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
3M CO COM 88579Y101 44,306 326,596 SH   SOLE   326,596 0 0
ABBOTT LABS INC COM 002824100 50,455 1,310,167 SH   SOLE   1,310,167 0 0
ABBVIE INC COM 00287Y109 17,975 349,712 SH   SOLE   349,712 0 0
ADVANCED AUTO PARTS COM 00751Y106 1,518 12,000 SH   SOLE   12,000 0 0
AGILENT TECHNOLOGIES INC COM 00846U101 49,545 885,998 SH   SOLE   885,998 0 0
AGL RESOURCES INC COM 001204106 1,172 23,946 SH   SOLE   23,946 0 0
AIR LEASE CORP Class A 00912X302 1,471 39,450 SH   SOLE   39,450 0 0
AIR PRODUCTS & CHEMICALS INC COM 009158106 877 7,370 SH   SOLE   7,370 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 609 4,000 SH   SOLE   4,000 0 0
ALLEGHENY TECHNOLOGIES INC COM 01741R102 1,251 33,190 SH   SOLE   33,190 0 0
ALLIANT TECHSYSTEMS INC COM 018804104 1,919 13,500 SH   SOLE   13,500 0 0
ALTRIA GROUP INC COM 02209S103 872 23,290 SH   SOLE   23,290 0 0
AMGEN INC COM 031162100 36,999 299,975 SH   SOLE   299,975 0 0
AMPCO-PITTSBURG CORP COM 032037103 1,568 83,085 SH   SOLE   83,085 0 0
APPLE INC COM 037833100 41,672 77,639 SH   SOLE   77,639 0 0
AQUA AMERICA INC COM 03836W103 3,713 148,112 SH   SOLE   148,112 0 0
ARTESIAN RESOURCES CORP Class A 043113208 536 23,850 SH   SOLE   23,850 0 0
AT & T INC COM 00206R102 1,973 56,258 SH   SOLE   56,258 0 0
AVERY DENNISON CORP COM 053611109 266 5,240 SH   SOLE   5,240 0 0
AZZ INC COM 002474104 1,884 42,175 SH   SOLE   42,175 0 0
BANK OF AMERICA CORP COM 060505104 44,335 2,577,594 SH   SOLE   2,577,594 0 0
BAXTER INTERNATIONAL INC COM 071813109 368 5,002 SH   SOLE   5,002 0 0
BERKSHIRE HATHAWAY INC Class B 084670702 39,311 314,565 SH   SOLE   314,565 0 0
BGC PARTNERS Class A 05541T101 141 21,500 SH   SOLE   21,500 0 0
BIOGEN IDEC INC COM 09062X103 319 1,043 SH   SOLE   1,043 0 0
BOEING COMPANY COM 097023105 1,109 8,835 SH   SOLE   8,835 0 0
BOSTON PRIVATE FINANCIAL HOLDING COM 101119105 1,360 100,550 SH   SOLE   100,550 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 1,041 20,039 SH   SOLE   20,039 0 0
CABLEVISION NY GROUP Class A 12686C109 3,666 217,335 SH   SOLE   217,335 0 0
CECO ENVIRONMENTAL CORP COM 125141101 619 37,328 SH   SOLE   37,328 0 0
CHESAPEAKE ENERGY CORP COM 165167107 979 38,200 SH   SOLE   38,200 0 0
CHEVRON CORPORATION COM 166764100 37,957 319,211 SH   SOLE   319,211 0 0
CISCO SYSTEMS INC COM 17275R102 450 20,059 SH   SOLE   20,059 0 0
CIT GROUP INC COM 125581801 2,612 53,275 SH   SOLE   53,275 0 0
CITIGROUP INC COM 172967424 31,552 662,858 SH   SOLE   662,858 0 0
CLARCOR INC COM 179895107 5,889 102,690 SH   SOLE   102,690 0 0
CME GROUP INC COM 12572Q105 389 5,250 SH   SOLE   5,250 0 0
COCA COLA CO COM 191216100 551 14,249 SH   SOLE   14,249 0 0
COLGATE-PALMOLIVE COM 194162103 359 5,530 SH   SOLE   5,530 0 0
COMMERCIAL METALS CO COM 201723103 256 13,575 SH   SOLE   13,575 0 0
CONAGRA FOODS INC COM 205887102 303 9,763 SH   SOLE   9,763 0 0
CONOCOPHILLIPS COM 20825C104 1,454 20,664 SH   SOLE   20,664 0 0
CORNING INC COM 219350105 315 15,135 SH   SOLE   15,135 0 0
COTT CORPORATION COM 22163N106 1,313 155,075 SH   SOLE   155,075 0 0
