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 1,134 24,001 SH   SOLE   23,364 0 637
AES CORP COM COM 00130H105 1,610 110,969 SH   SOLE   110,969 0 0
AT&T INC COM COM 00206R102 67,304 1,914,201 SH   SOLE   1,730,045 0 184,156
ACCESS MIDSTREAM PARTNERS L P COM 00434L109 18,201 321,695 SH   SOLE   318,907 0 2,788
AMERICAN EXPRESS CO COM COM 025816109 4,196 46,243 SH   SOLE   5,165 0 41,078
AMERICAN INTL GROUP INC COM NE COM 026874784 2,994 58,644 SH   SOLE   6,516 0 52,128
AMERICAN TOWER CORP NEW COM COM 03027X100 3,306 41,422 SH   SOLE   30,947 0 10,475
AMERICAN WTR WKS CO INC NEW CO COM 030420103 94,492 2,235,968 SH   SOLE   1,998,716 0 237,252
AMERIGAS PARTNERS L P UNIT L P COM 030975106 15,906 356,868 SH   SOLE   353,803 0 3,065
AMGEN INC COM COM 031162100 3,616 31,694 SH   SOLE   3,828 0 27,866
ANADARKO PETE CORP COM COM 032511107 2,659 33,524 SH   SOLE   30,127 0 3,397
APPLE INC COM COM 037833100 2,349 4,187 SH   SOLE   492 0 3,695
ARES CAP CORP COM COM 04010L103 15,935 896,692 SH   SOLE   825,293 0 71,399
ARRIS GROUP INC NEW COM COM 04270V106 3,458 142,070 SH   SOLE   138,792 0 3,278
ATLAS PIPELINE PARTNERS LP UNI COM 049392103 956 27,265 SH   SOLE   27,265 0 0
ATMOS ENERGY CORP COM COM 049560105 620 13,647 SH   SOLE   13,272 0 375
BCE INC COM NEW ADR 05534B760 26,896 621,282 SH   SOLE   559,802 0 61,480
BOK FINL CORP COM NEW COM 05561Q201 958 14,440 SH   SOLE   0 0 14,440
BANK MONTREAL QUE COM COM 063671101 51,230 768,526 SH   SOLE   666,723 0 101,803
BAXTER INTL INC COM COM 071813109 56,190 807,899 SH   SOLE   723,365 0 84,534
BLACK HILLS CORP COM COM 092113109 5,610 106,841 SH   SOLE   99,591 0 7,250
CME GROUP INC COM COM 12572Q105 87,058 1,109,575 SH   SOLE   959,566 0 150,009
CA INC COM COM 12673P105 59,899 1,780,041 SH   SOLE   1,594,366 0 185,675
CABOT OIL & GAS CORP COM COM 127097103 1,029 26,543 SH   SOLE   26,543 0 0
CAMERON INTERNATIONAL CORP COM COM 13342B105 1,365 22,933 SH   SOLE   22,933 0 0
CENTERPOINT ENERGY INC COM COM 15189T107 3,752 161,869 SH   SOLE   141,818 0 20,051
CHICAGO BRIDGE & IRON CO N V C ADR 167250109 3,856 46,379 SH   SOLE   38,621 0 7,758
CISCO SYS INC COM COM 17275R102 56,368 2,513,020 SH   SOLE   2,145,956 0 367,064
CITIGROUP INC NEW CTRAKS ETN M COM 17321F201 1,154 44,064 SH   SOLE   44,064 0 0
COACH INC COM COM 189754104 1,679 29,914 SH   SOLE   2,953 0 26,961
CONCHO RES INC COM COM 20605P101 4,696 43,477 SH   SOLE   39,992 0 3,485
CONTINENTAL RESOURCES INC COM 212015101 4,790 42,570 SH   SOLE   38,954 0 3,616
CORNING INC COM COM 219350105 6,925 388,622 SH   SOLE   253,867 0 134,755
COVANTA HLDG CORP COM COM 22282E102 5,878 331,136 SH   SOLE   257,590 0 73,546
CROSSTEX ENERGY INC COM COM 22765Y104 2,745 75,925 SH   SOLE   75,120 0 805
