0 0
TOTAL S A SPONSORED ADR ADR 89151E109 915 14,197 SH   SOLE   14,197 0 0
TRIANGLE CAP CORP COM COM 895848109 900 35,540 SH   SOLE   35,540 0 0
TRINITY INDS INC COM COM 896522109 12,185 260,809 SH   SOLE   241,162 0 19,647
UGI CORP NEW COM COM 902681105 15,527 455,461 SH   SOLE   368,697 0 86,764
UIL HLDG CORP COM COM 902748102 14,158 399,940 SH   SOLE   382,518 0 17,422
US BANCORP DEL COM NEW COM 902973304 657 15,709 SH   SOLE   0 0 15,709
U S SILICA HLDGS INC COM COM 90346E103 5,038 80,601 SH   SOLE   80,601 0 0
UNITED BANKSHARES INC WEST VA COM 909907107 231 7,457 SH   SOLE   0 0 7,457
VENTAS INC COM COM 92276F100 25,875 417,688 SH   SOLE   358,026 0 59,662
VEOLIA ENVIRONNEMENT SPONSORED ADR 92334N103 5,102 290,726 SH   SOLE   224,100 0 66,626
VERIZON COMMUNICATIONS INC COM COM 92343V104 42,524 850,655 SH   SOLE   763,701 0 86,954
VISA INC COM CL A COM 92826C839 858 4,022 SH   SOLE   0 0 4,022
VODAFONE GROUP PLC NEW SPNSR A ADR 92857W308 52,164 1,586,020 SH   SOLE   1,409,553 0 176,467
WGL HLDGS INC COM COM 92924F106 9,427 223,812 SH   SOLE   179,238 0 44,574
WASTE CONNECTIONS INC COM COM 941053100 7,416 152,843 SH   SOLE   142,654 0 10,189
WEYERHAEUSER CO COM COM 962166104 32,662 1,025,167 SH   SOLE   916,719 0 108,448
WHITING PETE CORP NEW COM COM 966387102 8,026 103,496 SH   SOLE   97,158 0 6,338
WILLIAMS COS INC DEL COM COM 969457100 191,517 3,460,125 SH   SOLE   3,019,366 0 440,759
WILLIAMS PARTNERS L P COM UNIT COM 96950F104 95,833 1,806,477 SH   SOLE   1,793,031 0 13,446
XEROX CORP COM COM 984121103 3,526 266,483 SH   SOLE   29,125 0 237,358
EATON CORP PLC SHS COM G29183103 57,442 906,468 SH   SOLE   787,214 0 119,254
ENSCO PLC SHS CLASS A COM G3157S106 38,085 921,951 SH   SOLE   806,787 0 115,164
SEADRILL LIMITED SHS ADR G7945E105 35,967 1,344,055 SH   SOLE   1,205,230 0 138,825
SEAGATE TECHNOLOGY PLC SHS COM G7945M107 68,252 1,191,742 SH   SOLE   1,068,996 0 122,746
GOLAR LNG LTD BERMUDA SHS COM G9456A100 59,071 889,622 SH   SOLE   804,889 0 84,733
XL GROUP PLC SHS ADR G98290102 813 24,522 SH   SOLE   0 0 24,522
ACE LTD SHS COM H0023R105 436 4,161 SH   SOLE   0 0 4,161
LYONDELLBASELL INDUSTRIES N V ADR N53745100 7,998 73,603 SH   SOLE   68,679 0 4,924