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
ABBOTT LABS COM COM 002824100 64,985 1,653,145 SH   SOLE   1,590,016 0 63,129
ABBVIE INC COM COM 00287Y109 115,164 1,860,184 SH   SOLE   1,790,034 0 70,150
ACCENTURE PLC IRELAND SHS CLAS COM G1151C101 4,276 37,743 SH   SOLE   957 0 36,786
AES CORP COM COM 00130H105 7,524 602,863 SH   SOLE   491,657 0 111,206
ALASKA AIR GROUP INC COM COM 011659109 2,521 43,242 SH   SOLE   1,106 0 42,136
ALLERGAN PLC SHS COM G0177J108 1,771 7,663 SH   SOLE   145 0 7,518
ALLIANT ENERGY CORP COM COM 018802108 1,623 40,870 SH   SOLE   33,384 0 7,486
AMERICAN INTL GROUP INC COM NE COM 026874784 941 17,789 SH   SOLE   1,411 0 16,378
AMERICAN TOWER CORP NEW COM COM 03027X100 5,270 46,386 SH   SOLE   38,572 0 7,814
AMGEN INC COM COM 031162100 1,102 7,240 SH   SOLE   589 0 6,651
ANADARKO PETE CORP COM COM 032511107 7,559 141,957 SH   SOLE   130,358 0 11,599
APPLE INC COM COM 037833100 2,798 29,263 SH   SOLE   707 0 28,556
APPLIED MATLS INC COM COM 038222105 4,300 179,389 SH   SOLE   4,311 0 175,078
AQUA AMERICA INC COM COM 03836W103 7,207 202,099 SH   SOLE   185,459 0 16,640
ARES CAP CORP COM COM 04010L103 4,876 343,373 SH   SOLE   343,373 0 0
ARRIS INTL INC SHS COM G0551A103 2,150 102,600 SH   SOLE   87,669 0 14,931
AT&T INC COM COM 00206R102 119,006 2,754,128 SH   SOLE   2,648,805 0 105,323
ATMOS ENERGY CORP COM COM 049560105 1,345 16,538 SH   SOLE   13,404 0 3,134
AVANGRID INC COM COM 05351W103 9,282 201,526 SH   SOLE   167,053 0 34,473
BANK MONTREAL QUE COM COM 063671101 51,623 814,373 SH   SOLE   780,304 0 34,069
BLACK HILLS CORP COM COM 092113109 6,606 104,791 SH   SOLE   92,588 0 12,203
BLACKROCK INC COM COM 09247X101 1,543 4,504 SH   SOLE   293 0 4,211
BLACKSTONE GROUP L P COM UNIT COM 09253U108 5,566 226,797 SH   SOLE   226,797 0 0
BRINKER INTL INC COM COM 109641100 2,819 61,913 SH   SOLE   4,318 0 57,595
CABOT OIL & GAS CORP COM COM 127097103 7,018 272,633 SH   SOLE   250,802 0 21,831
CALIFORNIA WTR SVC GROUP COM COM 130788102 1,689 48,363 SH   SOLE   39,185 0 9,178
CALLON PETE CO DEL COM COM 13123X102 4,153 369,778 SH   SOLE   334,581 0 35,197
CALPINE CORP COM NEW COM 131347304 8,200 555,922 SH   SOLE   502,035 0 53,887
CENTERPOINT ENERGY INC COM COM 15189T107 4,588 191,146 SH   SOLE   174,728 0 16,418
CERNER CORP COM COM 156782104 713 12,170 SH   SOLE   844 0 11,326
CHESAPEAKE UTILS CORP COM COM 165303108 1,321 19,962 SH   SOLE   17,043 0 2,919
CHUBB LIMITED COM COM H1467J104 381 2,918 SH   SOLE   0 0 2,918
CISCO SYS INC COM COM 17275R102 122,319 4,263,466 SH   SOLE   4,061,710 0 201,756
CME GROUP INC COM COM 12572Q105 60,824 624,481 SH   SOLE   601,913 0 22,568
