(a) To receive applications for certificates of responsibility, to investigate and examine applicants for same by holding hearings and securing information, to conduct examinations, and to issue certificates of responsibility to such contractors as the board finds to be responsible.

(b) To conduct thorough investigations of all applicants seeking renewal of their licenses and of all complaints filed with the board concerning the performance of a contractor on a public or private project.

(c) To obtain information concerning the responsibility of any applicant for a certificate of responsibility or a holder of a certificate of responsibility under this chapter. Such information may be obtained by investigation, by hearings, or by any other reasonable and lawful means. The board shall keep such information appropriately filed and shall disseminate same to any interested person. The board shall have the power of subpoena.

(d) To maintain a list of contractors to whom certificates of responsibility are issued, refused, revoked or suspended, which list shall be available to any interested person. Such list shall indicate the kind or kinds of works or projects for which a certificate of responsibility was issued, refused, revoked or suspended.

(e) To issue a citation to anyone performing work without having a valid certificate of responsibility as required by this chapter.

(f) To revoke by order entered on its minutes a certificate of responsibility upon a finding by the board that a particular contractor or qualifying party is not responsible, and to suspend such certificate of responsibility in particular cases pending investigation, upon cause to be stated in the board’s order of suspension. No such revocation or suspension shall be ordered without a hearing conducted upon not less than ten (10) days’ notice to such certificate holder by certified or registered mail, wherein the holder of the certificate of responsibility shall be given an opportunity to present all lawful evidence which he may offer.

(g) To adopt rules and regulations setting forth the requirements for certificates of responsibility, the revocation or suspension thereof, and all other matters concerning same; rules and regulations governing the conduct of the business of the board and its employees; and such other rules and regulations as the board finds necessary for the proper administration of this chapter, including those for the conduct of its hearings on the revocation or suspension of certificates of responsibility. Such rules and regulations shall not conflict with the provisions of this chapter.

(h) The board shall have the power and responsibility to classify the kind or kinds of works or projects that a contractor is qualified and entitled to perform under the certificate of responsibility issued to him. Such classification shall be specified in the certificate of responsibility.

(i) The board shall enter upon its minutes an order or decision upon each application filed with it, and it may state in such order or decision the reason or reasons for its order or decision.