diff --git a/.travis.yml b/.travis.yml
index f8f036f2..25e3656b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,6 +20,22 @@ env:
     - secure: "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"
     - secure: "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"
 
+# use YAML aliases and anchors to avoid duplication in stages
+# c.f. https://github.com/travis-ci/travis-ci/issues/8295#issuecomment-454457787
+manylinux-build: &manylinux-build
+      stage: "Build manylinux images"
+      before_install:
+        # Load cached docker images
+        - if [[ -d $HOME/docker ]]; then ls $HOME/docker/*.tar.gz | xargs -I {file} sh -c "zcat {file} | docker load"; fi
+      script:
+        - PLATFORM=$PLATFORM TRAVIS_COMMIT=$TRAVIS_COMMIT ./build.sh
+      deploy:
+        provider: script
+        script: docker/deploy.sh
+        on:
+          branch: master
+          repo: pypa/manylinux
+
 jobs:
   include:
     - stage: "Patch glibc"
@@ -33,17 +49,9 @@ jobs:
       before_cache:
         # Save tagged docker images
         - mkdir -p $HOME/docker && docker images -a --filter='dangling=false' --format '{{.Repository}}:{{.Tag}} {{.ID}}' | grep 'centos-with-vsyscall:latest' | xargs -n 2 -t sh -c 'test -e $HOME/docker/$1.tar.gz || docker save $0 | gzip -2 > $HOME/docker/$1.tar.gz'
-    - stage: "Build manylinux images"
+    - <<: *manylinux-build
       env:
         - PLATFORM="x86_64"
-      before_install:
-        # Load cached docker images
-        - if [[ -d $HOME/docker ]]; then ls $HOME/docker/*.tar.gz | xargs -I {file} sh -c "zcat {file} | docker load"; fi
-      script:
-        - PLATFORM=$PLATFORM TRAVIS_COMMIT=$TRAVIS_COMMIT ./build.sh
-      deploy:
-        provider: script
-        script: docker/deploy.sh
-        on:
-          branch: master
-          repo: pypa/manylinux
+    - <<: *manylinux-build
+      env:
+        - PLATFORM="i686"
diff --git a/docker/Dockerfile-i686 b/docker/Dockerfile-i686
new file mode 100644
index 00000000..965a6662
--- /dev/null
+++ b/docker/Dockerfile-i686
@@ -0,0 +1,27 @@
+FROM i386/centos:6
+LABEL maintainer="The ManyLinux project"
+
+ENV AUDITWHEEL_ARCH i686
+ENV AUDITWHEEL_PLAT manylinux2010_$AUDITWHEEL_ARCH
+ENV LC_ALL en_US.UTF-8
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US.UTF-8
+ENV DEVTOOLSET_ROOTPATH /opt/rh/devtoolset-7/root
+ENV PATH $DEVTOOLSET_ROOTPATH/usr/bin:$PATH
+ENV LD_LIBRARY_PATH $DEVTOOLSET_ROOTPATH/usr/lib:$DEVTOOLSET_ROOTPATH/usr/lib:$DEVTOOLSET_ROOTPATH/usr/lib/dyninst:/usr/local/lib
+ENV PKG_CONFIG_PATH /usr/local/lib/pkgconfig
+
+# Set a base architecture of yum package to i386
+RUN echo "i386" > /etc/yum/vars/basearch
+
+# To have linux32 command 
+RUN yum -y update && \
+    yum install -y util-linux-ng
+
+COPY build_scripts /build_scripts
+RUN linux32 bash build_scripts/build.sh && rm -r build_scripts
+
+ENV SSL_CERT_FILE=/opt/_internal/certs.pem
+
+ENTRYPOINT ["linux32"]
+CMD ["/bin/bash"]
diff --git a/docker/Dockerfile-x86_64 b/docker/Dockerfile-x86_64
index 038159e8..f8bd301d 100644
--- a/docker/Dockerfile-x86_64
+++ b/docker/Dockerfile-x86_64
@@ -2,12 +2,14 @@
 FROM quay.io/pypa/manylinux2010_centos-6-no-vsyscall
 LABEL maintainer="The ManyLinux project"
 
-ENV AUDITWHEEL_PLAT manylinux2010_x86_64
+ENV AUDITWHEEL_ARCH x86_64
+ENV AUDITWHEEL_PLAT manylinux2010_$AUDITWHEEL_ARCH
 ENV LC_ALL en_US.UTF-8
 ENV LANG en_US.UTF-8
 ENV LANGUAGE en_US.UTF-8
-ENV PATH /opt/rh/devtoolset-8/root/usr/bin:$PATH
-ENV LD_LIBRARY_PATH /opt/rh/devtoolset-8/root/usr/lib64:/opt/rh/devtoolset-8/root/usr/lib:/opt/rh/devtoolset-8/root/usr/lib64/dyninst:/opt/rh/devtoolset-8/root/usr/lib/dyninst:/usr/local/lib64:/usr/local/lib
+ENV DEVTOOLSET_ROOTPATH /opt/rh/devtoolset-8/root
+ENV PATH $DEVTOOLSET_ROOTPATH/usr/bin:$PATH
+ENV LD_LIBRARY_PATH $DEVTOOLSET_ROOTPATH/usr/lib64:$DEVTOOLSET_ROOTPATH/usr/lib:$DEVTOOLSET_ROOTPATH/usr/lib64/dyninst:$DEVTOOLSET_ROOTPATH/usr/lib/dyninst:/usr/local/lib64:/usr/local/lib
 ENV PKG_CONFIG_PATH /usr/local/lib/pkgconfig
 