CSX CORPORATION COM 126408103 684 23,610 SH   SOLE   23,610 0 0
CUMMINS INC COM 231021106 388 2,605 SH   SOLE   2,605 0 0
CUTERA INC COM 232109108 311 27,750 SH   SOLE   27,750 0 0
DANA HOLDING COM 235825205 3,152 135,450 SH   SOLE   135,450 0 0
DARDEN RESTAURANTS COM 237194105 22,861 450,375 SH   SOLE   450,375 0 0
DEAN FOODS CO COM 242370203 1,443 93,337 SH   SOLE   93,337 0 0
DEVON ENERGY CORPORATION COM 25179M103 37,493 560,189 SH   SOLE   560,189 0 0
DOMINION RESOURCES INC COM 25746U109 39,727 559,607 SH   SOLE   559,607 0 0
DR PEPPER SNAPPLE GROUP INC COM 26138E109 8,796 161,520 SH   SOLE   161,520 0 0
DU PONT, E I DE NEMOURS & CO COM 263534109 35,566 530,038 SH   SOLE   530,038 0 0
DUKE ENERGY CORP COM 26441C204 540 7,587 SH   SOLE   7,587 0 0
EATON CORP COM G29183103 717 9,550 SH   SOLE   9,550 0 0
EATON VANCE PA MUNICIPALS SH BEN INT 27826Y696 100 11,204 SH   SOLE   11,204 0 0
EBAY INC COM 278642103 338 6,121 SH   SOLE   6,121 0 0
ELI LILLY & CO COM 532457108 1,181 20,070 SH   SOLE   20,070 0 0
EMC CORP COM 268648102 30,810 1,124,051 SH   SOLE   1,124,051 0 0
EMERSON ELECTRIC COM 291011104 1,099 16,450 SH   SOLE   16,450 0 0
EXPRESS SCRIPTS HOLDING CO COM 30219G108 25,281 336,673 SH   SOLE   336,673 0 0
EXXON MOBIL CORPORATION COM 30231G102 1,336 13,675 SH   SOLE   13,675 0 0
FIFTH THIRD BANCORP COM 316773100 234 10,195 SH   SOLE   10,195 0 0
First Niagara Financial Group Inc COM 33582V108 111 11,711 SH   SOLE   11,711 0 0
FNB CORPORATION COM 302520101 1,168 87,150 SH   SOLE   87,150 0 0
FORD MOTOR COMPANY COM 345370860 24,306 1,558,055 SH   SOLE   1,558,055 0 0
FRANKLIN RESOURCES INC COM 354613101 413 7,630 SH   SOLE   7,630 0 0
FRESH MARKET INC COM 35804H106 3,163 94,130 SH   SOLE   94,130 0 0
FRISCHS RESTAURANTS INC COM 358748101 588 24,850 SH   SOLE   24,850 0 0
FUSION-IO INC COM 36112J107 253 24,050 SH   SOLE   24,050 0 0
GENERAL ELECTRIC CORP COM 369604103 2,227 86,021 SH   SOLE   86,021 0 0
GENERAL MILLS COM 370334104 506 9,767 SH   SOLE   9,767 0 0
GILEAD SCIENCES INC COM 375558103 726 10,250 SH   SOLE   10,250 0 0
GLOBAL BRASS & COPPER HOLDINGS COM 37953G103 963 61,080 SH   SOLE   61,080 0 0
GOOGLE INC Class A 38259P706 28,661 25,716 SH   SOLE   25,716 0 0
GSV CAPITAL CORP COM 36191J101 166 16,400 SH   SOLE   16,400 0 0
HARSCO CORP COM 415864107 638 27,250 SH   SOLE   27,250 0 0
HARTFORD FINANCIAL SERVICES GROUP INC COM 416515104 298 8,450 SH   SOLE   8,450 0 0
HERTZ GLOBAL HOLDINGS INC COM 42805T105 32,959 1,237,184 SH   SOLE   1,237,184 0 0
HESS CORPORATION COM 42809H107 31,175 376,144 SH   SOLE   376,144 0 0
HEXCEL CORP COM 428291108 20,285 465,895 SH   SOLE   465,895 0 0
HILLSHIRE BRANDS COMPANY COM 432589109 1,778 47,730 SH   SOLE   47,730 0 0
HOME DEPOT INC COM 437076102 1,736 21,939 SH   SOLE   21,939 0 0
HOME LOAN SERVICING SOLUTIONS LTD COM G6648D109 281 13,000 SH   SOLE   13,000 0 0
HONEYWELL INTERNATIONAL INC COM 438516106 1,947 20,985 SH   SOLE   20,985 0 0
HOSPIRA INC COM 441060100 9,427 217,962 SH   SOLE   217,962 0 0
