Power of Attorney

Know all by these presents that the undersigned hereby constitutes
and appoints each of the President and Chief Executive Office of
Landstar System, Inc. (the "Company") (a position currently held by
James B. Gattoni), General Counsel of the Company (a position
currently held by Michael K. Kneller) and the Vice President and
Controller of Landstar System Holdings, Inc. (a position currently
held by James P. Todd), signing singly, the undersigned's true and
lawful attorney-in-fact to:

(1) prepare, execute in the undersigned's name and on the
undersigned's behalf, and submit to the U.S. Securities and Exchange
Commission(the "SEC") a Form ID, including amendments thereto, and
any other documents necessary or appropriate to obtain codes and
passwords enabling the undersigned to make electronic filings with
the SEC of reports required by Section 16(a) of the Securities
Exchange Act of 1934 or any rule or regulation of the SEC;

(2) execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer and/or director of the Company, Forms 3, 4, and
5 in accordance with Section 16(a) of the Securities Act of 1934 and
the rules thereunder, and any other forms or reports the undersigned
may be required to file in connection with the undersigned's
ownership, acquisition, or disposition of securities of the Company;

(3) do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete and execute
any such Form 3, 4, or 5, or such other form or report, and timely file
 such form or report with the SEC and any stock exchange or similar
authority; and

(4) take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of
benefit to, in the best interest of, or legally required by, the
undersigned, it being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to this Power
of Attorney shall be in such form and shall contain such terms and
conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power
 and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the
rights and powers herein granted, as fully to all intents and purposes
as the undersigned might or could do if personally present, with full
power of substitution or revocation, hereby ratifying and confirming all
that such attorney-in-fact, or such attorney-in-fact's substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and
the rights and powers herein granted.

The undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, are not
assuming, nor is the Company assuming, any of the undersigned's
responsibilities to comply with Section 16 of the Securities Exchange Act
of 1934.

This Power of Attorney revokes any prior Power of Attorney executed by
the undersigned with respect to the matters addressed in this Power of
Attorney.  This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4, and 5 with
respect to the undersigned's holdings of and transactions in securities
issued by the Company, unless earlier revoked by the undersigned in a
signed writing delivered to the Chief Executive Officer or General Counsel
of the Company.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as this 24th day of May, 2021.

By:/s/ Federico L. Pensotti
Name:  Federico L. Pensotti