1. Short title This Act may be cited as the Expanding Contracting Opportunities for Small Businesses Act of 2018 . 2. Amendments to contracting authority for certain small business concerns (a) Qualified HUBZone small business concerns Subparagraph (A) of section 31(b)(2) of the Small Business Act ( 15 U.S.C. 657a(b)(2) ) is amended to read as follows: (A) Sole source contracts A contracting officer may award sole source contracts under this section to any qualified HUBZone small business concern, if— (i) the qualified HUBZone small business concern is determined to be a responsible contractor with respect to performance of such contract opportunity; (ii) the contracting officer does not have a reasonable expectation that two or more qualified HUBZone small business concerns will submit offers for the contracting opportunity; (iii) the anticipated award price of the contract will not exceed— (I) $7,000,000, in the case of a contract opportunity assigned a standard industrial classification code for manufacturing; or (II) $4,000,000, in the case of all other contract opportunities; and (iv) in the estimation of the contracting officer, the contract award can be made at a fair and reasonable price. . (b) Small business concern owned and controlled by service-Disabled veterans Subsection (a) of section 36 of the Small Business Act ( 15 U.S.C. 657f ) is amended to read as follows: (a) Sole Source Contracts In accordance with this section, a contracting officer may award a sole source contract to any small business concern owned and controlled by service-disabled veterans if— (1) such concern is determined to be a responsible contractor with respect to performance of such contract opportunity; (2) the contracting officer does not have a reasonable expectation that two or more small business concerns owned and controlled by service-disabled veterans will submit offers for the contracting opportunity