UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                    Form 13F

                              Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: September 30, 2006

Check here if Amendment [  ]; Amendment Number:
This Amendment (Check only one.): [  ] is a restatement.
                                  [  ] adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:    UNITRIN, INC.
Address: One East Wacker Drive, 10th Floor
         Chicago, IL  60601

13F File Number:  28-02715

The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:      Richard Roeske
Title:     Vice President
Phone:     312-661-4600

Signature, Place, and Date of Signing:

     /s/ Richard Roeske     Chicago, IL     November 06, 2006

Report Type (Check only one.):

[ X]         13F HOLDINGS REPORT.

[  ]         13F NOTICE.

[  ]         13F COMBINATION REPORT.



                              FORM 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:         2

Form13F Information Table Entry Total:     116

Form13F Information Table Value Total:     $1,261,723 (thousands)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional managers with respect to which this report is filed, other
than the manager filing this report.

No.  13F File Number               Name

1    28-00121                      TRINITY UNIVERSAL INSURANCE COMPANY
2    28-00117                      UNITED INSURANCE COMPANY OF AMERICA



                                    
                                                     FORM 13F INFORMATION TABLE
                                                             VALUE  SHARES/ SH/ PUT/ INVSTMT  OTHER            VOTING AUTHORITY
NAME OF ISSUER                 TITLE OF CLASS   CUSIP     (x$1000)  PRN AMT PRN CALL DSCRETN MANAGERS         SOLE   SHARED     NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
ABBOTT LABS                    COM              002824100     3399    70000 SH        OTHER   1                  0    70000        0
ALTRIA GROUP INC               COM              02209S103    17224   225000 SH        OTHER   1                  0   225000        0
AMERICAN EXPRESS CO            COM              025816109     3236    57700 SH        OTHER   1                  0    57700        0
AMERICAN INTL GROUP INC        COM              026874107     2882    43500 SH        OTHER   1                  0    43500        0
AMERIPRISE FINL INC            COM              03076C106     1196    25500 SH        OTHER   1                  0    25500        0
AMERIPRISE FINL INC            COM              03076C106     1174    25040 SH        OTHER   1                  0    25040        0
ANHEUSER BUSCH COS INC         COM              035229103     2471    52000 SH        OTHER   1                  0    52000        0
ARCHSTONE SMITH TR             COM              039583109     1938    35600 SH        OTHER   1                  0    35600        0
AUTOMATIC DATA PROCESSING IN   COM              053015103     2130    45000 SH        OTHER   1                  0    45000        0
AVALONBAY CMNTYS INC           COM              053484101     1926    16000 SH        OTHER   1                  0    16000        0
BAKER HUGHES INC               COM              057224107    37571   550900 SH        DEFINED 1             550900        0        0
BANK OF AMERICA CORPORATION    COM              060505104     3937    73500 SH        OTHER   1                  0    73500        0
BAUSCH & LOMB INC              COM              071707103     1719    34300 SH        OTHER   1                  0    34300        0
BEARINGPOINT INC               COM              074002106     2594   330000 SH        OTHER   1                  0   330000        0
BELO CORP                      COM SER A        080555105     1078    68200 SH        OTHER   1                  0    68200        0
BLACK & DECKER CORP            COM              091797100     1333    16800 SH        OTHER   1                  0    16800        0
BOSTON PROPERTIES INC          COM              101121101     2439    23600 SH        OTHER   1                  0    23600        0
BP PLC                         SPONSORED ADR    055622104     4755    72500 SH        OTHER   1                  0    72500        0
BRUNSWICK CORP                 COM              117043109     2514    80600 SH        OTHER   1                  0    80600        0
C D W CORP                     COM              12512N105     1998    32400 SH        OTHER   1                  0    32400        0
CATERPILLAR INC DEL            COM              149123101     2303    35000 SH        OTHER   1                  0    35000        0
CBS CORP NEW                   CL B             124857202      282    10000 SH        OTHER   1                  0    10000        0
CHEVRON CORP NEW               COM              166764100     6128    94480 SH        OTHER   1                  0    94480        0
CITIGROUP INC                  COM              172967101     7813   157300 SH        OTHER   1                  0   157300        0
CITIGROUP INC                  COM              172967101     4115    82840 SH        DEFINED 1              82840        0        0
COCA COLA CO                   COM              191216100     5697   127500 SH        OTHER   1                  0   127500        0
CONOCOPHILLIPS                 COM              20825C104     5239    88000 SH        OTHER   1                  0    88000        0
CONSECO INC                    COM NEW          208464883     2548   121400 SH        OTHER   1                  0   121400        0
CORPORATE OFFICE PPTYS TR      SH BEN INT       22002T108     1929    43100 SH        OTHER   1                  0    43100        0
