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

                                    Form 13F

                              Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: December 31, 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     February 06, 2008

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:     118

Form13F Information Table Value Total:     $1,415,317 (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     3931    70000 SH       OTHER   01                  0    70000        0
ALPHARMA INC                   CL A             020813101     2865   142200 SH       OTHER   01                  0   142200        0
ALTRIA GROUP INC               COM              02209S103    17006   225000 SH       OTHER   01                  0   225000        0
AMERICAN EXPRESS CO            COM              025816109     3002    57700 SH       OTHER   01                  0    57700        0
AMERICAN INTL GROUP INC        COM              026874107     2536    43500 SH       OTHER   01                  0    43500        0
AMERIPRISE FINL INC            COM              03076C106      843    15300 SH       OTHER   01                  0    15300        0
AMERIPRISE FINL INC            COM              03076C106     1380    25040 SH       OTHER   01                  0    25040        0
ANHEUSER BUSCH COS INC         COM              035229103     2722    52000 SH       OTHER   01                  0    52000        0
APPLE INC                      COM              037833100     2971    15000 SH       OTHER   01                  0    15000        0
AUTOMATIC DATA PROCESSING IN   COM              053015103     2227    50000 SH       OTHER   01                  0    50000        0
AVALONBAY CMNTYS INC           COM              053484101     1506    16000 SH       OTHER   01                  0    16000        0
BAKER HUGHES INC               COM              057224107    37225   459000 SH       DEFINED 01             459000        0        0
BANK OF AMERICA CORPORATION    COM              060505104     3507    85000 SH       OTHER   01                  0    85000        0
BEARINGPOINT INC               COM              074002106     2581   912100 SH       OTHER   01                  0   912100        0
BIO RAD LABS INC               CL A             090572207     1181    11400 SH       OTHER   01                  0    11400        0
BLACK & DECKER CORP            COM              091797100     1010    14500 SH       OTHER   01                  0    14500        0
BOSTON PROPERTIES INC          COM              101121101     2167    23600 SH       OTHER   01                  0    23600        0
BP PLC                         SPONSORED ADR    055622104     2561    35000 SH       OTHER   01                  0    35000        0
CAMDEN PPTY TR                 SH BEN INT       133131102     1372    28500 SH       OTHER   01                  0    28500        0
CATERPILLAR INC DEL            COM              149123101     3265    45000 SH       OTHER   01                  0    45000        0
CHEVRON CORP NEW               COM              166764100     8818    94480 SH       OTHER   01                  0    94480        0
CISCO SYS INC                  COM              17275R102     2301    85000 SH       OTHER   01                  0    85000        0
CITIGROUP INC                  COM              172967101     4631   157300 SH       OTHER   01                  0   157300        0
COCA COLA CO                   COM              191216100     7825   127500 SH       OTHER   01                  0   127500        0
CONOCOPHILLIPS                 COM              20825C104     8212    93000 SH       OTHER   01                  0    93000        0
CONSECO INC                    COM NEW          208464883      600    47800 SH       OTHER   01                  0    47800        0
CORPORATE OFFICE PPTYS TR      SH BEN INT       22002T108     1484    47100 SH       OTHER   01                  0    47100        0
DISCOVERY HOLDING CO           CL A COM         25468Y107     5584   222100 SH       OTHER   01                  0   222100        0
DONNELLEY R R & SONS CO        COM              257867101     1849    49000 SH       OTHER   01                  0    49000        0
DOUGLAS EMMETT INC             COM              25960P109     1917    84800 SH       OTHER   01                  0    84800        0
ELECTRONICS FOR IMAGING INC    COM              286082102     1601    71200 SH       OTHER   01                  0    71200        0
EMERSON ELEC CO                COM              291011104     3898    68800 SH       OTHER   01                  0    68800        0
ESSEX PPTY TR INC              COM              297178105     1716    17600 SH       OTHER   01                  0    17600        0
EXPEDIA INC DEL                COM              30212P105     2115    66900 SH       OTHER   01                  0    66900        0
EXXON MOBIL CORP               COM              30231G102    22055   235400 SH       OTHER   01                  0   235400        0
FOOT LOCKER INC                COM              344849104     2291   167700 SH       OTHER   01                  0   167700        0
FORD MTR CO DEL                COM PAR $0.01    345370860      308    45717 SH       DEFINED                 45717        0        0