CULLEN FROST BANKERS INC COM COM 229899109 886 11,900 SH   SOLE   0 0 11,900
CUMMINS INC COM COM 231021106 3,219 22,836 SH   SOLE   2,551 0 20,285
DENBURY RES INC COM NEW COM 247916208 548 33,359 SH   SOLE   33,359 0 0
DEVON ENERGY CORP NEW COM COM 25179M103 4,466 72,186 SH   SOLE   46,019 0 26,167
DIGITAL RLTY TR INC COM COM 253868103 59,520 1,211,716 SH   SOLE   1,081,546 0 130,170
DISCOVER FINL SVCS COM COM 254709108 4,410 78,813 SH   SOLE   7,446 0 71,367
DOW CHEM CO COM COM 260543103 3,156 71,091 SH   SOLE   62,402 0 8,689
E M C CORP MASS COM COM 268648102 3,107 123,541 SH   SOLE   12,172 0 111,369
EOG RES INC COM COM 26875P101 5,357 31,920 SH   SOLE   28,530 0 3,390
EQT CORP COM COM 26884L109 13,535 150,758 SH   SOLE   125,102 0 25,656
EQT MIDSTREAM PARTNERS LP UNIT COM 26885B100 22,834 388,408 SH   SOLE   385,161 0 3,247
EV ENERGY PARTNERS LP COM UNIT COM 26926V107 20,559 605,917 SH   SOLE   589,777 0 16,140
EASTMAN CHEM CO COM COM 277432100 3,476 43,073 SH   SOLE   43,073 0 0
EDISON INTL COM COM 281020107 1,920 41,473 SH   SOLE   40,358 0 1,115
EL PASO PIPELINE PARTNERS L P COM 283702108 53,136 1,476,022 SH   SOLE   1,441,818 0 34,204
EMPIRE DIST ELEC CO COM COM 291641108 845 37,234 SH   SOLE   36,230 0 1,004
ENCANA CORP COM ADR 292505104 1,059 58,695 SH   SOLE   57,104 0 1,591
ENBRIDGE INC COM ADR 29250N105 1,319 30,186 SH   SOLE   30,186 0 0
ENBRIDGE ENERGY PARTNERS L P C COM 29250R106 43,015 1,440,055 SH   SOLE   1,427,640 0 12,415
ENBRIDGE ENERGY MANAGEMENT LLC COM 29250X103 2,228 77,676 SH   SOLE   76,921 0 755
ENERGEN CORP COM COM 29265N108 8,440 119,291 SH   SOLE   111,417 0 7,874
ENERGY TRANSFER PRTNRS L P UNI COM 29273R109 139,997 2,445,368 SH   SOLE   2,339,164 0 106,204
ENERGY TRANSFER EQUITY L P COM COM 29273V100 253,429 3,100,418 SH   SOLE   3,001,244 0 99,174
ENERPLUS CORP COM ADR 292766102 750 41,242 SH   SOLE   41,242 0 0
ENTERGY CORP NEW COM COM 29364G103 591 9,348 SH   SOLE   9,348 0 0
ENTERPRISE PRODS PARTNERS L P COM 293792107 453,444 6,839,279 SH   SOLE   6,683,117 0 156,162
EXELON CORP COM COM 30161N101 566 20,676 SH   SOLE   20,118 0 558
FNB CORP PA COM COM 302520101 543 43,044 SH   SOLE   0 0 43,044
FIRST NIAGARA FINL GP INC COM COM 33582V108 922 86,823 SH   SOLE   0 0 86,823
FLUOR CORP NEW COM COM 343412102 14,529 180,953 SH   SOLE   113,470 0 67,483
GEO GROUP INC COM COM 36159R103 632 19,608 SH   SOLE   19,608 0 0
GAP INC DEL COM COM 364760108 2,048 52,408 SH   SOLE   5,833 0 46,575
GENERAL ELECTRIC CO COM COM 369604103 155,688 5,554,341 SH   SOLE   4,923,893 0 630,448
GENESIS ENERGY L P UNIT LTD PA COM 371927104 109,235 2,077,908 SH   SOLE   2,060,020 0 17,888
GLAXOSMITHKLINE PLC SPONSORED ADR 37733W105 81,015 1,517,410 SH   SOLE   1,360,139 0 157,271
GREAT PLAINS ENERGY INC COM COM 391164100 1,310 54,054 SH   SOLE   52,592 0 1,462