COACH INC COM COM 189754104 91,640 2,249,380 SH   SOLE   2,163,130 0 86,250
COMCAST CORP NEW CL A COM 20030N101 787 12,068 SH   SOLE   979 0 11,089
CONCHO RES INC COM COM 20605P101 11,270 94,491 SH   SOLE   86,844 0 7,647
CONTINENTAL RESOURCES INC COM COM 212015101 1,309 28,915 SH   SOLE   28,915 0 0
CORE LABORATORIES N V COM COM N22717107 4,375 35,315 SH   SOLE   31,948 0 3,367
CORNING INC COM COM 219350105 3,886 189,739 SH   SOLE   156,812 0 32,927
CORRECTIONS CORP AMER NEW COM COM 22025Y407 6,772 193,374 SH   SOLE   193,374 0 0
COVANTA HLDG CORP COM COM 22282E102 23,565 1,432,499 SH   SOLE   1,379,575 0 52,924
CROWN CASTLE INTL CORP NEW COM COM 22822V101 2,174 21,438 SH   SOLE   21,062 0 376
DEVON ENERGY CORP NEW COM COM 25179M103 576 15,879 SH   SOLE   15,879 0 0
DIGITAL RLTY TR INC COM COM 253868103 117,859 1,081,377 SH   SOLE   1,041,263 0 40,114
DISCOVER FINL SVCS COM COM 254709108 344 6,428 SH   SOLE   0 0 6,428
DISH NETWORK CORP CL A COM 25470M109 3,275 62,508 SH   SOLE   53,610 0 8,898
DOMINION RES INC VA NEW COM COM 25746U109 12,862 165,049 SH   SOLE   134,489 0 30,560
DOMTAR CORP COM NEW COM 257559203 62,352 1,780,978 SH   SOLE   1,712,705 0 68,273
DOW CHEM CO COM COM 260543103 4,556 91,644 SH   SOLE   83,015 0 8,629
DUPONT FABROS TECHNOLOGY INC C COM 26613Q106 9,891 208,065 SH   SOLE   208,065 0 0
EATON CORP PLC SHS COM G29183103 54,216 907,681 SH   SOLE   864,656 0 43,025
EDISON INTL COM COM 281020107 1,929 24,831 SH   SOLE   20,077 0 4,754
ENERGEN CORP COM COM 29265N108 4,487 93,065 SH   SOLE   86,049 0 7,016
ENLINK MIDSTREAM LLC COM UNIT COM 29336T100 529 33,256 SH   SOLE   21,155 0 12,101
EOG RES INC COM COM 26875P101 1,061 12,723 SH   SOLE   12,723 0 0
EQT CORP COM COM 26884L109 13,656 176,367 SH   SOLE   159,913 0 16,454
EVERSOURCE ENERGY COM COM 30040W108 6,847 114,300 SH   SOLE   91,292 0 23,008
FEDEX CORP COM COM 31428X106 3,598 23,705 SH   SOLE   23,288 0 417
FIRST NIAGARA FINL GP INC COM COM 33582V108 296 30,364 SH   SOLE   0 0 30,364
FIRSTENERGY CORP COM COM 337932107 1,776 50,867 SH   SOLE   41,228 0 9,639
FLOWSERVE CORP COM COM 34354P105 8,344 184,723 SH   SOLE   167,661 0 17,062
FLUOR CORP NEW COM COM 343412102 5,548 112,581 SH   SOLE   110,554 0 2,027
FNB CORP PA COM COM 302520101 189 15,053 SH   SOLE   0 0 15,053
FOUR CORNERS PPTY TR INC COM COM 35086T109 5,497 266,957 SH   SOLE   266,957 0 0
GAP INC DEL COM COM 364760108 866 40,823 SH   SOLE   40,823 0 0
GENERAL ELECTRIC CO COM COM 369604103 112,290 3,567,041 SH   SOLE   3,415,255 0 151,786
GENERAL MTRS CO COM COM 37045V100 5,351 189,096 SH   SOLE   189,096 0 0
GEO GROUP INC NEW COM COM 36162J106 6,927 202,650 SH   SOLE   202,650 0 0
