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

                                    FORM 8-K

                                 CURRENT REPORT
     PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) May 14, 2007

                            MERRIMAC INDUSTRIES, INC.
             (Exact name of registrant as specified in its charter)

          Delaware                    0-11201                  22-1642321
(State or other jurisdiction        (Commission             (I.R.S. Employer
      of incorporation)             File Number)           Identification No.)

41 Fairfield Place, West Caldwell, New Jersey                       07006
   (Address of principal executive offices)                       (Zip Code)

Registrant's telephone number, including area code (973) 575-1300

________________________________________________________________________________
         (Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[_]  Written communications pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

[_]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
     240.14a-12)

[_]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[_]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13a-4(c))



ITEM 2.02. RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On May 14, 2007, Merrimac Industries, Inc. issued a press release announcing
results of operations for the first quarter ended March 31, 2007. The entire
text of the press release is furnished as Exhibit 99.1.

ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS.

(c) Exhibits.

99.1 Press release dated May 14, 2007 issued by Merrimac Industries, Inc.,
     announcing results of operations for the first quarter ended March 31,
     2007.



                                    SIGNATURE

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                        MERRIMAC INDUSTRIES, INC.


                                        By: /s/ Robert V. Condon
                                            ------------------------------------
                                        Name: Robert V. Condon
                                        Title: Vice President, Finance
                                        and Chief Financial Officer

Date: May 14, 2007