Page 25 Exhibit 10(iii)A(c) CONSULTING AGREEMENT THIS AGREEMENT (the "Agreement") is entered into this 30th day of March, 1995 by and between NATIONAL SERVICE INDUSTRIES, INC., a Delaware corporation ("NSI"), and D. RAYMOND RIDDLE, a resident of Atlanta, Georgia ("Mr. Riddle"). W * I * T * N * E * S * S * E * T * H: WHEREAS, Mr. Riddle has served as an officer of NSI for over two (2) years, including two (2) years as President and Chief Executive Officer and more recently as Chairman of the Board and Chief Executive Officer; and WHEREAS, Mr. Riddle will resign the aforesaid offices upon the election of a successor, which is expected to occur on or before August 31, 1995; and WHEREAS, NSI desires to retain Mr. Riddle's experience and abilities and has offered to engage him to render consulting and advisory services to NSI following his resignation; and WHEREAS, Mr. Riddle has agreed to accept such engagement upon the terms and conditions hereinafter set forth; NOW, THEREFORE, in consideration of the premises and the mutual covenants herein contained, it is agreed as follows: Page 26 Exhibit 10(iii)A(c) 1. Term and Duties NSI hereby engages Mr. Riddle for a period beginning on the date of the election of his successor and continuing for three (3) years, as a general advisor and consultant to the management of NSI, in Atlanta, Georgia, on all matters pertaining to the business of NSI and to render such additional services as may be pertinent thereto. Such services will be rendered by Mr. Riddle upon the request of the Chairman of the Board or President of NSI as Mr. Riddle's schedule permits. NSI shall have no control over the daily activities of Mr. Riddle, and the unavailability or inability of Mr. Riddle to render services to NSI for any reason will not constitute a failure to perform any obligation hereunder. 2. Compensation As full and complete compensation for any and all services which Mr. Riddle may render to NSI hereunder, NSI will pay to Mr. Riddle the sum of Twenty-five Thousand Dollars ($25,000) per month during the term of this Agreement. In addition, NSI will, until the sooner of Mr. Riddle's death or his 65th birthday, continue to pay the employer share of the premiums of certain split-dollar life insurance policies owned by Mr. Riddle pursuant to an agreement among NSI, Mr. Riddle, and Wachovia Bank of Georgia, N.A. ("Wachovia") dated January 4, 1993 (the "Split- Dollar Agreement"). NSI and Mr. Riddle will amend the Split- Dollar Agreement accordingly and will also seek Wachovia's consent to delay the Payment Due Wachovia (as defined in the Split-Dollar Agreement) until the sooner of Mr. Riddle's death or his 65th birthday. Page 27 Exhibit 10(iii)A(c) 3. Independent Contractor Throughout the term hereof, Mr. Riddle shall be an independent contractor and shall not be an employee of NSI. Mr. Riddle shall not have the authority to bind NSI in any manner and will not participate in any employee benefit available to NSI employees by reason of services rendered hereunder. 4. Death or Disability In the event of the death of Mr. Riddle during the term of this Agreement, his estate shall be entitled to receive the monthly sum specified in Paragraph 2 above for the remaining term of this Agreement. The payments called for by Paragraph 2 above will continue notwithstanding any disability of Mr. Riddle. 5. Covenant Regarding Employment Mr. Riddle agrees that during the term of this Agreement, he will not, within the Territory (as defined below), be employed by, nor directly or indirectly provide services to, any person, persons, partnership, or corporation ("Person") other than NSI which offers or sells products or services of the same or similar kind as those offered or sold by any division or subsidiary of NSI during said term. "Territory" as used herein refers to the trade areas serviced by the divisions and subsidiaries of NSI in the States of Georgia, Alabama, Tennessee, North Carolina, South Carolina, Florida, and Texas. 6. Non-Disclosure Covenant Mr. Riddle agrees that during the term of this Agreement and following the end of said term, he will not, for or on behalf of himself or any Person other than NSI, directly or indirectly, use for his own benefit or disclose to any Person (other than NSI) Page 28 Exhibit 10(iii)A(c) any confidential information of NSI or any division or subsidiary of NSI. "Confidential information" as used herein means information relating to the business of NSI and its divisions and subsidiaries which derives economic value, actual or potential, from not being generally known to other persons and is the subject of efforts that are reasonable under the circumstances to maintain its secrecy or confidentiality. After two (2) years from the expiration of the term of this Agreement, confidential information shall not include information which is not a trade secret. 7. Non-Inducement Covenant Mr. Riddle agrees that during the term of this Agreement, he will not, directly or indirectly, for or on behalf of himself or any other Person, induce, persuade, or encourage or attempt to induce, persuade, or encourage any person who is employed by NSI or any of its divisions or subsidiaries at such time to terminate such employment and be employed by any other Person. 8. Non-Disparagement Covenant Mr. Riddle agrees that during the term of this Agreement, he will refrain from disparaging NSI and its divisions and subsidiaries and their respective directors, officers, and employees. 9. Complete Agreement This Agreement contains the entire agreement between the parties hereto and supersedes any prior understandings, whether oral or written, with respect to the subject matter hereof. Page 29 Exhibit 10(iii)A(c) 10. Scope of Agreement If the scope of any of the provisions of this Agreement is too broad in any respect whatsoever to permit enforcement to its fullest extent, then such provisions shall be enforced to the maximum extent permitted by law, and the parties hereto consent and agree that such scope may be judicially modified accordingly and that the whole of such provisions of this Agreement shall not thereby fail, but that the scope of such provisions shall be curtailed only to the extent necessary to conform to law. 11. Notices Unless otherwise specified herein, all notices to be given hereunder shall be by registered or certified mail. If given to NSI, such notice shall be addressed to NSI at 1420 Peachtree Street, N.E., Atlanta, Georgia 30309-3002, Attn.: David Levy, Executive Vice President, Administration and Counsel. If given to Mr. Riddle, such notice shall be addressed to Mr. Riddle at his last known address. Any such notice shall be effective as of the time of the mailing thereof. 12. Assignment This Agreement shall inure to the benefit of and be binding upon the heirs, executors, and administrators of Mr. Riddle and the successors and assigns of NSI. 13. Attorneys' Fees If any legal action or other proceeding is brought for the enforcement of this Agreement or because of an alleged dispute, breach, or default in connection with any of the provisions of this Agreement, the successful or prevailing party shall be entitled to recover reasonable attorneys' fees and other costs incurred in such action or proceeding, Page 30 Exhibit 10(iii)A(c) in addition to any other relief to which such party may be entitled. IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date first above written. ATTEST: NATIONAL SERVICE INDUSTRIES, INC. /S/ Kenyon W. Murphy By: /S/ John G. Medlin, Jr. Secretary John G. Medlin, Jr., Chairman Executive Resource and Nominating Committee of the Board of Directors WITNESS: /S/ Marion Jewett /S/ D. Raymond Riddle D. Raymond Riddle