GILEAD SCIENCES INC COM COM 375558103 2,780 33,329 SH   SOLE   1,922 0 31,407
GOLUB CAP BDC INC COM COM 38173M102 2,382 131,803 SH   SOLE   131,803 0 0
GREAT PLAINS ENERGY INC COM COM 391164100 2,000 65,775 SH   SOLE   53,294 0 12,481
GULFPORT ENERGY CORP COM NEW COM 402635304 591 18,902 SH   SOLE   18,902 0 0
HANOVER INS GROUP INC COM COM 410867105 413 4,875 SH   SOLE   0 0 4,875
HARMAN INTL INDS INC COM COM 413086109 3,206 44,636 SH   SOLE   2,630 0 42,006
HERCULES CAPITAL INC COM COM 427096508 3,832 308,552 SH   SOLE   308,552 0 0
HOSPITALITY PPTYS TR COM SH BE COM 44106M102 33,384 1,159,153 SH   SOLE   1,152,190 0 6,963
HOST HOTELS & RESORTS INC COM COM 44107P104 24,311 1,499,748 SH   SOLE   1,490,428 0 9,320
IDACORP INC COM COM 451107106 1,986 24,414 SH   SOLE   19,706 0 4,708
INFRAREIT INC COM COM 45685L100 4,296 244,925 SH   SOLE   199,484 0 45,441
INTERCONTINENTAL EXCHANGE INC COM 45866F104 470 1,835 SH   SOLE   0 0 1,835
ITC HLDGS CORP COM COM 465685105 7,603 162,391 SH   SOLE   133,514 0 28,877
JOHNSON & JOHNSON COM COM 478160104 124,675 1,027,826 SH   SOLE   989,387 0 38,439
JOHNSON CTLS INC COM COM 478366107 98,815 2,232,600 SH   SOLE   2,147,679 0 84,921
KEMPER CORP DEL COM COM 488401100 294 9,495 SH   SOLE   0 0 9,495
KINDER MORGAN INC DEL COM COM 49456B101 16,400 876,057 SH   SOLE   743,637 0 132,420
L BRANDS INC COM COM 501797104 60,227 897,166 SH   SOLE   867,858 0 29,308
LAMAR ADVERTISING CO NEW CL A COM 512816109 73,986 1,115,923 SH   SOLE   1,077,327 0 38,596
LASALLE HOTEL PPTYS COM SH BEN COM 517942108 5,883 249,482 SH   SOLE   249,482 0 0
LAZARD LTD SHS A COM G54050102 1,534 51,500 SH   SOLE   51,500 0 0
MACQUARIE INFRASTRUCTURE CORP COM 55608B105 13,194 178,171 SH   SOLE   166,566 0 11,605
MAIN STREET CAPITAL CORP COM COM 56035L104 4,325 131,648 SH   SOLE   131,648 0 0
MARATHON PETE CORP COM COM 56585A102 10,072 265,343 SH   SOLE   234,491 0 30,852
MCBC HLDGS INC COM COM 55276F107 221 20,000 SH   SOLE   20,000 0 0
MDU RES GROUP INC COM COM 552690109 6,878 286,580 SH   SOLE   229,554 0 57,026
MEDTRONIC PLC SHS COM G5960L103 1,379 15,888 SH   SOLE   1,262 0 14,626
MEMORIAL RESOURCE DEV CORP COM COM 58605Q109 425 26,770 SH   SOLE   26,770 0 0
MERCK & CO INC NEW COM COM 58933Y105 106,626 1,850,830 SH   SOLE   1,785,136 0 65,694
MICROCHIP TECHNOLOGY INC COM COM 595017104 73,315 1,444,343 SH   SOLE   1,397,882 0 46,461
MICROSOFT CORP COM COM 594918104 82,456 1,611,421 SH   SOLE   1,553,171 0 58,250
MRC GLOBAL INC COM COM 55345K103 6,822 480,068 SH   SOLE   435,621 0 44,447
NATIONAL FUEL GAS CO N J COM COM 636180101 9,687 170,309 SH   SOLE   149,602 0 20,707
