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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 WahkRB8JyWjhM4Yv1usbkv892rVGXZRfRGOkKmzds7lFgI4/Gw4bKXTXozsjD2HT
 VnMExH0gijtNUV+gsI5kuQ==

<SEC-DOCUMENT>9999999995-07-003936.txt : 20071005
<SEC-HEADER>9999999995-07-003936.hdr.sgml : 20071005
<ACCEPTANCE-DATETIME>20071005001532
ACCESSION NUMBER:		9999999995-07-003936
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20071004
DATE AS OF CHANGE:		20071005
EFFECTIVENESS DATE:		20071004

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Main Street Capital CORP
		CENTRAL INDEX KEY:			0001396440
		IRS NUMBER:				412230745
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-142879
		FILM NUMBER:		071158039

	BUSINESS ADDRESS:	
		STREET 1:		1300 POST OAK BOULEVARD
		STREET 2:		SUITE 800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056
		BUSINESS PHONE:		(713) 350-6000

	MAIL ADDRESS:	
		STREET 1:		1300 POST OAK BOULEVARD
		STREET 2:		SUITE 800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056
</SEC-HEADER>
<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2007-10-04</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>12:15:00</finalEffectivenessDispTime>
        <form>N-2</form>
        <filer>
            <cik>0001396440</cik>
            <entityName>Main Street Capital CORP</entityName>
            <fileNumber>333-142879</fileNumber>
        </filer>
    </effectiveData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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