Exhibit 3.6(e)

BY-LAWS

OF

ATLAS-TUCK CONCRETE, INC.

ARTICLE I. OFFICES

The principal office of the corporation in the State of Oklahoma shall be located in the City of Lawton, County of Comanche. The corporation may have such other offices, either within or without the State of Oklahoma, as the shareholders may designate or as the business of the corporation may require from time to time.

ARTICLE II. SHAREHOLDERS

AMENDED December 4, 1967:

SECTION 1. Annual Meeting. The annual meeting of the shareholders shall be held on the third Monday in the month of June in each year, beginning with the year 1968, at the hour of 9:00 o’clock a.m., for the purpose of electing Directors and for the transaction of such other business as may come before the meeting. If the day fixed for the annual meeting shall be a legal holiday in the State of Oklahoma, such meeting shall be held on the next succeeding business day. If the election of Directors shall not be held on the day designated herein for any annual meeting of the shareholders, or at any adjournment thereof, the Board of Directors shall cause the election to be held at a special meeting of the shareholders as soon thereafter as conveniently may be.

SECTION 2. Special Meetings. Special meetings of the shareholders, for any purpose or purposes, unless otherwise prescribed by statute, may be called by the President or by the Board of Directors, and shall be called by the President at the request of the holders of not

-1-

less than fifty per cent (50%) of all the outstanding shares of the corporation entitled to vote at the meeting.

SECTION 3. Place of Meeting. The Board of Directors may designate any place, either within or without the State of Oklahoma, unless otherwise prescribed by statute, as the place of meeting for any annual meeting or for any special meeting called by the Board of Directors. A waiver of notice signed by all shareholders entitled to vote at a meeting may designate any place, either within or without the State of Oklahoma, unless otherwise prescribed by statute, as the place for the holding of such meeting. If no designation is made, or if a special meeting be otherwise called, the place of meeting shall be the principal office of the corporation in the State of Oklahoma.

SECTION 4. Notice of Meeting. Written or printed notice stating the place, day and hour of the meeting, and, in case of a special meeting, the purpose or purposes for which the meeting is called, shall be delivered not less two nor more than ten days before the date of the meeting, either personally or by mail, by or at the direction of the President, or the Secretary, or the officer or persons calling the meeting. If mailed, such notice shall be deemed to be delivered when deposited in the United States mail, addressed to the shareholder at his address as it appears on the stock transfer books of the corporation, with postage thereon prepaid.

SECTION 5. Quorum. A majority of the outstanding shares of the corporation entitled to vote, represented in person or by proxy, shall constitute a quorum at a meeting of shareholders. If less than a majority of the outstanding shares are represented at a meeting, a majority of the shares so represented may adjourn the meeting from time to time without further notice. At such adjourned meeting at which a quorum shall be present or represented, any business may be transacted which might have been transacted at the meeting as originally

-2-

notified. The shareholders present at a duly organized meeting may continue to transact business until adjournment, notwithstanding the withdrawal of enough shareholders to leave less than a quorum.

SECTION 6. Proxies. At all meetings of shareholders, a shareholder may vote by proxy executed in writing by the shareholder or by his duly authorized attorney in fact. Such proxy shall be filed with the secretary of the corporation before or at the time of the meeting.

SECTION 7. Voting of Shares. Subject to the provisions of Section 11 of this Article II, each outstanding share entitled to vote shall be entitled to one vote upon each matter submitted to a vote at a meeting of shareholders.

SECTION 8. Voting of Shares by Certain Holders. Shares standing in the name of another corporation may be voted by such officer, agent or proxy as the by-laws of such corporation may prescribe, or, in the absence of such provision, as the board of directors of such corporation may determine.

Shares held by an administrator, executor, guardian or conservator may be voted by him, either in person or by proxy, without a transfer of such shares into his name.

SECTION 9. Cumulative Voting. Unless otherwise provided by law, at each election for Directors every shareholder entitled to vote at such election shall have the right to vote, in person or by proxy, the number of shares owned by him for as many persons as there are Directors to be elected and for whose election he has a right to vote, or to cumulate his votes by giving one candidate as many votes as the number of such Directors multiplied by the number of his shares shall equal, or by distributing such votes on the same principle among any number of candidates.

-3-

SECTION 10. Informal Action by Shareholders. Unless otherwise provided by law, any action required to be taken at a meeting of the shareholders, or any other action which may be taken at a meeting of the shareholders, may be taken without a meeting if a consent in writing, setting forth the action so taken, shall be signed by all of the shareholders entitled to vote with respect to the subject matter thereof.

ARTICLE III. BOARD OF DIRECTORS

SECTION 1. General Powers. The business and affairs of the corporation shall be managed by its Board of Directors.

SECTION 2. Number, Tenure and Qualifications. The number of directors of this corporation shall not be more than six (6) in number nor less than one (1) in number, the actual number between said limits to be established by the stockholders of the corporation. Said directors must be legally competent to enter into contracts but need not be shareholders of the corporation or resident citizens of the State of Oklahoma. Each director shall hold office until the next annual meeting of the stockholders or until his or her successor shall have been elected and qualified. Amended 1/15/98.