FORTUNE BRANDS INC             COM              349631101     1635    22600 SH       OTHER   01                  0    22600        0
GENERAL ELECTRIC CO            COM              369604103     1779    48000 SH       DEFINED 01              48000        0        0
GENERAL ELECTRIC CO            COM              369604103     8341   225000 SH       OTHER   01                  0   225000        0
GOLDMAN SACHS GROUP INC        COM              38141G104     1075     5000 SH       SOLE                     5000        0        0
GRAINGER W W INC               COM              384802104      858     9800 SH       OTHER   01                  0     9800        0
HALLIBURTON CO                 COM              406216101     2843    75000 SH       OTHER   01                  0    75000        0
HARLEY DAVIDSON INC            COM              412822108     1303    27900 SH       OTHER   01                  0    27900        0
HARTFORD FINL SVCS GROUP INC   COM              416515104    17307   198500 SH       DEFINED                198500        0        0
HOME DEPOT INC                 COM              437076102     1751    65000 SH       OTHER   01                  0    65000        0
HSBC HLDGS PLC                 SPON ADR NEW     404280406     3767    45000 SH       OTHER   01                  0    45000        0
IDEARC INC                     COM              451663108     1217    69300 SH       OTHER   01                  0    69300        0
INTEL CORP                     COM              458140100     5329   199900 SH       OTHER   01                  0   199900        0
INTERMEC INC                   COM              458786100   257079 12657764 SH       DEFINED 01           12657764        0        0
ISHARES TR                     MSCI EAFE IDX    464287465    59770   761400 SH       DEFINED 01             761400        0        0
JOHNSON & JOHNSON              COM              478160104     5870    88000 SH       OTHER   01                  0    88000        0
JP MORGAN CHASE & CO           COM              46625H100     4356    99800 SH       OTHER   01                  0    99800        0
KINETIC CONCEPTS INC           COM NEW          49460W208     1762    32900 SH       OTHER   01                  0    32900        0
KRAFT FOODS INC                CL A             50075N104     2470    75705 SH       OTHER   01                  0    75705        0
LABORATORY CORP AMER HLDGS     COM NEW          50540R409     1503    19900 SH       OTHER   01                  0    19900        0
LAUDER ESTEE COS INC           CL A             518439104      754    17300 SH       OTHER   01                  0    17300        0
LIMITED BRANDS INC             COM              532716107     1885    99600 SH       OTHER   01                  0    99600        0
LIZ CLAIBORNE INC              COM              539320101     1675    82300 SH       OTHER   01                  0    82300        0
LOWES COS INC                  COM              548661107      181     8000 SH       OTHER   01                  0     8000        0
MASCO CORP                     COM              574599106     1452    67200 SH       OTHER   01                  0    67200        0
MCDONALDS CORP                 COM              580135101     4124    70000 SH       OTHER   01                  0    70000        0
MCGRAW HILL COS INC            COM              580645109     3943    90000 SH       OTHER   01                  0    90000        0
MDS INC                        COM              55269P302     4324   222300 SH       OTHER   01                  0   222300        0
MEDTRONIC INC                  COM              585055106     1332    26500 SH       OTHER   01                  0    26500        0
MERRILL LYNCH & CO INC         COM              590188108     2684    50000 SH       OTHER   01                  0    50000        0
MICROCHIP TECHNOLOGY INC       COM              595017104      864    27500 SH       OTHER   01                  0    27500        0
MICRON TECHNOLOGY INC          COM              595112103     1581   218000 SH       OTHER   01                  0   218000        0
MICROSOFT CORP                 COM              594918104     4333   121700 SH       OTHER   01                  0   121700        0
NATIONAL SEMICONDUCTOR CORP    COM              637640103     3127   138100 SH       OTHER   01                  0   138100        0
NEWS CORP                      CL A             65248E104     2610   127400 SH       OTHER   01                  0   127400        0
NORTHROP GRUMMAN CORP          PFD SER B        666807300   258501  1774812 SH       SOLE                  1774812        0        0
NORTHROP GRUMMAN CORP          COM              666807102   364169  4630833 SH       DEFINED 01            4630833        0        0
NORTHROP GRUMMAN CORP          COM              666807102    83324  1059567 SH       SOLE                  1059567        0        0
OCCIDENTAL PETE CORP DEL       COM              674599105     3773    49000 SH       OTHER   01                  0    49000        0
OMNICARE INC                   COM              681904108     1364    59800 SH       OTHER   01                  0    59800        0
PARTNERRE LTD                  COM              G6852T105     1626    19700 SH       OTHER   01                  0    19700        0
PEMCO AVIATION INC             COM              706444106      153    54175 SH       DEFINED 01              54175        0        0