HCP INC COM COM 40414L109 38,879 1,070,472 SH   SOLE   956,104 0 114,368
HALLIBURTON CO COM COM 406216101 5,928 116,805 SH   SOLE   73,090 0 43,715
HANOVER INS GROUP INC COM COM 410867105 832 13,940 SH   SOLE   0 0 13,940
HI-CRUSH PARTNERS LP COM UNIT COM 428337109 1,509 39,724 SH   SOLE   25,855 0 13,869
HOLLYFRONTIER CORP COM COM 436106108 2,244 45,163 SH   SOLE   38,882 0 6,281
HOSPITALITY PPTYS TR COM SH BE COM 44106M102 25,649 948,899 SH   SOLE   816,803 0 132,096
IDACORP INC COM COM 451107106 1,474 28,426 SH   SOLE   27,662 0 764
INTEL CORP COM COM 458140100 128,282 4,942,498 SH   SOLE   4,422,920 0 519,578
INTEGRYS ENERGY GROUP INC COM COM 45822P105 1,217 22,366 SH   SOLE   21,767 0 599
INTERCONTINENTALEXCHANGE GROUP COM 45866F104 1,180 5,246 SH   SOLE   0 0 5,246
INTL PAPER CO COM COM 460146103 64,659 1,318,773 SH   SOLE   1,166,572 0 152,201
ISHARES SELECT DIVID ETF COM 464287168 9,910 138,887 SH   SOLE   138,187 0 700
ISHARES USA ESG SLCT ETF COM 464288802 1,709 22,273 SH   SOLE   22,273 0 0
ITC HLDGS CORP COM COM 465685105 6,356 66,330 SH   SOLE   44,953 0 21,377
JPMORGAN CHASE & CO COM COM 46625H100 1,351 23,110 SH   SOLE   0 0 23,110
JPMORGAN CHASE & CO ALERIAN ML COM 46625H365 4,496 96,997 SH   SOLE   89,665 0 7,332
JOHNSON & JOHNSON COM COM 478160104 87,325 953,423 SH   SOLE   852,140 0 101,283
KEMPER CORP DEL COM COM 488401100 1,110 27,150 SH   SOLE   0 0 27,150
KINDER MORGAN ENERGY PARTNERS COM 494550106 173,763 2,154,267 SH   SOLE   2,088,713 0 65,554
KINDER MORGAN MANAGEMENT LLC S COM 49455U100 4,497 59,430 SH   SOLE   57,882 0 1,548
KINDER MORGAN INC DEL COM COM 49456B101 74,051 2,056,966 SH   SOLE   1,661,665 0 395,301
LINNCO LLC COMSHS LTD INT COM 535782106 18,626 604,537 SH   SOLE   521,173 0 83,364
LINN ENERGY LLC UNIT LTD LIAB COM 536020100 74,644 2,424,298 SH   SOLE   2,378,884 0 45,414
MDU RES GROUP INC COM COM 552690109 13,569 444,141 SH   SOLE   370,065 0 74,076
MAGELLAN MIDSTREAM PRTNRS LP C COM 559080106 124,541 1,968,396 SH   SOLE   1,939,179 0 29,217
MARKWEST ENERGY PARTNERS L P U COM 570759100 116,346 1,759,349 SH   SOLE   1,743,643 0 15,706
MAXIM INTEGRATED PRODS INC COM COM 57772K101 43,068 1,543,650 SH   SOLE   1,377,244 0 166,406
MERCK & CO INC NEW COM COM 58933Y105 127,040 2,538,244 SH   SOLE   2,256,210 0 282,034
METLIFE INC COM COM 59156R108 3,733 69,236 SH   SOLE   8,252 0 60,984
MICROCHIP TECHNOLOGY INC COM COM 595017104 59,202 1,322,967 SH   SOLE   1,177,374 0 145,593
NATIONAL FUEL GAS CO N J COM COM 636180101 12,020 168,344 SH   SOLE   139,870 0 28,474
NATIONAL GRID PLC SPON ADR NEW ADR 636274300 64,006 979,881 SH   SOLE   895,103 0 84,778
NATIONAL OILWELL VARCO INC COM COM 637071101 2,494 31,355 SH   SOLE   3,533 0 27,822
NEWFIELD EXPL CO COM COM 651290108 338 13,716 SH   SOLE   13,716 0 0
