Exhibit 99.1

FOR IMMEDIATE RELEASE

Chicago Rivet & Machine Co. Announces First Quarter Results of Operations.

Naperville, IL, May 9, 2011.  Chicago Rivet & Machine Co. (NYSE Amex, symbol: CVR) today announced results for the first quarter of 2011 as summarized below:

CHICAGO RIVET & MACHINE CO.

Summary of Consolidated Results of Operations

For the Three Months Ended March 31

	2011		2010
Net sales	$	7,814,368	$	6,761,393
Income before income taxes		177,022		48,869
Net income		117,022		33,869
Net income per share		.12		.04
Average shares outstanding		966,132		966,132

(All figures subject to year-end audit)

Contact:

     Kimberly A. Kirhofer

     Chicago Rivet & Machine Co.

     (630) 357-8500