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, 2007

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 02, 2007

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:         1

Form13F Information Table Entry Total:     119

Form13F Information Table Value Total:     $1,314,287 (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

01   28-00121                      TRINITY UNIVERSAL INSURANCE COMPANY



                                    
                                                     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     3753    70000 SH       OTHER   01                  0    70000        0
ALPHARMA INC                    CL A            020813101     3037   142200 SH       OTHER   01                  0   142200        0
ALTRIA GROUP INC                COM             02209S103    15644   225000 SH       OTHER   01                  0   225000        0
AMERICAN EXPRESS CO             COM             025816109     3426    57700 SH       OTHER   01                  0    57700        0
AMERICAN INTL GROUP INC         COM             026874107     2943    43500 SH       OTHER   01                  0    43500        0
AMERIPRISE FINL INC             COM             03076C106      966    15300 SH       OTHER   01                  0    15300        0
AMERIPRISE FINL INC             COM             03076C106     1580    25040 SH       OTHER   01                  0    25040        0
ANHEUSER BUSCH COS INC          COM             035229103     2599    52000 SH       OTHER   01                  0    52000        0
APPLE INC                       COM             037833100     2302    15000 SH       OTHER   01                  0    15000        0
AUTOMATIC DATA PROCESSING IN    COM             053015103     2297    50000 SH       OTHER   01                  0    50000        0
AVALONBAY CMNTYS INC            COM             053484101     1889    16000 SH       OTHER   01                  0    16000        0
BAKER HUGHES INC                COM             057224107    48655   538400 SH       DEFINED 01             538400        0        0
BANK OF AMERICA CORPORATION     COM             060505104     4273    85000 SH       OTHER   01                  0    85000        0
BEARINGPOINT INC                COM             074002106     2526   623800 SH       OTHER   01                  0   623800        0
BIO RAD LABS INC                CL A            090572207     1376    15200 SH       OTHER   01                  0    15200        0
BLACK & DECKER CORP             COM             091797100     1208    14500 SH       OTHER   01                  0    14500        0
BOSTON PROPERTIES INC           COM             101121101     2452    23600 SH       OTHER   01                  0    23600        0
BP PLC                          SPONSORED ADR   055622104     2427    35000 SH       OTHER   01                  0    35000        0
BRUNSWICK CORP                  COM             117043109     1090    47700 SH       OTHER   01                  0    47700        0
CAMDEN PPTY TR                  SH BEN INT      133131102     1831    28500 SH       OTHER   01                  0    28500        0
CATERPILLAR INC DEL             COM             149123101     3529    45000 SH       OTHER   01                  0    45000        0
CHEVRON CORP NEW                COM             166764100     8841    94480 SH       OTHER   01                  0    94480        0
CITIGROUP INC                   COM             172967101     7341   157300 SH       OTHER   01                  0   157300        0
COCA COLA CO                    COM             191216100     7327   127500 SH       OTHER   01                  0   127500        0
CONOCOPHILLIPS                  COM             20825C104     8163    93000 SH       OTHER   01                  0    93000        0
CONSECO INC                     COM NEW         208464883     3618   226100 SH       OTHER   01                  0   226100        0
CORPORATE OFFICE PPTYS TR       SH BEN INT      22002T108     1961    47100 SH       OTHER   01                  0    47100        0
DISCOVERY HOLDING CO            CL A COM        25468Y107     7192   249300 SH       OTHER   01                  0   249300        0
DONNELLEY R R & SONS CO         COM             257867101     2208    60400 SH       OTHER   01                  0    60400        0
DOUGLAS EMMETT INC              COM             25960P109     2097    84800 SH       OTHER   01                  0    84800        0
ELECTRONICS FOR IMAGING INC     COM             286082102     1214    45200 SH       OTHER   01                  0    45200        0
EMERSON ELEC CO                 COM             291011104     3662    68800 SH       OTHER   01                  0    68800        0
ESSEX PPTY TR INC               COM             297178105     2069    17600 SH       OTHER   01                  0    17600        0
EXPEDIA INC DEL                 COM             30212P105     2707    84900 SH       OTHER   01                  0    84900        0
EXXON MOBIL CORP                COM             30231G102    21789   235400 SH       OTHER   01                  0   235400        0
FOOT LOCKER INC                 COM             344849104     2571   167700 SH       OTHER   01                  0   167700        0
FORD MTR CO DEL                 COM PAR $0.01   345370860      388    45717 SH       DEFINED                 45717        0        0