NEWFIELD EXPL CO COM COM 651290108 917 20,760 SH   SOLE   20,760 0 0
NEXTERA ENERGY INC COM COM 65339F101 7,707 59,103 SH   SOLE   52,347 0 6,756
NISOURCE INC COM COM 65473P105 1,927 72,660 SH   SOLE   50,792 0 21,868
NORTHWESTERN CORP COM NEW COM 668074305 1,674 26,541 SH   SOLE   21,521 0 5,020
OCCIDENTAL PETE CORP DEL COM COM 674599105 10,151 134,337 SH   SOLE   121,918 0 12,419
OGE ENERGY CORP COM COM 670837103 8,130 248,249 SH   SOLE   203,700 0 44,549
OMEGA HEALTHCARE INVS INC COM COM 681936100 35,649 1,050,039 SH   SOLE   1,019,604 0 30,435
ONE GAS INC COM COM 68235P108 1,593 23,924 SH   SOLE   19,374 0 4,550
ONEOK INC NEW COM COM 682680103 63,744 1,343,389 SH   SOLE   1,335,124 0 8,265
ORMAT TECHNOLOGIES INC COM COM 686688102 1,346 30,751 SH   SOLE   30,236 0 515
OTTER TAIL CORP COM COM 689648103 1,794 53,564 SH   SOLE   43,416 0 10,148
PACWEST BANCORP DEL COM COM 695263103 40,111 1,008,315 SH   SOLE   976,897 0 31,418
PATTERN ENERGY GROUP INC CL A COM 70338P100 11,284 491,239 SH   SOLE   461,469 0 29,770
PDC ENERGY INC COM COM 69327R101 613 10,633 SH   SOLE   10,633 0 0
PEOPLES UNITED FINANCIAL INC C COM 712704105 229 15,614 SH   SOLE   0 0 15,614
PEPSICO INC COM COM 713448108 788 7,438 SH   SOLE   608 0 6,830
PFIZER INC COM COM 717081103 107,492 3,052,896 SH   SOLE   2,937,867 0 115,029
PIONEER NAT RES CO COM COM 723787107 4,582 30,305 SH   SOLE   27,854 0 2,451
PLAINS GP HLDGS L P SHS A REP COM 72651A108 908 87,071 SH   SOLE   55,388 0 31,683
PNC FINL SVCS GROUP INC COM COM 693475105 219 2,689 SH   SOLE   0 0 2,689
PNM RES INC COM COM 69349H107 2,601 73,386 SH   SOLE   59,456 0 13,930
PORTLAND GEN ELEC CO COM NEW COM 736508847 1,615 36,598 SH   SOLE   29,652 0 6,946
PPL CORP COM COM 69351T106 6,871 182,026 SH   SOLE   173,059 0 8,967
PROCTER & GAMBLE CO COM COM 742718109 114,035 1,346,813 SH   SOLE   1,295,294 0 51,519
PROSPERITY BANCSHARES INC COM COM 743606105 473 9,271 SH   SOLE   0 0 9,271
QEP RES INC COM COM 74733V100 717 40,679 SH   SOLE   40,679 0 0
QUALCOMM INC COM COM 747525103 111,397 2,079,469 SH   SOLE   1,992,790 0 86,679
RANGE RES CORP COM COM 75281A109 8,049 186,575 SH   SOLE   170,515 0 16,060
REGAL ENTMT GROUP CL A COM 758766109 5,723 259,685 SH   SOLE   259,685 0 0
ROSS STORES INC COM COM 778296103 3,688 65,049 SH   SOLE   4,225 0 60,824
SBA COMMUNICATIONS CORP COM 78388J106 420 3,888 SH   SOLE   120 0 3,768
SCHLUMBERGER LTD COM COM 806857108 5,618 71,047 SH   SOLE   64,484 0 6,563
SEMGROUP CORP CL A COM 81663A105 396 12,161 SH   SOLE   7,735 0 4,426
SEMPRA ENERGY COM COM 816851109 9,809 86,027 SH   SOLE   76,513 0 9,514