DISCOVERY HOLDING CO           CL A COM         25468Y107     3896   269400 SH        OTHER   1                  0   269400        0
DONNELLEY R R & SONS CO        COM              257867101     1991    60400 SH        OTHER   1                  0    60400        0
ECHOSTAR COMMUNICATIONS NEW    CL A             278762109      927    28300 SH        OTHER   1                  0    28300        0
EMERSON ELEC CO                COM              291011104     2885    34400 SH        OTHER   1                  0    34400        0
ESSEX PPTY TR INC              COM              297178105     1894    15600 SH        OTHER   1                  0    15600        0
EXPEDIA INC DEL                COM              30212P105      947    60400 SH        OTHER   1                  0    60400        0
EXXON MOBIL CORP               COM              30231G102    15795   235400 SH        OTHER   1                  0   235400        0
FEDERAL REALTY INVT TR         SH BEN INT NEW   313747206     1880    25300 SH        OTHER   1                  0    25300        0
FORD MTR CO CAP TR II          PFD TR CV6.5%    345395206      336    10000 SH        DEFINED 2              10000        0        0
FORTUNE BRANDS INC             COM              349631101     1825    24300 SH        OTHER   1                  0    24300        0
GAP INC DEL                    COM              364760108     1895   100000 SH        OTHER   1                  0   100000        0
GENERAL ELECTRIC CO            COM              369604103     7943   225000 SH        OTHER   1                  0   225000        0
GENERAL ELECTRIC CO            COM              369604103     1694    48000 SH        DEFINED 1              48000        0        0
GOLDMAN SACHS GROUP INC        COM              38141G104      846     5000 SH        SOLE                    5000        0        0
HALLIBURTON CO                 COM              406216101     1707    60000 SH        OTHER   1                  0    60000        0
HARLEY DAVIDSON INC            COM              412822108     2272    36200 SH        OTHER   1                  0    36200        0
HARTFORD FINL SVCS GROUP INC   COM              416515104    18591   214300 SH        DEFINED 2             214300        0        0
HILTON HOTELS CORP             COM              432848109     1671    60000 SH        OTHER   1                  0    60000        0
HOME DEPOT INC                 COM              437076102     2358    65000 SH        OTHER   1                  0    65000        0
HSBC HLDGS PLC                 SPON ADR NEW     404280406     4073    44500 SH        OTHER   1                  0    44500        0
INTEL CORP                     COM              458140100     4112   199900 SH        OTHER   1                  0   199900        0
INTERMEC INC                   COM              458786100   333659 12657764 SH        DEFINED 1           12657764        0        0
ISHARES TR                     MSCI EAFE IDX    464287465    51585   761400 SH        DEFINED 1             761400        0        0
JOHNSON & JOHNSON              COM              478160104     5715    88000 SH        OTHER   1                  0    88000        0
JP MORGAN CHASE & CO           COM              46625H100     4687    99800 SH        OTHER   1                  0    99800        0
KINETIC CONCEPTS INC           COM NEW          49460W208     1998    63500 SH        OTHER   1                  0    63500        0
KRAFT FOODS INC                CL A             50075N104     1105    31000 SH        DEFINED 1              31000        0        0
LABORATORY CORP AMER HLDGS     COM NEW          50540R409     1770    27000 SH        OTHER   1                  0    27000        0
LAUDER ESTEE COS INC           CL A             518439104      698    17300 SH        OTHER   1                  0    17300        0
LAUDER ESTEE COS INC           CL A             518439104     1391    34500 SH        OTHER   1                  0    34500        0
LENNAR CORP                    CL A             526057104      950    21000 SH        OTHER   1                  0    21000        0
LIBERTY GLOBAL INC             COM SER C        530555309     2327    92870 SH        OTHER   1                  0    92870        0
LIMITED BRANDS INC             COM              532716107     1793    67700 SH        OTHER   1                  0    67700        0
LIZ CLAIBORNE INC              COM              539320101     2410    61000 SH        OTHER   1                  0    61000        0
MACK CALI RLTY CORP            COM              554489104     1994    38500 SH        OTHER   1                  0    38500        0
MASCO CORP                     COM              574599106     1843    67200 SH        OTHER   1                  0    67200        0
MBIA INC                       COM              55262C100     1966    32000 SH        OTHER   1                  0    32000        0
MCDONALDS CORP                 COM              580135101     2738    70000 SH        OTHER   1                  0    70000        0
MCGRAW HILL COS INC            COM              580645109     5223    90000 SH        OTHER   1                  0    90000        0
MEDIMMUNE INC                  COM              584699102     2356    80500 SH        OTHER   1                  0    80500        0
MERRILL LYNCH & CO INC         COM              590188108     3520    45000 SH        OTHER   1                  0    45000        0
MGIC INVT CORP WIS             COM              552848103     2123    35400 SH        OTHER   1                  0    35400        0
MICROSOFT CORP                 COM              594918104     3602   131700 SH        OTHER   1                  0   131700        0
MOLSON COORS BREWING CO        CL B             60871R209     1433    20800 SH        OTHER   1                  0    20800        0