FORTUNE BRANDS INC              COM             349631101     1842    22600 SH       OTHER   01                  0    22600        0
GENERAL ELECTRIC CO             COM             369604103     1987    48000 SH       DEFINED 01              48000        0        0
GENERAL ELECTRIC CO             COM             369604103     9315   225000 SH       OTHER   01                  0   225000        0
GOLDMAN SACHS GROUP INC         COM             38141G104     1084     5000 SH       SOLE                     5000        0        0
GRAINGER W W INC                COM             384802104     1268    13900 SH       OTHER   01                  0    13900        0
HALLIBURTON CO                  COM             406216101     2880    75000 SH       OTHER   01                  0    75000        0
HARLEY DAVIDSON INC             COM             412822108     1289    27900 SH       OTHER   01                  0    27900        0
HARTFORD FINL SVCS GROUP INC    COM             416515104    18371   198500 SH       DEFINED                198500        0        0
HOME DEPOT INC                  COM             437076102     2109    65000 SH       OTHER   01                  0    65000        0
HSBC HLDGS PLC                  SPON ADR NEW    404280406     4167    45000 SH       OTHER   01                  0    45000        0
IDEARC INC                      COM             451663108     1146    36400 SH       OTHER   01                  0    36400        0
INTEL CORP                      COM             458140100     5169   199900 SH       OTHER   01                  0   199900        0
INTERMEC INC                    COM             458786100   330621 12657764 SH       DEFINED 01           12657764        0        0
ISHARES TR                      MSCI EAFE IDX   464287465    62884   761400 SH       DEFINED 01             761400        0        0
JOHNSON & JOHNSON               COM             478160104     5782    88000 SH       OTHER   01                  0    88000        0
JP MORGAN CHASE & CO            COM             46625H100     4573    99800 SH       OTHER   01                  0    99800        0
KINETIC CONCEPTS INC            COM NEW         49460W208     2274    40400 SH       OTHER   01                  0    40400        0
KRAFT FOODS INC                 CL A            50075N104     3303    95705 SH       OTHER   01                  0    95705        0
LABORATORY CORP AMER HLDGS      COM NEW         50540R409     1557    19900 SH       OTHER   01                  0    19900        0
LAUDER ESTEE COS INC            CL A            518439104      735    17300 SH       OTHER   01                  0    17300        0
LENNAR CORP                     CL A            526057104      476    21000 SH       OTHER   01                  0    21000        0
LIMITED BRANDS INC              COM             532716107     1669    72900 SH       OTHER   01                  0    72900        0
LIZ CLAIBORNE INC               COM             539320101     2194    63900 SH       OTHER   01                  0    63900        0
LOWES COS INC                   COM             548661107      224     8000 SH       OTHER   01                  0     8000        0
MASCO CORP                      COM             574599106     1557    67200 SH       OTHER   01                  0    67200        0
MCDONALDS CORP                  COM             580135101     3813    70000 SH       OTHER   01                  0    70000        0
MCGRAW HILL COS INC             COM             580645109     4582    90000 SH       OTHER   01                  0    90000        0
MDS INC                         COM             55269P302     4791   222300 SH       OTHER   01                  0   222300        0
MEDTRONIC INC                   COM             585055106     1354    24000 SH       OTHER   01                  0    24000        0
MERRILL LYNCH & CO INC          COM             590188108     3564    50000 SH       OTHER   01                  0    50000        0
MICROCHIP TECHNOLOGY INC        COM             595017104      999    27500 SH       OTHER   01                  0    27500        0
MICRON TECHNOLOGY INC           COM             595112103     1482   133500 SH       OTHER   01                  0   133500        0
MICROSOFT CORP                  COM             594918104     3585   121700 SH       OTHER   01                  0   121700        0
MUELLER WTR PRODS INC           COM SER B       624758207      938    85305 SH       OTHER   01                  0    85305        0
NATIONAL SEMICONDUCTOR CORP     COM             637640103     3745   138100 SH       OTHER   01                  0   138100        0
NEWS CORP                       CL A            65248E104     2802   127400 SH       OTHER   01                  0   127400        0
NORTHROP GRUMMAN CORP           COM             666807102   416599  5341019 SH       DEFINED 01            5341019        0        0
NORTHROP GRUMMAN CORP           COM             666807102    73865   946981 SH       SOLE                   946981        0        0
OCCIDENTAL PETE CORP DEL        COM             674599105     3140    49000 SH       OTHER   01                  0    49000        0
OMNICARE INC                    COM             681904108     3830   115600 SH       OTHER   01                  0   115600        0
PARTNERRE LTD                   COM             G6852T105     1556    19700 SH       OTHER   01                  0    19700        0