IBM CORPORATION COM 459200101 38,713 201,118 SH   SOLE   201,118 0 0
ILLINOIS TOOL WORKS COM 452308109 420 5,160 SH   SOLE   5,160 0 0
ILLUMINA INC COM 452327109 2,795 18,802 SH   SOLE   18,802 0 0
INGREDION INC COM 457187102 1,254 18,425 SH   SOLE   18,425 0 0
INTEGRA LIFESCIENCES CORP COM 457985208 931 20,250 SH   SOLE   20,250 0 0
INTEL CORP COM 458140100 25,973 1,006,142 SH   SOLE   1,006,142 0 0
ISHARES IBOXX $ INV GRD CORP BOND FD SH BEN INT 464287242 377 3,225 SH   SOLE   3,225 0 0
ITT CORP COM 450911201 1,671 39,073 SH   SOLE   39,073 0 0
JOHNSON & JOHNSON COM 478160104 1,171 11,916 SH   SOLE   11,916 0 0
JP MORGAN CHASE & CO COM 46625H100 41,390 681,771 SH   SOLE   681,771 0 0
KIMBERLY-CLARK CORP COM 494368103 330 2,995 SH   SOLE   2,995 0 0
KRAFT FOODS GROUP INC COM 50076Q106 2,617 46,654 SH   SOLE   46,654 0 0
L-3 COMMMUNICATIONS HOLDINGS INC COM 502424104 23,499 198,887 SH   SOLE   198,887 0 0
LABORATORY CORP AMERICA HLDGS COM 50540R409 613 6,240 SH   SOLE   6,240 0 0
LINDSAY CORPORATION COM 535555106 529 6,000 SH   SOLE   6,000 0 0
MANITOWOC INC COM COM 563571108 1,506 47,900 SH   SOLE   47,900 0 0
MCDONALDS CORP COM 580135101 23,914 243,947 SH   SOLE   243,947 0 0
MEDTRONIC COM 585055106 2,462 40,014 SH   SOLE   40,014 0 0
MERCK & CO INC COM 58933Y105 1,363 24,009 SH   SOLE   24,009 0 0
METLIFE INC COM 59156R108 317 5,995 SH   SOLE   5,995 0 0
MFS CHARTER INCOME TRUST SH BEN INT 552727109 110 12,000 SH   SOLE   12,000 0 0
MFS INTER INCOME TRUST SH BEN INT 55273C107 83 16,100 SH   SOLE   16,100 0 0
MICROSOFT CORP COM 594918104 859 20,948 SH   SOLE   20,948 0 0
MONDELEZ INTERNATIONAL INC COM 609207105 25,678 743,226 SH   SOLE   743,226 0 0
NATIONAL FUEL GAS CO COM 636180101 3,617 51,635 SH   SOLE   51,635 0 0
NATIONAL BANK HOLDINGS CO Class A 633707104 425 21,200 SH   SOLE   21,200 0 0
NATIONAL-OILWELL INC COM 637071101 301 3,870 SH   SOLE   3,870 0 0
NEXTERA ENERGY INC COM 65339F101 1,258 13,152 SH   SOLE   13,152 0 0
NIKE INC Class B 654106103 28,277 382,848 SH   SOLE   382,848 0 0
NISOURCE INC COM 65473P105 1,286 36,189 SH   SOLE   36,189 0 0
NORTHEAST UTILITIES COM 664397106 778 17,093 SH   SOLE   17,093 0 0
NORTHWEST NAT GAS CO COM 667655104 2,955 67,150 SH   SOLE   67,150 0 0
OCCIDENTAL PETROLEUM CORP COM 674599105 36,174 379,618 SH   SOLE   379,618 0 0
ONEOK INC COM 682680103 1,274 21,505 SH   SOLE   21,505 0 0
PEOPLES UNITED FINANCIAL, INC COM 712704105 1,317 88,551 SH   SOLE   88,551 0 0
PEPSICO INC COM 713448108 33,127 396,726 SH   SOLE   396,726 0 0
PERRIGO CO COM G97822103 24,194 156,433 SH   SOLE   156,433 0 0
PETSMART INC COM 716768106 13,555 196,700 SH   SOLE   196,700 0 0
PFIZER INC COM 717081103 1,262 39,292 SH   SOLE   39,292 0 0
PHILIP MORRIS INTERNATIONAL COM 718172109 295 3,608 SH   SOLE   3,608 0 0
PICO HOLDINGS INC COM 693366205 729 28,035 SH   SOLE   28,035 0 0
PNC FINANCIAL SERVICES GROUP COM 693475105 31,032 356,688 SH   SOLE   356,688 0 0
PORTLAND GENERAL COM 736508847 2,842 87,880 SH   SOLE   87,880 0 0
PPL CORPORATION COM 69351T106 638 19,262 SH   SOLE   19,262 0 0