NATIONAL SEMICONDUCTOR CORP    COM              637640103     2068    87900 SH        OTHER   1                  0    87900        0
NEWS CORP                      CL A             65248E104     2503   127400 SH        OTHER   1                  0   127400        0
NORTHROP GRUMMAN CORP          COM              666807102   408455  6000511 SH        DEFINED 1            6000511        0        0
NORTHROP GRUMMAN CORP          COM              666807102    94542  1388889 SH        SOLE                 1388889        0        0
OCCIDENTAL PETE CORP DEL       COM              674599105     2357    49000 SH        OTHER   1                  0    49000        0
OMNICARE INC                   COM              681904108     1659    38500 SH        OTHER   1                  0    38500        0
PARTNERRE LTD                  COM              G6852T105     1845    27300 SH        OTHER   1                  0    27300        0
PEMCO AVIATION INC             COM              706444106       31     3600 SH        DEFINED 1               3600        0        0
PENTAIR INC                    COM              709631105      859    32800 SH        OTHER   1                  0    32800        0
PEPSICO INC                    COM              713448108     5554    85100 SH        OTHER   1                  0    85100        0
POST PPTYS INC                 COM              737464107     1877    39500 SH        OTHER   1                  0    39500        0
PRAXAIR INC                    COM              74005P104     2011    34000 SH        OTHER   1                  0    34000        0
PROCTER & GAMBLE CO            COM              742718109     6774   109300 SH        OTHER   1                  0   109300        0
PROLOGIS                       SH BEN INT       743410102     1963    34400 SH        OTHER   1                  0    34400        0
PUBLIC STORAGE INC             COM              74460D109     1952    22700 SH        OTHER   1                  0    22700        0
ROYAL DUTCH SHELL PLC          SPONS ADR A      780259206     2512    38000 SH        OTHER   1                  0    38000        0
SAFECO CORP                    COM              786429100     3459    58700 SH        OTHER   1                  0    58700        0
SIMON PPTY GROUP INC NEW       COM              828806109     1930    21300 SH        OTHER   1                  0    21300        0
SNAP ON INC                    COM              833034101     4130    92700 SH        OTHER   1                  0    92700        0
SOVEREIGN BANCORP INC          COM              845905108     3094   143850 SH        OTHER   1                  0   143850        0
SUN MICROSYSTEMS INC           COM              866810104     2536   512400 SH        OTHER   1                  0   512400        0
SUNTRUST BKS INC               COM              867914103     2821    36500 SH        OTHER   1                  0    36500        0
SYSCO CORP                     COM              871829107     1589    47500 SH        OTHER   1                  0    47500        0
TARGET CORP                    COM              87612E106     3039    55000 SH        OTHER   1                  0    55000        0
TAUBMAN CTRS INC               COM              876664103     1888    42500 SH        OTHER   1                  0    42500        0
TENET HEALTHCARE CORP          COM              88033G100     2900   356300 SH        OTHER   1                  0   356300        0
TIFFANY & CO NEW               COM              886547108     1501    45200 SH        OTHER   1                  0    45200        0
TOTAL S A                      SPONSORED ADR    89151E109     3165    48000 SH        OTHER   1                  0    48000        0
TRIBUNE CO NEW                 COM              896047107     2650    81000 SH        OTHER   1                  0    81000        0
UNITED PARCEL SERVICE INC      CL B             911312106     2374    33000 SH        OTHER   1                  0    33000        0
UNITED TECHNOLOGIES CORP       COM              913017109     2534    40000 SH        OTHER   1                  0    40000        0
UNITEDHEALTH GROUP INC         COM              91324P102     1550    31500 SH        OTHER   1                  0    31500        0
UNIVERSAL AMERN FINL CORP      COM              913377107      804    50000 SH        DEFINED                50000        0        0
VANGUARD INTL EQUITY INDEX F   EMR MKT ETF      922042858    10356   154200 SH        DEFINED 1             154200        0        0
VERIZON COMMUNICATIONS         COM              92343V104      313     8428 SH        DEFINED 1               8428        0        0
VIACOM INC NEW                 CL B             92553P201      372    10000 SH        OTHER   1                  0    10000        0
WAL MART STORES INC            COM              931142103     3847    78000 SH        OTHER   1                  0    78000        0
WALGREEN CO                    COM              931422109     4883   110000 SH        OTHER   1                  0   110000        0
WALTER INDS INC                COM              93317Q105     1583    37100 SH        OTHER   1                  0    37100        0
WASHINGTON MUT INC             COM              939322103     3791    87200 SH        OTHER   1                  0    87200        0
WHOLE FOODS MKT INC            COM              966837106     1723    29000 SH        OTHER   1                  0    29000        0
XEROX CORP                     COM              984121103     2919   187600 SH        OTHER   1                  0   187600        0
ZALE CORP NEW                  COM              988858106     3018   108800 SH        OTHER   1                  0   108800        0