SENIOR HSG PPTYS TR SH BEN INT COM 81721M109 25,249 1,212,134 SH   SOLE   1,170,994 0 41,140
SHERWIN WILLIAMS CO COM COM 824348106 3,989 13,582 SH   SOLE   813 0 12,769
SM ENERGY CO COM COM 78454L100 399 14,790 SH   SOLE   14,790 0 0
SMUCKER J M CO COM NEW COM 832696405 99,864 655,232 SH   SOLE   626,029 0 29,203
SOUTHWESTERN ENERGY CO COM 845467109 207 16,430 SH   SOLE   16,430 0 0
SPECTRA ENERGY CORP COM COM 847560109 122,248 3,337,371 SH   SOLE   3,204,452 0 132,919
TALLGRASS ENERGY GP LP SHS CL COM 874696107 849 37,607 SH   SOLE   23,921 0 13,686
TARGA RES CORP COM COM 87612G101 13,014 308,825 SH   SOLE   270,677 0 38,148
TELEPHONE & DATA SYS INC COM N COM 879433829 3,184 107,350 SH   SOLE   89,944 0 17,406
TORONTO DOMINION BK ONT COM NE COM 891160509 65,268 1,520,345 SH   SOLE   1,463,003 0 57,342
TRANSCANADA CORP COM COM 89353D107 1,443 31,901 SH   SOLE   13,386 0 18,515
UGI CORP NEW COM COM 902681105 13,063 288,678 SH   SOLE   247,907 0 40,771
UNITED PARCEL SERVICE INC CL B COM 911312106 66,514 617,468 SH   SOLE   595,865 0 21,603
US BANCORP DEL COM NEW COM 902973304 444 11,018 SH   SOLE   0 0 11,018
VENTAS INC COM COM 92276F100 36,250 497,808 SH   SOLE   494,734 0 3,074
VERIZON COMMUNICATIONS INC COM COM 92343V104 51,876 929,015 SH   SOLE   897,455 0 31,560
VISA INC COM CL A COM 92826C839 837 11,284 SH   SOLE   0 0 11,284
WASTE CONNECTIONS INC COM COM 94106B101 6,227 86,428 SH   SOLE   78,415 0 8,013
WEC ENERGY GROUP INC COM COM 92939U106 1,996 30,567 SH   SOLE   24,790 0 5,777
WELLS FARGO & CO NEW COM COM 949746101 57,756 1,220,290 SH   SOLE   1,169,350 0 50,940
WESTAR ENERGY INC COM COM 95709T100 2,122 37,836 SH   SOLE   30,706 0 7,130
WESTLAKE CHEM CORP COM COM 960413102 6,410 149,345 SH   SOLE   135,500 0 13,845
WEYERHAEUSER CO COM COM 962166104 127,384 4,278,937 SH   SOLE   4,113,172 0 165,765
WILLIAMS COS INC DEL COM COM 969457100 4,160 192,339 SH   SOLE   154,095 0 38,244
YUM BRANDS INC COM COM 988498101 729 8,789 SH   SOLE   460 0 8,329
AMERIGAS PARTNERS L P UNIT L P COM 030975106 29,433 630,259 SH   SOLE   617,015 0 13,244
BROOKFIELD INFRAST PARTNERS LP COM G16252101 4,345 96,007 SH   SOLE   96,007 0 0
BUCKEYE PARTNERS L P UNIT LTD COM 118230101 44,205 628,535 SH   SOLE   609,460 0 19,075
ENBRIDGE ENERGY PARTNERS L P C COM 29250R106 55,458 2,390,429 SH   SOLE   2,322,153 0 68,276
ENERGY TRANSFER PRTNRS L P UNI COM 29273R109 212,928 5,593,076 SH   SOLE   5,438,096 0 154,980
ENLINK MIDSTREAM PARTNERS LP C COM 29336U107 42,973 2,584,081 SH   SOLE   2,509,218 0 74,863
ENTERPRISE PRODS PARTNERS L P COM 293792107 447,939 15,308,904 SH   SOLE   14,770,421 0 538,483
EQT GP HLDGS LP COM UNIT REP COM 26885J103 4,446 174,404 SH   SOLE   171,261 0 3,143