NISOURCE INC COM COM 65473P105 113,926 3,464,907 SH   SOLE   3,083,102 0 381,805
NORTHEAST UTILS COM COM 664397106 1,038 24,481 SH   SOLE   23,737 0 744
NORTHSTAR RLTY FIN CORP COM COM 66704R100 838 62,317 SH   SOLE   62,317 0 0
NUCOR CORP COM COM 670346105 2,077 38,912 SH   SOLE   35,630 0 3,282
OGE ENERGY CORP COM COM 670837103 1,491 43,968 SH   SOLE   42,774 0 1,194
OMEGA HEALTHCARE INVS INC COM COM 681936100 40,447 1,357,293 SH   SOLE   1,205,125 0 152,168
ONEOK INC NEW COM COM 682680103 69,016 1,109,938 SH   SOLE   967,691 0 142,247
ONEOK PARTNERS LP UNIT LTD PAR COM 68268N103 133,730 2,539,983 SH   SOLE   2,470,943 0 69,040
ORACLE CORP COM COM 68389X105 3,179 83,080 SH   SOLE   7,929 0 75,151
PDC ENERGY INC COM COM 69327R101 374 7,030 SH   SOLE   7,030 0 0
PNC FINL SVCS GROUP INC COM COM 693475105 597 7,689 SH   SOLE   0 0 7,689
PPL CORP COM COM 69351T106 1,166 38,760 SH   SOLE   37,706 0 1,054
PEMBINA PIPELINE CORP COM ADR 706327103 14,859 421,766 SH   SOLE   364,163 0 57,603
PEOPLES UNITED FINANCIAL INC C COM 712704105 20,118 1,330,544 SH   SOLE   1,109,642 0 220,902
PEPSICO INC COM COM 713448108 2,141 25,819 SH   SOLE   3,485 0 22,334
PFIZER INC COM COM 717081103 57,435 1,875,107 SH   SOLE   1,678,938 0 196,169
PIEDMONT NAT GAS INC COM COM 720186105 4,185 126,220 SH   SOLE   115,863 0 10,357
PLAINS ALL AMERN PIPELINE L P COM 726503105 182,751 3,530,050 SH   SOLE   3,443,433 0 86,617
PLAINS GP HLDGS L P SHS A REP COM 72651A108 2,981 111,350 SH   SOLE   96,506 0 14,844
PORTLAND GEN ELEC CO COM NEW COM 736508847 910 30,145 SH   SOLE   29,321 0 824
POTASH CORP SASK INC COM ADR 73755L107 58,547 1,776,299 SH   SOLE   1,542,582 0 233,717
PROSPERITY BANCSHARES INC COM COM 743606105 1,680 26,510 SH   SOLE   0 0 26,510
PROTECTIVE LIFE CORP COM COM 743674103 1,401 27,652 SH   SOLE   0 0 27,652
QEP RES INC COM COM 74733V100 2,833 92,427 SH   SOLE   64,298 0 28,129
QUALCOMM INC COM COM 747525103 10,893 146,703 SH   SOLE   80,653 0 66,050
QUANTA SVCS INC COM COM 74762E102 5,039 159,675 SH   SOLE   119,808 0 39,867
QUESTAR CORP COM COM 748356102 14,363 624,767 SH   SOLE   506,345 0 118,422
RANGE RES CORP COM COM 75281A109 6,130 72,711 SH   SOLE   65,054 0 7,657
REGAL ENTMT GROUP CL A COM 758766109 684 35,164 SH   SOLE   35,164 0 0
REGENCY ENERGY PARTNERS L P CO COM 75885Y107 52,153 1,986,042 SH   SOLE   1,968,944 0 17,098
ROCK-TENN CO CL A COM 772739207 2,619 24,937 SH   SOLE   2,900 0 22,037
ROYAL DUTCH SHELL PLC SPON ADR ADR 780259107 582 7,755 SH   SOLE   7,755 0 0
SM ENERGY CO COM COM 78454L100 810 9,743 SH   SOLE   9,743 0 0
SCHLUMBERGER LTD COM COM 806857108 3,099 34,389 SH   SOLE   3,831 0 30,558
SEMPRA ENERGY COM COM 816851109 963 10,730 SH   SOLE   10,425 0 305