PEMCO AVIATION INC              COM             706444106      223    54175 SH       DEFINED 01              54175        0        0
PEPSICO INC                     COM             713448108     6234    85100 SH       OTHER   01                  0    85100        0
PRAXAIR INC                     COM             74005P104     2848    34000 SH       OTHER   01                  0    34000        0
PROCTER & GAMBLE CO             COM             742718109     7688   109300 SH       OTHER   01                  0   109300        0
PROLOGIS                        SH BEN INT      743410102     2282    34400 SH       OTHER   01                  0    34400        0
PRUDENTIAL FINL INC             COM             744320102     1952    20000 SH       OTHER   01                  0    20000        0
PUBLIC STORAGE                  COM             74460D109     1785    22700 SH       OTHER   01                  0    22700        0
QUALCOMM INC                    COM             747525103     1268    30000 SH       OTHER   01                  0    30000        0
RIO TINTO PLC                   SPONSORED ADR   767204100     2404     7000 SH       OTHER   01                  0     7000        0
ROYAL DUTCH SHELL PLC           SPONS ADR A     780259206     3123    38000 SH       OTHER   01                  0    38000        0
SAFECO CORP                     COM             786429100     1690    27600 SH       OTHER   01                  0    27600        0
SCRIPPS E W CO OHIO             CL A            811054204     2755    65600 SH       OTHER   01                  0    65600        0
SIMON PPTY GROUP INC NEW        COM             828806109     2130    21300 SH       OTHER   01                  0    21300        0
SL GREEN RLTY CORP              COM             78440X101     1752    15000 SH       OTHER   01                  0    15000        0
SNAP ON INC                     COM             833034101     3701    74700 SH       OTHER   01                  0    74700        0
SOVEREIGN BANCORP INC           COM             845905108     2398   140750 SH       OTHER   01                  0   140750        0
SUN MICROSYSTEMS INC            COM             866810104     2880   512400 SH       OTHER   01                  0   512400        0
SUNTRUST BKS INC                COM             867914103     3027    40000 SH       OTHER   01                  0    40000        0
SYSCO CORP                      COM             871829107     1957    55000 SH       OTHER   01                  0    55000        0
TARGET CORP                     COM             87612E106     3814    60000 SH       OTHER   01                  0    60000        0
TAUBMAN CTRS INC                COM             876664103     2327    42500 SH       OTHER   01                  0    42500        0
TENET HEALTHCARE CORP           COM             88033G100     3439  1023400 SH       OTHER   01                  0  1023400        0
TEXAS INSTRS INC                COM             882508104     2389    65300 SH       OTHER   01                  0    65300        0
THERMO FISHER SCIENTIFIC INC    COM             883556102     1154    20000 SH       OTHER   01                  0    20000        0
THOR INDS INC                   COM             885160101     1620    36000 SH       OTHER   01                  0    36000        0
TIFFANY & CO NEW                COM             886547108     1356    25900 SH       OTHER   01                  0    25900        0
TOTAL S A                       SPONSORED ADR   89151E109     3889    48000 SH       OTHER   01                  0    48000        0
TRANSOCEAN INC                  ORD             G90078109     2487    22000 SH       OTHER   01                  0    22000        0
UNITED TECHNOLOGIES CORP        COM             913017109     3219    40000 SH       OTHER   01                  0    40000        0
UNITEDHEALTH GROUP INC          COM             91324P102     1041    21500 SH       OTHER   01                  0    21500        0
UNIVERSAL AMERN FINL CORP       COM             913377107     1141    50000 SH       DEFINED                 50000        0        0
VANGUARD INTL EQUITY INDEX F    EMR MKT ETF     922042858    16003   154200 SH       DEFINED 01             154200        0        0
VIRGIN MEDIA INC                COM             92769L101     2912   120000 SH       OTHER   01                  0   120000        0
WAL MART STORES INC             COM             931142103     3405    78000 SH       OTHER   01                  0    78000        0
WALGREEN CO                     COM             931422109     5669   120000 SH       OTHER   01                  0   120000        0
WALTER INDS INC                 COM             93317Q105      998    37100 SH       OTHER   01                  0    37100        0
WASHINGTON MUT INC              COM             939322103     3079    87200 SH       OTHER   01                  0    87200        0
WEINGARTEN RLTY INVS            SH BEN INT      948741103     1982    47800 SH       OTHER   01                  0    47800        0
WHOLE FOODS MKT INC             COM             966837106     1469    30000 SH       OTHER   01                  0    30000        0
XEROX CORP                      COM             984121103     3203   184700 SH       OTHER   01                  0   184700        0
ZALE CORP NEW                   COM             988858106     3522   152200 SH       OTHER   01                  0   152200        0