Z4 Enterprises LLC

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) LLC 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 541430 Graphic Design Services 541511 Software Testing and Documentation
  • 541512 Computer Systems Integrator Services
  • 541611 Program Management 541990 Professional Scientific & Technical Services
  • 611430 Professional & Management Development Training
  • 561612 Security Guard & Patrol Services

federal business categories & certifications

Small Business Administration Certified Small Disadvantaged Business -SBA

Economically Disadvantaged Woman Owned

Service Disabled Veteran Owned


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

Systems Engineering Techinical Assistance(SETA)

Requirements development, analysis, and traceability
Integrated Process Team collaboration
Performance monitoring

Test and Evaluation (T&E)

Integrated live, virtual, and constructive tests
Data Collection

Modeling and Simulation (M&S)

Requirements Definition
Event Design
Policy and Procedure Development
Concept of Operations Development
Market Surveys
Gap Analysis
Federation Development
Verification and Validation

Information Technology (IT)

Service (Help) Desk Operation
Configuration Management
Systems Integration
Network Management
Technical Consulting

Program Management (PM)

Human Resources
Cost pricing and budgeting
Work Breakdown Structure
Quality Assurance

Military Intelligence Training Development

Course Design & Development
Mission Training Plan Development
Reserve Component Course Development Research
Lessons Learned Analysis
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:
Infantry, Heavy and Stryker (I/H/S) BCT and Ranger Regiment MI Company Information Collection Unit Tasks
Capabilities Development Integration Doctrine Directorate Doctrine MIPB and Production Services
Trideum Corporation SeaPort-e Contract Number: N00178-10-D-6369
PCI Corporation SeaPort-e
BLM NTC BPA for miscellaneous instructional support services
Intelligence, Communications and Engineering Inc. - Providing Training Developers for the Military Intelligence Center of Execellence


Intelligence Center of Excellence Capabilities Development Integration Doctrine Directorate Doctrine MIPB and Production Services
Military Intel School Division/Corps G2/ACE Training Development
USA Training and Doctrine Command Analysis, Design, Development, Implementation and Evaluation (ADDIE) process
NETCOM G-6 Configuration Manager
ATEC Future Combat System LVC Requirements Study
OTC Future Combat System Phase 1 Test Planning and Execution
NETCOM G-6 Help Desk
OTC Simulation & Instrumentation ICD
ISEC Quality Assurance Contract Program Manager
Corporate Facility & Personnel Security Manager
US Army Signal Corps

Teaming Partners

Trideum Corporation
Intelligence Communications and Engineering Corporation
Alion Science and Technology Corporation
Management and Engineering Technologies International, Inc. NCI
Desert Eagle Security


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 LLC 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
2700 E Fry Blvd. B-3
Sierra Vista, AZ 85635

Current Openings



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