Tier One Property Services, L.L.C. is a minority-owned facility services provider of commercial janitorial, building maintenance and specialty property services with the capacity of serving customers throughout the United States. Whether it’s commercial office buildings, healthcare facilities, school districts, governmental facilities, warehouse and distribution operations, manufacturing and sports facilities — our customers can expect high standards of quality, professional process, and a proficient motivated workforce for Tier One Aztec Property Services. Tier One Aztec Property Services is a nationally recognized and certified by the National Minority Supplier Development Council.