 COPY build_scripts /build_scripts
diff --git a/docker/build_scripts/build.sh b/docker/build_scripts/build.sh
index 94e18a47..cc9d7060 100755
--- a/docker/build_scripts/build.sh
+++ b/docker/build_scripts/build.sh
@@ -33,8 +33,13 @@ MANYLINUX2010_DEPS="glibc-devel libstdc++-devel glib2-devel libX11-devel libXext
 # Get build utilities
 source $MY_DIR/build_utils.sh
 
-# See https://unix.stackexchange.com/questions/41784/can-yum-express-a-preference-for-x86-64-over-i386-packages
-echo "multilib_policy=best" >> /etc/yum.conf
+# Prerequisite for architecture
+case $AUDITWHEEL_ARCH in
+x86_64)
+  # See https://unix.stackexchange.com/questions/41784/can-yum-express-a-preference-for-x86-64-over-i386-packages
+  echo "multilib_policy=best" >> /etc/yum.conf
+  ;;
+esac
 
 # https://hub.docker.com/_/centos/
 # "Additionally, images with minor version tags that correspond to install
@@ -46,8 +51,35 @@ echo "multilib_policy=best" >> /etc/yum.conf
 # Decided not to clean at this point: https://github.com/pypa/manylinux/pull/129
 yum -y update
 
-# Software collection (for devtoolset-8) and EPEL support (for cmake28 & yasm)
-yum -y install centos-release-scl https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm
+# EPEL support (for cmake28 & yasm)
+yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm
+
+case $AUDITWHEEL_ARCH in
+x86_64)
+  # Install devtoolset-8
+  yum -y install centos-release-scl
+  yum -y install \
+    devtoolset-8-binutils \
+    devtoolset-8-gcc \
+    devtoolset-8-gcc-c++ \
+    devtoolset-8-gcc-gfortran \
+  ;;
+i686)
+  # Install devtoolset-7 (binutils, gcc, gcc-c++, gcc-gfortran)
+  devtoolset7s=(
+    "devtoolset-7-runtime-7.1-4.el6.i686.rpm"
+    "devtoolset-7-binutils-2.28-11.el6.i686.rpm"
+    "devtoolset-7-gcc-7.3.1-5.10.el6.i686.rpm"
+    "devtoolset-7-libstdc++-devel-7.3.1-5.10.el6.i686.rpm"
+    "devtoolset-7-gcc-c++-7.3.1-5.10.el6.i686.rpm"
+    "devtoolset-7-libquadmath-devel-7.3.1-5.10.el6.i686.rpm"
+    "devtoolset-7-gcc-gfortran-7.3.1-5.10.el6.i686.rpm"
+  )
+  for rpm in "${devtoolset7s[@]}"; do
+	  yum install -y "https://www.repo.cloudlinux.com/cloudlinux/6.10/sclo/devtoolset-7/i386/$rpm"
+  done
+  ;;
+esac
 
 # Development tools and libraries
 yum -y install \
@@ -55,10 +87,6 @@ yum -y install \
     bison \
     bzip2 \
     cmake28 \
-    devtoolset-8-binutils \
-    devtoolset-8-gcc \
-    devtoolset-8-gcc-c++ \
-    devtoolset-8-gcc-gfortran \
     diffutils \
     gettext \
     file \
@@ -183,9 +211,9 @@ find /opt/_internal -depth \
 # Fix libc headers to remain compatible with C99 compilers.
 find /usr/include/ -type f -exec sed -i 's/\bextern _*inline_*\b/extern __inline __attribute__ ((__gnu_inline__))/g' {} +
 
-# remove useless things that have been installed by devtoolset-8
-rm -rf /opt/rh/devtoolset-8/root/usr/share/man
-find /opt/rh/devtoolset-8/root/usr/share/locale -mindepth 1 -maxdepth 1 -not \( -name 'en*' -or -name 'locale.alias' \) | xargs rm -rf
+# remove useless things that have been installed by devtoolset
+rm -rf $DEVTOOLSET_ROOTPATH/usr/share/man
+find $DEVTOOLSET_ROOTPATH/usr/share/locale -mindepth 1 -maxdepth 1 -not \( -name 'en*' -or -name 'locale.alias' \) | xargs rm -rf
 rm -rf /usr/share/backgrounds
 # if we updated glibc, we need to strip locales again...
 localedef --list-archive | grep -v -i ^en_US.utf8 | xargs localedef --delete-from-archive
@@ -194,4 +222,3 @@ build-locale-archive
 find /usr/share/locale -mindepth 1 -maxdepth 1 -not \( -name 'en*' -or -name 'locale.alias' \) | xargs rm -rf
 find /usr/local/share/locale -mindepth 1 -maxdepth 1 -not \( -name 'en*' -or -name 'locale.alias' \) | xargs rm -rf
 rm -rf /usr/local/share/man
-