PEPSICO INC                    COM              713448108     6459    85100 SH       OTHER   01                  0    85100        0
PRAXAIR INC                    COM              74005P104     3016    34000 SH       OTHER   01                  0    34000        0
PROCTER & GAMBLE CO            COM              742718109     8025   109300 SH       OTHER   01                  0   109300        0
PROLOGIS                       SH BEN INT       743410102     2180    34400 SH       OTHER   01                  0    34400        0
PRUDENTIAL FINL INC            COM              744320102     1861    20000 SH       OTHER   01                  0    20000        0
PUBLIC STORAGE                 COM              74460D109     1666    22700 SH       OTHER   01                  0    22700        0
QUALCOMM INC                   COM              747525103     1181    30000 SH       OTHER   01                  0    30000        0
RIO TINTO PLC                  SPONSORED ADR    767204100     2939     7000 SH       OTHER   01                  0     7000        0
ROYAL DUTCH SHELL PLC          SPONS ADR A      780259206     3200    38000 SH       OTHER   01                  0    38000        0
SAFECO CORP                    COM              786429100     1537    27600 SH       OTHER   01                  0    27600        0
SCRIPPS E W CO OHIO            CL A             811054204     2953    65600 SH       OTHER   01                  0    65600        0
SIMON PPTY GROUP INC NEW       COM              828806109     1850    21300 SH       OTHER   01                  0    21300        0
SL GREEN RLTY CORP             COM              78440X101     1402    15000 SH       OTHER   01                  0    15000        0
SNAP ON INC                    COM              833034101     3604    74700 SH       OTHER   01                  0    74700        0
SOVEREIGN BANCORP INC          COM              845905108     2888   253350 SH       OTHER   01                  0   253350        0
SUN MICROSYSTEMS INC           COM NEW          866810203     2322   128100 SH       OTHER   01                  0   128100        0
SUNTRUST BKS INC               COM              867914103     2500    40000 SH       OTHER   01                  0    40000        0
SYSCO CORP                     COM              871829107     1717    55000 SH       OTHER   01                  0    55000        0
TARGET CORP                    COM              87612E106     3000    60000 SH       OTHER   01                  0    60000        0
TAUBMAN CTRS INC               COM              876664103     2091    42500 SH       OTHER   01                  0    42500        0
TENET HEALTHCARE CORP          COM              88033G100     3648   718200 SH       OTHER   01                  0   718200        0
TERADATA CORP DEL              COM              88076W103      958    34965 SH       OTHER   01                  0    34965        0
TEXAS INSTRS INC               COM              882508104     2515    75300 SH       OTHER   01                  0    75300        0
THERMO FISHER SCIENTIFIC INC   COM              883556102     1154    20000 SH       OTHER   01                  0    20000        0
THOR INDS INC                  COM              885160101     1368    36000 SH       OTHER   01                  0    36000        0
TIFFANY & CO NEW               COM              886547108      318     6900 SH       OTHER   01                  0     6900        0
TOTAL S A                      SPONSORED ADR    89151E109     4031    48800 SH       OTHER   01                  0    48800        0
TRACTOR SUPPLY CO              COM              892356106      837    23300 SH       OTHER   01                  0    23300        0
TRANSOCEAN INC NEW             SHS              G90073100     2203    15391 SH       OTHER   01                  0    15391        0
UNITED TECHNOLOGIES CORP       COM              913017109     3406    44500 SH       OTHER   01                  0    44500        0
UNIVERSAL AMERN FINL CORP      COM              913377107     1280    50000 SH       DEFINED                 50000        0        0
VANGUARD INTL EQUITY INDEX F   EMR MKT ETF      922042858    16083   154200 SH       DEFINED 01             154200        0        0
VIRGIN MEDIA INC               COM              92769L101     2511   146500 SH       OTHER   01                  0   146500        0
WAL MART STORES INC            COM              931142103     3707    78000 SH       OTHER   01                  0    78000        0
WALGREEN CO                    COM              931422109     4950   130000 SH       OTHER   01                  0   130000        0
WASHINGTON MUT INC             COM              939322103     1624   119300 SH       OTHER   01                  0   119300        0
WEINGARTEN RLTY INVS           SH BEN INT       948741103     1503    47800 SH       OTHER   01                  0    47800        0
WHOLE FOODS MKT INC            COM              966837106     1224    30000 SH       OTHER   01                  0    30000        0
XEROX CORP                     COM              984121103     2990   184700 SH       OTHER   01                  0   184700        0
ZALE CORP NEW                  COM              988858106     1759   109500 SH       OTHER   01                  0   109500        0