SECTION 3. Regular Meetings. A regular meeting of the Board of Directors shall be held without other notice than this By-Law immediately after, and at the same place as, the annual meeting of shareholders. The Board of Directors may provide, by resolution, the time and place for the holding of additional regular meetings without other notice than such resolution.

SECTION 4. Special Meetings. Special meetings of the Board of Directors may be called by or at the request of the President or by holders of fifty per cent (50%) or more of the outstanding stock. The person or persons authorized to call special meetings of the Board of

-4-

Directors may fix the place for holding any special meeting of the Board of Directors called by them.

SECTION 5. Notice. Notice of any special meeting shall be given at least two (2) days previously thereto by written notice delivered personally or mailed to each director at his business address. If mailed, such notice shall be deemed to be delivered when deposited in the United States mail so addressed, with postage thereon prepaid. Any director may waive notice of any meeting. The attendance of a director at a meeting shall constitute a waiver of notice of such meeting, except where a director attends a meeting for the express purpose of objecting to the transaction of any business because the meeting is not lawfully called or convened.

SECTION 6. Quorum. A majority of the number of directors fixed by Section 2. of this Article III shall constitute a quorum for the transaction of business at any meeting of the board of directors, but if less than such majority is present at a meeting, a majority of the directors present may adjourn the meeting, from time to time, without further notice. Amended 1/15/98.

SECTION 7. Manner of Acting. The act of the majority of the directors present at a meeting at which a quorum is present shall be the act of the Board of Directors.

SECTION 8. Vacancies. Any vacancy occurring in the Board of Directors may be filled by the affirmative vote of a majority of the remaining directors though less than a quorum of the Board of Directors, unless otherwise provided by law. A director elected to fill a vacancy shall be elected for the unexpired term of his predecessor in office. Any directorship to be filled by reason of an increase in the number of directors shall be filled by election at an annual meeting or at a special meeting of shareholders called for that purpose.

-5-

SECTION 9. Compensation. By resolution of the Board of directors, the Directors may be paid their expenses, if any, of attendance at each meeting of the Board of Directors, and may be paid a fixed sum for attendance at each meeting of the Board of Directors or a stated salary as Director. No such payment shall preclude any director from serving the corporation in any other capacity and receiving compensation therefor.

SECTION 10. Presumption of Assent. A director of the corporation who is present at a meeting of the Board of Directors at which action on any corporate matter is taken shall be presumed to have assented to the action taken unless his dissent shall be entered in the minutes of the meeting or unless he shall file his written dissent to such action with the person acting as the secretary of the meeting before the adjournment thereof or shall forward such dissent by registered mail to the Secretary of the corporation immediately after the adjournment of the meeting. Such right to dissent shall not apply to a Director who voted in favor of such action.

ADDED December 4, 1967:

SECTION 11. Any action which might be taken at a meeting of the board of directors may be taken without a meeting, if a record or memorandum thereof be made in writing and signed by all members of the board.

ARTICLE IV.

SECTION 1. [missing] shall be a President, a Vice-President, and a Secretary-Treasurer, each of whom shall be elected by the Board of Directors. Such other officers and assistant officers as may be deemed necessary may be elected or appointed by the Board of Directors.

-6-

SECTION 2. Election and Term of Office. The officers of the corporation to be elected by the Board of Directors shall be elected annually by the Board of Directors at the first meeting of the Board of Directors held after each annual meeting of the shareholders. If the election of officers shall not be held at such meeting, such election shall be held as soon thereafter as conveniently may be. Each officer shall hold office until his successor shall have been duly elected and shall have qualified or until his death or until he shall resign or shall have been removed in the manner hereinafter provided.

SECTION 3. Removal. Any officer or agent elected or appointed by the Board of Directors may be removed by the Board of Directors whenever in its judgment the best interests of the corporation would be served thereby, but such removal shall be without prejudice to the contract rights, if any, of the person so removed.

SECTION 4. Vacancies. A vacancy in any office because of death, resignation, removal, disqualification or otherwise, may be filled by the Board of Directors for the unexpired portion of the term.

SECTION 5. President. The President shall be the principal executive officer of the corporation and, subject to the control of the Board of Directors, shall in general supervise and control all of the business and affairs of the corporation. He shall, when present, preside at all meetings of the shareholders and of the Board of Directors. He may sign, with the Secretary or any other proper officer of the corporation thereunto authorized by the Board of Directors, certificates for shares of the corporation, any deeds, mortgage, bonds, contracts, or other instruments which the Board of Directors has authorized to be executed, except in cases where the signing and execution thereof shall be expressly delegated by the Board of Directors or by these By-Laws to some other officer or agent of the corporation, or shall be required by law to be

-7-

otherwise signed or executed; and in general shall perform all duties incident to the office of the President and such other duties as may be prescribed by the Board of Directors from time to time.

