CMG Construction LLC in conjunction with our affiliated aggregate production company, Johnson Lane Enterprises produces custom manufactured aggregate products for our clients and self-performed construction projects. Johnson Lane operates two mobile aggregate crushers and one wash plant to produce the aggregate materials necessary to make your project a success. In addition to aggregate manufacturing, CMG & Johnson Lane control over 15 aggregate sources in Montana & western North Dakota allowing the ability to provide competitive construction and aggregate price for remote projects. At times projects may require onsite aggregate production. CMG & Johnson Lane are mobile and ready to provide the onsite service needed.