FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * Summers Scott E.   2. Issuer Name and Ticker or Trading Symbol Primoris Services Corp [PRIM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) __X__ Other (specify below) See remarks (Last) (First) (Middle) C/O PRIMORIS SERVICES CORPORATION, 2100 MCKINNEY AVENUE, SUITE 1500 3. Date of Earliest Transaction (Month/Day/Year) 03/10/2011 (Street) DALLAS, TX 75201 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/10/2011   P   7,342 (1) A $ 6.81 7,342 D   Common Stock               1,462,367 (2) I Held by Summers Family Trust Common Stock               17,805 (3) I Held by Scott Summers' children's trusts.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Summers Scott E. C/O PRIMORIS SERVICES CORPORATION 2100 MCKINNEY AVENUE, SUITE 1500 DALLAS, TX 75201				See remarks

Signatures

/s/ Peter J. Moerbeek, by power of attorney		03/18/2011
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Purchased Common Stock shares as part of the Company's Long-Term Retention Plan. The Plan provides certain management employees the opportunity to purchase Company stock with a defined portion of their annual incentive compensation at a discount to the market price. For 2011, purchases were made at a 25% reduction to the average closing price during January 2011. Shares cannot be sold prior to October 25, 2011.
(2)	These shares are owned directly by the Summers Family Trust and indirectly by Scott E. Summers, as trustee of the trust.
(3)	5,935 shares each of Common Stock are held by Scott Summer's children's trusts: 1)Patrick Summers, Trustee of the Christen Leigh Summers Trust 12/17/09; 2)Patrick Summers, Trustee of the Briana Lynn Summers Trust 12/17/09; 3) Patrick Summers, Trustee of the Danielle June Summers Trust 12/22/09. Patrick Summers is the brother of Scott E. Summers.
Remarks: Member of 13(d) group owning more than 10%.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.