<?xml version="1.0" encoding="utf-8"?>
<!--Initial Contractor taxonomy-->
<xs:schema
  attributeFormDefault="unqualified"
  elementFormDefault="qualified"
  targetNamespace="http://xbrl.us/contractor/v0.1/2019-09-01/contractor-all"
  xmlns:contractor="http://xbrl.us/contractor/v0.1/2019-09-01/contractor"
  xmlns:contractor-all="http://xbrl.us/contractor/v0.1/2019-09-01/contractor-all"
  xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric"
  xmlns:xbrldt="http://xbrl.org/2005/xbrldt"
  xmlns:xbrli="http://www.xbrl.org/2003/instance"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <xs:annotation>
        <xs:documentation>This schema contains core elements for the Contractor taxonomy and is a comprehensive list of all roles.</xs:documentation>
        <xs:appinfo>
            <link:roleType
              id="roleType_StatementOfFinancialPosition"
              roleURI="http://xbrl.us/contractor/v0.1/2019-09-01/roles/StatementOfFinancialPosition">
                <link:definition>100 - Statement Of Financial Position</link:definition>
                <link:usedOn>link:presentationLink</link:usedOn>
                <link:usedOn>link:definitionLink</link:usedOn>
                <link:usedOn>link:calculationLink</link:usedOn>
            </link:roleType>
            <link:roleType
              id="roleType_StatementOfIncome"
              roleURI="http://xbrl.us/contractor/v0.1/2019-09-01/roles/StatementOfIncome">
                <link:definition>200 - Statement of Income</link:definition>
                <link:usedOn>link:presentationLink</link:usedOn>
                <link:usedOn>link:definitionLink</link:usedOn>
                <link:usedOn>link:calculationLink</link:usedOn>
            </link:roleType>
            <link:roleType
              id="roleType_StatementOfComprehensiveIncome"
              roleURI="http://xbrl.us/contractor/v0.1/2019-09-01/roles/StatementOfComprehensiveIncome">
                <link:definition>201 - Statement of Comprehensive Income</link:definition>
                <link:usedOn>link:presentationLink</link:usedOn>
                <link:usedOn>link:calculationLink</link:usedOn>
            </link:roleType>
            <link:roleType
              id="roleType_DocumentAndEntity"
              roleURI="http://xbrl.us/contractor/v0.1/2019-09-01/roles/DocumentAndEntity">
                <link:definition>300 - Document and Entity Information</link:definition>
                <link:usedOn>link:presentationLink</link:usedOn>
            </link:roleType>
            <link:linkbaseRef
              xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"
              xlink:href="contractor_all_2019-09-01_r01_pre.xml"
              xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef"
              xlink:type="simple"/>
            <link:linkbaseRef
              xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"
              xlink:href="contractor_all_2019-09-01_r01_def.xml"
              xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef"
              xlink:type="simple"/>
            <link:linkbaseRef
              xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase"
              xlink:href="contractor_all_2019-09-01_r01_cal.xml"
              xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef"
              xlink:type="simple"/>
        </xs:appinfo>
    </xs:annotation>
    <xs:import
      namespace="http://www.xbrl.org/2003/instance"
      schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
    <xs:import
      namespace="http://xbrl.org/2005/xbrldt"
      schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
    <xs:import
      namespace="http://xbrl.sec.gov/dei/2019-01-31"
      schemaLocation="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd"/>
    <xs:import
      namespace="http://xbrl.us/contractor/v0.1/2019-09-01/contractor"
      schemaLocation="contractor_2019-09-01_r01.xsd"/>
</xs:schema>