EQT MIDSTREAM PARTNERS LP UNIT COM 26885B100 99,130 1,234,492 SH   SOLE   1,199,380 0 35,112
GENESIS ENERGY L P UNIT LTD PA COM 371927104 85,709 2,233,747 SH   SOLE   2,174,614 0 59,133
MAGELLAN MIDSTREAM PRTNRS LP C COM 559080106 307,141 4,041,334 SH   SOLE   3,890,800 0 150,534
MPLX LP COM UNIT REP LTD COM 55336V100 161,878 4,813,498 SH   SOLE   4,618,626 0 194,872
NEXTERA ENERGY PARTNERS LP COM COM 65341B106 4,924 162,086 SH   SOLE   136,318 0 25,768
ONEOK PARTNERS LP UNIT LTD PAR COM 68268N103 71,839 1,793,275 SH   SOLE   1,743,299 0 49,976
PHILLIPS 66 PARTNERS LP COM UN COM 718549207 24,110 431,538 SH   SOLE   419,390 0 12,148
PLAINS ALL AMERN PIPELINE L P COM 726503105 96,125 3,496,741 SH   SOLE   3,398,360 0 98,381
SHELL MIDSTREAM PARTNERS L P U COM 822634101 82,068 2,428,766 SH   SOLE   2,359,151 0 69,615
SPECTRA ENERGY PARTNERS LP COM COM 84756N109 40,035 848,557 SH   SOLE   824,595 0 23,962
TALLGRASS ENERGY PARTNERS LP C COM 874697105 12,467 270,905 SH   SOLE   262,827 0 8,078
WESTERN GAS EQUITY PARTNERS LP COM 95825R103 3,285 85,872 SH   SOLE   84,254 0 1,618
WESTERN GAS PARTNERS LP COM UN COM 958254104 42,964 852,451 SH   SOLE   828,231 0 24,220
BCE INC COM NEW ADR 05534B760 34,939 738,518 SH   SOLE   716,498 0 22,020
BT GROUP PLC ADR ADR 05577E101 7,453 267,597 SH   SOLE   267,597 0 0
ENBRIDGE INC COM ADR 29250N105 6,738 159,063 SH   SOLE   147,973 0 11,090
ERICSSON ADR B SEK 10 ADR 294821608 1,512 196,885 SH   SOLE   193,467 0 3,418
GLAXOSMITHKLINE PLC SPONSORED ADR 37733W105 101,958 2,352,517 SH   SOLE   2,269,028 0 83,489
LYONDELLBASELL INDUSTRIES N V ADR N53745100 77,732 1,044,502 SH   SOLE   968,447 0 76,055
NATIONAL GRID PLC SPON ADR NEW ADR 636274300 7,150 96,193 SH   SOLE   85,023 0 11,170
NOVARTIS A G SPONSORED ADR ADR 66987V109 67,296 815,609 SH   SOLE   786,165 0 29,444
PEMBINA PIPELINE CORP COM ADR 706327103 15,968 526,318 SH   SOLE   523,262 0 3,056
ROYAL DUTCH SHELL PLC SPON ADR ADR 780259107 8,883 158,624 SH   SOLE   158,624 0 0
TELSTRA CORP LTD SPON ADR FINA ADR 87969N204 896 43,053 SH   SOLE   43,053 0 0
TOTAL S A SPONSORED ADR ADR 89151E109 6,695 139,195 SH   SOLE   139,195 0 0
VEOLIA ENVIRONNEMENT SPONSORED ADR 92334N103 3,963 182,901 SH   SOLE   163,381 0 19,520
VODAFONE GROUP PLC NEW SPNSR A ADR 92857W308 61,152 1,979,669 SH   SOLE   1,905,481 0 74,188
XL GROUP PLC SHS ADR G98290102 573 17,199 SH   SOLE   0 0 17,199
ISHARES TR SELECT DIVID ETF COM 464287168 346 4,060 SH   SOLE   4,060 0 0
ISHARES TR USA ESG SLCT ETF COM 464288802 1,342 15,515 SH   SOLE   15,515 0 0
JPMORGAN CHASE & CO ALERIAN ML COM 46625H365 447 14,060 SH   SOLE   14,049 0 11