SENIOR HSG PPTYS TR SH BEN INT COM 81721M109 25,131 1,130,470 SH   SOLE   1,011,024 0 119,446
SOUTHWESTERN ENERGY CO COM 845467109 3,048 77,487 SH   SOLE   68,063 0 9,424
SPECTRA ENERGY CORP COM COM 847560109 66,333 1,862,226 SH   SOLE   1,613,547 0 248,679
STAPLES INC COM COM 855030102 6 346 SH   SOLE   346 0 0
STONE ENERGY CORP COM 861642106 1,141 32,985 SH   SOLE   32,985 0 0
SUNOCO LOGISTICS PRTNRS L P CO COM 86764L108 2,195 29,077 SH   SOLE   29,077 0 0
SWIFT ENERGY CO COM 870738101 311 23,020 SH   SOLE   23,020 0 0
TECO ENERGY INC COM COM 872375100 799 46,352 SH   SOLE   45,074 0 1,278
TAL INTL GROUP INC COM COM 874083108 728 12,696 SH   SOLE   12,696 0 0
TARGA RESOURCES PARTNERS LP CO COM 87611X105 40,165 767,968 SH   SOLE   761,589 0 6,379
TARGA RES CORP COM COM 87612G101 7,194 81,589 SH   SOLE   75,390 0 6,199
TELEPHONE & DATA SYS INC COM N COM 879433829 7,470 289,767 SH   SOLE   236,493 0 53,274
TELSTRA CORP LTD SPON ADR FINA ADR 87969N204 654 27,880 SH   SOLE   27,880 0 0
TOTAL S A SPONSORED ADR ADR 89151E109 61,678 1,006,651 SH   SOLE   901,614 0 105,037
TRIANGLE CAP CORP COM COM 895848109 557 20,151 SH   SOLE   20,151 0 0
TRINITY INDS INC COM COM 896522109 3,372 61,843 SH   SOLE   51,045 0 10,798
TURKCELL ILETISIM HIZMETLERI S ADR 900111204 616 46,152 SH   SOLE   44,765 0 1,387
UGI CORP NEW COM COM 902681105 9,338 225,235 SH   SOLE   168,348 0 56,887
US BANCORP DEL COM NEW COM 902973304 1,273 31,505 SH   SOLE   0 0 31,505
U S SILICA HLDGS INC COM COM 90346E103 1,478 43,321 SH   SOLE   43,321 0 0
UNITED BANKSHARES INC WEST VA COM 909907107 470 14,956 SH   SOLE   0 0 14,956
VENTAS INC COM COM 92276F100 20,713 361,608 SH   SOLE   331,151 0 30,457
VEOLIA ENVIRONNEMENT SPONSORED ADR 92334N103 1,769 108,143 SH   SOLE   73,123 0 35,020
VERIZON COMMUNICATIONS INC COM COM 92343V104 3,836 78,056 SH   SOLE   76,046 0 2,010
VISA INC COM CL A COM 92826C839 1,796 8,067 SH   SOLE   0 0 8,067
VODAFONE GROUP PLC NEW SPONS A ADR 92857W209 135,241 3,440,379 SH   SOLE   3,069,817 0 370,562
WGL HLDGS INC COM COM 92924F106 813 20,296 SH   SOLE   19,742 0 554
WHITING PETE CORP NEW COM COM 966387102 2,976 48,101 SH   SOLE   41,682 0 6,419
WILLIAMS COS INC DEL COM COM 969457100 138,098 3,580,460 SH   SOLE   3,093,831 0 486,629
WILLIAMS PARTNERS L P COM UNIT COM 96950F104 81,739 1,607,143 SH   SOLE   1,587,167 0 19,976
XEROX CORP COM COM 984121103 4,783 392,995 SH   SOLE   44,572 0 348,423
ENSCO PLC SHS CLASS A COM G3157S106 54,498 953,082 SH   SOLE   838,152 0 114,930
SEADRILL LIMITED SHS ADR G7945E105 85,087 2,071,246 SH   SOLE   1,856,324 0 214,922
GOLAR LNG LTD BERMUDA SHS COM G9456A100 29,310 807,673 SH   SOLE   724,432 0 83,241
XL GROUP PLC SHS ADR G98290102 1,566 49,180 SH   SOLE   0 0 49,180
ACE LTD SHS COM H0023R105 864 8,345 SH   SOLE   0 0 8,345