PROCERA NETWORKS INC COM 74269U203 455 43,829 SH   SOLE   43,829 0 0
PROCTER & GAMBLE COMPANY COM 742718109 2,060 25,561 SH   SOLE   25,561 0 0
PUBLIC SERVICE ENTERPRISE GROUP COM 744573106 447 11,727 SH   SOLE   11,727 0 0
QUALCOMM INC COM 747525103 37,642 477,331 SH   SOLE   477,331 0 0
QUEST DIAGNOSTICS INC COM 74834L100 21,646 373,715 SH   SOLE   373,715 0 0
QUESTAR CORP COM 748356102 663 27,887 SH   SOLE   27,887 0 0
QUESTCOR PHARMACEUTICALS INC COM 74835Y101 1,081 16,650 SH   SOLE   16,650 0 0
RAYTHEON COMPANY COM 755111507 43,193 437,224 SH   SOLE   437,224 0 0
REGAL BELOIT CORP COM 758750103 11,719 161,170 SH   SOLE   161,170 0 0
REGENERON PHARMACEUTICALS INC COM 75886F107 1,959 6,525 SH   SOLE   6,525 0 0
REPUBLIC SVCS INC COM 760759100 314 9,196 SH   SOLE   9,196 0 0
RITE AID CORP COM 767754104 143 22,764 SH   SOLE   22,764 0 0
RPM INTERNATIONAL INC COM 749685103 9,799 234,212 SH   SOLE   234,212 0 0
SANDRIDGE ENERGY INC COM 80007P307 186 30,300 SH   SOLE   30,300 0 0
SENSIENT TECHNOLOGIES CORP COM 81725T100 5,704 101,125 SH   SOLE   101,125 0 0
SOUTHERN CO COM 842587107 824 18,760 SH   SOLE   18,760 0 0
SPDR S&P MIDCAP 400 ETF TRUST SH BEN INT 78467Y107 379 1,511 SH   SOLE   1,511 0 0
SPRINT CORP COM 85207U105 216 23,486 SH   SOLE   23,486 0 0
STANLEY BLACK & DECKER INC COM 854502101 25,607 315,200 SH   SOLE   315,200 0 0
TALISMAN ENERGY INC COM 87425E103 364 36,500 SH   SOLE   36,500 0 0
TARGET CORP COM 87612E106 1,190 19,660 SH   SOLE   19,660 0 0
TERADATA CORP COM 88076W103 25,206 512,417 SH   SOLE   512,417 0 0
TETRA TECH INC COM 88162G103 2,028 68,534 SH   SOLE   68,534 0 0
TEVA PHARMACEUTICAL INDS LTD ADR 881624209 430 8,136 SH   SOLE   8,136 0 0
TEXTRON INC COM 883203101 921 23,450 SH   SOLE   23,450 0 0
TIME WARNER INC COM 887317303 13,297 203,540 SH   SOLE   203,540 0 0
TIMKEN CO COM 887389104 8,546 145,390 SH   SOLE   145,390 0 0
TITAN INTERNATIONAL INC COM 88830M102 332 17,500 SH   SOLE   17,500 0 0
TREDEGAR CORPORATION COM 894650100 923 40,130 SH   SOLE   40,130 0 0
TRIUMPH GROUP INC COM 896818101 1,589 24,610 SH   SOLE   24,610 0 0
TYCO INTERNATIONAL LTD COM H89128104 362 8,529 SH   SOLE   8,529 0 0
UNION PACIFIC CORP COM 907818108 326 1,735 SH   SOLE   1,735 0 0
UNITED TECHNOLOGIES CORP COM 913017109 38,631 330,628 SH   SOLE   330,628 0 0
UNIVEST CORPORATION OF PENNSYLVANIA COM 915271100 3,570 174,000 SH   SOLE   174,000 0 0
US BANCORP COM 902973304 34,772 811,289 SH   SOLE   811,289 0 0
VERIZON COMMUNICATIONS COM 92343V104 21,897 460,315 SH   SOLE   460,315 0 0
VODAFONE GROUP PLC ADR 92857W308 3,955 107,455 SH   SOLE   107,455 0 0
WASTE MANAGEMENT INC COM 94106L109 386 9,175 SH   SOLE   9,175 0 0
WELLS FARGO & CO NEW COM 949746101 26,949 541,807 SH   SOLE   541,807 0 0
WHITING PETROLEUM CORP COM 966387102 25,825 372,169 SH   SOLE   372,169 0 0
WILLIAMS COS INC COM 969457100 8,853 218,155 SH   SOLE   218,155 0 0
XYLEM INC COM 98419M100 2,124 58,309 SH   SOLE   58,309 0 0
YORK WATER CO COM 987184108 1,225 60,060 SH   SOLE   60,060 0 0
ZOETIS INC COM 98978V103 1,863 64,375 SH   SOLE   64,375 0 0