Your Premier Small Business Partner

An ISO 9001-2015 Certified Company

With more than 15 years of providing superior facilities operations and maintenance and base operations support services, our comprehensive management approach provides a high level of contract performance, unparalleled customer service and a highly professional workforce that works safely and delivers quality, cost-effective solutions.

Our approach provides:

  • Predictable and Efficient Operations
  • Regulatory Compliance
  • Expert, Integrated Services


SOI is a national presence in facilities management and maintenance with remote site experience and a standout safety record. From infrastructure operations to environmental services, our project managers get the job done right, day in and day out.

  • SOI’s Facilities Operations and Maintenance Services capabilities include maintaining normal operations, maintenance, repair, and minor construction of facilities on Department of Defense (DoD) Installations.
  • Our Recurring Work Program (RWP) encompasses everyday care, preventative services, repair services, grounds maintenance, and repair of real property.
  • SOI’s skilled professionals and craftsmen offer the full range of civil engineering and craft services, including Electrical, Carpentry, Wastewater Plant operations and maintenance, Boiler Plant Operations support; Heating, Ventilation, Air Conditioning and Refrigeration; Power Production Mechanic support; Fire Alarm Systems; Plumbing; Painting; Predictive and Condition-based Maintenance support; Industrial Equipment Sustainment, and Utility Engineering. ​SOI provides facility and maintenance services to military installations and large-scale facilities across the nation and around the world.
Facilities Maintenance

Facilities Maintenance

Engineering Services

Engineering Services

HQ: Killeen Office


   412 North Gray Street
     Killeen, TX 76541