SECTION 6. Vice-President. In the absence of the President or in event of his death, inability or refusal to act, the Vice-President shall perform the duties of the President, and when so acting, shall have all the powers of and be subject to all the restrictions upon the President. The Vice-President shall perform such other duties as from time to time may be assigned to him by the President or by the Board of Directors.

SECTION 7. Secretary-Treasurer. The Secretary-Treasurer shall: (a) keep the minutes of the shareholders’ and of the Board of Directors’ meetings in one or more books provided for that purpose; (b) see that all notices are duly given in accordance with the provisions of these By-Laws or as required by law; (c) be custodian of the corporate records and of the seal of the corporation and see that the seal of the corporation is affixed to all documents the execution of which on behalf of the corporation under its seal is duly authorized; (d) keep a register of the post office address of each shareholder; (e) have general charge of the stock transfer books of the corporation; (f) if required by the Board of Directors, the Treasurer shall give a bond for the faithful discharge of his duties in such sum and with such surety or sureties as the Board of Directors shall determine; (g) have charge and custody of and be responsible for all funds and securities of the corporation; receive and give receipts for moneys due and payable to the corporation from any source whatsoever, and deposit all such moneys in the name of the corporation in such banks, trust companies or other depositaries as shall be selected in accordance with the provisions of Article V of these By-Laws; and (h) in general perform all of the duties as from time to time may be assigned to him by the President or by the Board of Directors.

-8-

ARTICLE V. CONTRACTS, LOANS, CHECKS AND DEPOSITS

SECTION 1. Contracts. The Board of Directors may authorize any officer of officers, agent or agents, to enter into any contract or execute and deliver any instrument in the name of and on behalf of the corporation, and such authority may be general or confined to specific instances.

AMENDED December 7, 1964:

SECTION 2. Loans. No loans shall be contracted on behalf of the corporation and no evidences of indebtedness shall be issued in its name unless authorized by a resolution of the board of directors. Such authority may be general or confined to specific instances.

SECTION 3. Checks, drafts, etc. All checks, drafts or other orders for the payment of money, notes or other evidences of indebtedness issued in the name of the corporation, shall be signed by such officer or officers, agent or agents of the corporation and in such manner as shall from time to time be determined by resolution of the Board of Directors.

SECTION 4. Deposits. All funds of the corporation not otherwise employed shall be deposited from time to time to the credit of the corporation in such banks, trust companies or other depositaries as the Board of Directors may select.

ARTICLE VI. CERTIFICATES FOR SHARES AND THEIR TRANSFER

SECTION 1. Certificates for Shares. Certificates representing shares of the corporation shall be in such form as shall be determined by the Board of Directors. Such certificates shall be signed by the President and by the Secretary or by such other officers authorized by law and by the Board of Directors to do so. All certificates for shares shall be consecutively numbered or otherwise identified. The name and address of the person to whom the shares represented thereby are issued, with number of share and date of issue, shall be entered

-9-

on the stock transfer books of the corporation. All certificates surrendered to the corporation for transfer shall be cancelled and no new certificate shall be issued until the former certificate for a like number of shares shall have been surrendered and cancelled, except that in case of a lost, destroyed or mutilated certificate a new one may be issued therefor upon such terms and indemnity to the corporation as the Board of Directors may prescribe.

SECTION 2. Transfer of Shares. Transfer of shares of the corporation shall be made only on the stock transfer books of the corporation by the holder of record thereof or by his legal representative, who shall furnish proper evidence of authority to transfer, or by his attorney thereunto authorized by power of attorney duly executed and filed with the Secretary of the corporation, and on surrender for cancellation of the certificate for such shares. The person in whose name shares stand on the books of the corporation shall be deemed by the corporation to be the owner thereof for all purposes. Further Transfer of Shares by the corporation will be in respect to any restrictive endorsements thereon.

ARTICLE VII. FISCAL YEAR

The fiscal year of the corporation shall begin on the lst day of January and end on the 31st day of December in each year.

ARTICLE VIII. DIVIDENDS

The Board of Directors may from time to time declare, and the corporation may pay, dividends on its outstanding shares in the manner and upon the terms and conditions provided by law and its good judgment. Nothing herein will prohibit the Board of Director from setting aside from earnings and net profits reserves for repairs, materials and purchase of replacement machines.

-10-

ARTICLE IX. SEAL

The Board of Directors shall provide a corporate seal which shall be circular in form and shall have inscribed thereon the name of the corporation and state of incorporation and the words, “Corporate Seal”.

ARTICLE X. WAIVER OF NOTICE

Unless other wise provided by law, whenever any notice is required to be given to any shareholder or director of the corporation under the provisions of these By-Laws or under the provisions of the articles of incorporation, a waiver thereof in writing, signed by the person or persons entitled to such notice, whether before or after the time stated therein, shall be deemed equivalent to the giving of such notice.

ARTICLE XI. AMENDMENTS

These By-Laws may be altered, amended or repealed and new By-Laws may be adopted by a vote of the shareholders representing a majority of all the shares issued and outstanding, at any annual shareholders’ meeting or at any special shareholders’ meeting when the proposed amendment has been set out in the notice of such meeting.

-11-