Z4 Enterprises

Systems Engineering & Professional Services

WhO we ARE

Z4E is an Economically Disadvantaged Minority Woman Owned, Service Disabled Veteran, Small Business Administration Certified Small Disadvantaged Business.

Z4 Enterprises (Z4E) was founded by Rhonda Garwood assisted by her husband CW3(R) HW (Jay) Garwood on January 7, 2007. Z4E is a Small Business Administration Certified 8(a), Small Disadvantaged Business, Woman Owned Small Business, Economically Disadvantaged Minority Woman Owned 8(m), Veteran Owned Small Business, Service Disabled Veteran Owned Small Business.


Z4E believes in taking care of our employees to better serve our customers. We hire highly trained and skilled Veterans, Disabled Veterans, Engineers, and Professionals to assist the U.S. Military, Federal Agencies, and other Prime Contractors to support our Soldiers. These services are focused on the command, control, computers and communications employed in the systems being procured.


Headquartered in Sierra Vista Arizona outside Fort Huachuca, we are located in a community where there's room to grow and a need for our services. Ft Huachuca is home to the U. S. Army Intelligence Center of Excellence, U. S. Army Network Enterprise Technology Command/9th Signal Command, Joint Interoperability Test Command (JITC), and Electronic Proving Ground (EPG).


Pertinent z4e Information

  • DUNS: 791188787
  • CAGE Code: 4NR77
  • NAICS:
      541330 Engineering Services
  1. 561612 Security Guard & Patrol Services
  2. 611430 Professional & Management Development Training
  3. 541990 Professional Scientific & Technical Services
  4. 541611 Program Management
  5. 541430 Graphic Design
  6. 541511 Software Testing and Documentation
  7. 541519 Computer Related Services
  8. 561110 Office Administration

business categories & certifications

Small Business

  1. Small Business Administration Certified Small Disadvantaged Business - SBA 8(a)
  2. Woman Owned
  3. Economically Disadvantaged Woman Owned
  4. Veteran Owned
  5. Certified Service Disabled Veteran Owned


Test and Evaluation (T&E) Security Guard and Patrol Services
Systems Engineering and Technical Assistance (SETA)
Military Intelligence Training Development
Publication Editing & Illustration
Program Management (PM)
Modeling and Simulation (M&S)
Publication Editing & Illustration
Configuration Management
Information Technology

Test and Evaluation (T&E)

  1. Integrated Live, Virtual, and Constrctive Tests
  2. Planning
  3. Manangement
  4. Conduct
  5. Data Collection
  6. Analysis

Systems Engineering Technical Assistance (SETA)

  1. Requirements Development, Analysis, and Traceability
  2. Integrated Process Team Collaboration
  3. Performance Monitoring

Modeling and Simulation (M&S)

    1. Requirements Definition
    2. Event Design
    3. Policy and Procedure Development
    4. Concept of Operations Development
    5. Market Surveys
    6. Gap Analysis
    7. Federation Development
  1. Verification and Validation

Information Technology (IT)

  1. Service (Help) Desk Operation
  2. Configuration Management
  3. Systems Integration
  4. Network Management
  5. Technical Consulting

Program Management (PM)

  1. Planning
  2. Human Resources
  3. Cost Pricing and Budgeting
  4. Work Breakdown Structure
  5. Schedule/Security
  6. Quality Assurance

Military Intelligence Training Development

  1. Course Design & Development
  2. Mission Training Plan Development
  3. Reserve Component Course Development Research
  4. Lessons Learned Analysis
  5. Organizational Integration


Z4E’s expertise comes from our employees that have over 50+ years of experience from the U. S. Army and from assisting the growth of some of the most successful companies in this business.


Z4E’s Contracts:

  1. USA Electronic Proving Ground, Scientific and Engineering Support Services (Subcontractor to Jacobs Corp)
  2. US Bureau of Reclamation, Armed Security Guards Davis Dam
  3. USA Intelligence Center of Excellence, Infantry, Heavy and Stryker (I/H/S) BCT and Ranger Regiment MI Company Information Collection Unit Tasks
  4. USA Intelligence Center of Excellence, Capabilities Development Integration Doctrine Directorate Doctrine MIPB and Production Services
  5. USA NETCOM, CNOSS, (Subcontractor to NCI)
  6. USDISA Joint Interoperability Test Command, Mission Support (Subcontractor to Alion)
  7. BLM NTC BPA for miscellaneous instructional support services
  8. USA Intelligence Center of Excellence Training Developers (Subcontractor to Intelligence, Communications and Engineering Inc.)
  9. Trideum Corporation SeaPort-e Contract Number: N00178-10-D-6369



    1. USA Electronic Proving Ground, Scientific and Engineering Support Services
    2. US Bureau of Reclamation, Armed Security Guards Davis Dam
    3. Intelligence Center of Excellence Capabilities Development Integration Doctrine Directorate Doctrine MIPB and Production Services
    4. Military Intel School Division/Corps G2/ACE Training Development
    5. USA Training and Doctrine Command Analysis, Design, Development, Implementation and Evaluation (ADDIE) process


      Teaming Partners

      1. Jacobs Corporation
      2. Desert Eagle Security
      3. Management and Engineering Technologies International, Inc.
      4. Trideum Corporation
      5. NCI
      6. Entereza
      1. URS
      2. Keybridge Inc.
      3. Intelligence Communications and Engineering Corporation
      4. Alion Science and Technology Corporation


      Z4E is committed to distinctive quality and unparalleled customer service in all aspects of business. The company's success is due to our team members operation as a unified force.
      Our teams are characterized by creative, productive employees who are empowered to make suggestions and think “outside the box”. Every employee is essential to fulfilling the Z4E mission. Z4E team members "own" the results of their productivity and have the opportunity to discover the rewards of a Z4E career through individual and company successes.

      Equal Opportunity
      Z4E is committed to maintaining and promoting non-discrimination in all aspects of employment. Our policy is to provide equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, status as Vietnam-era or special disabled veteran or any other category of employee protected by federal, state or local laws. This policy applies to all terms and conditions of employment.
      Z4E will make reasonable accommodations for qualified individuals with known disabilities unless doing so would result in an undue hardship.
      If you are an individual with a disability and need assistance with our online application process, please tell us how we can accommodate your situation by contacting Z4E at 520-459-5411 or click here.

      Drug Free Workplace
      Z4E is committed to providing a safe and productive workplace for its employees. In keeping with this commitment, Z4E has established and follows rules of conduct regarding alcohol and drugs in compliance with the Drug-Free Workplace Act of 1988.

      The Way We Do Business
      Z4E places great importance on ethics, integrity, and credibility. We build trust with employees, customers, and vendors by adhering to our commitments and being honorable in our conduct. Z4E business is conducted with the highest ethical standards and in accordance with the law. Employees are expected to perform their jobs in accordance with the law and with respect for one another. At Z4E, we are each responsible for protecting the interests of the company, the customer, and one another.

      Z4E Benefits
      We know it’s important that your job be more than just a paycheck. That’s why Z4E provides opportunities to advance professionally as you discover innovative solutions to help conquer unique challenges.
      But we don’t stop there! Z4E offers self-managed, flexible schedules, plus an excellent salary and benefit package. All regular full-time employees are eligible for benefits including medical, dental, life, disability, 401k and more.

      Questions concerning current and prospective openings may be addressed to:
      Human Resources
      Z4 Enterprises
      3643 S. Highway 92 Ste. B
      Sierra Vista, AZ 85650

      Current Openings