- Construction (26)
- Defense & Private Military (77)
- Humanitarian Relief (6)
- Maritime Security (1)
- Offshore Oil & Gas (5)
- U.S. Embassies and Consulates (0)
Mace Consult
Mace Consult provides programme, project and cost management for infrastructure and the built environment. Formerly part of Mace Group, it became an independent business in March 2026. The email below is for emerging talent recruitment.
Mace Consult is widely known in the contractor community for:
- Programme and project management
- Cost and commercial consultancy
- Major infrastructure and real estate programmes
- Defence and public-sector project delivery
Average Salary: Varies by role, location, experience and contract.
Versar Global Solutions
Versar Global Solutions provides mission lifecycle services for government and commercial customers across natural, built and digital environments. Its teams support military installations, environmental programs and complex infrastructure through planning, engineering, program management and worldwide operations.
Versar Global Solutions is widely known in the contractor community for:
- Base operations, maintenance and logistics
- Environmental management and remediation
- Engineering and construction program management
- Geospatial intelligence and digital mission support
Average Salary: Varies by role, location, experience and contract.
IDS International
IDS International provides training, security and expeditionary services for government and international customers. Its field teams support complex missions in conflict zones and austere environments, combining operational expertise with realistic cyber and information warfare training.
IDS is widely known in the contractor community for:
- Military training and exercise support
- Infrastructure protection and cleared security
- Expeditionary logistics and facilities support
- Cyber and information warfare training
Average Salary: Varies by role, location, experience and contract.
Constellis
Constellis provides security, risk management and mission support services for government and commercial customers worldwide. Its teams protect people and infrastructure, deliver specialized training and investigations, and support emergency response operations in complex environments.
Constellis is widely known in the contractor community for:
- Protective security and risk management
- Security training and K9 services
- Investigations and background screening
- Emergency response and mission support
Average Salary: Varies by role, location, experience and contract.
PKL Services, Inc.
PKL Services, Inc. provides aviation maintenance, training and logistics support for military and government customers in domestic and overseas locations.
PKL Services is widely known in the contractor community for:
- Aircraft maintenance and sustainment
- Technical instruction and training
- Aviation logistics and program management
Average Salary: Varies by role, location, experience and contract.
Careers and current opportunities | Company contact form. The company contact page lists its Human Resources leadership.
AAR CORP.
AAR CORP. provides aviation aftermarket services for commercial and government customers worldwide. Its teams support aircraft readiness through parts supply, maintenance and repair, aviation software and integrated government programs.
AAR is widely known in the contractor community for:
- Aircraft and engine parts supply
- Airframe and component maintenance, repair and overhaul
- Aviation software and digital services
- Government aviation and mobility support
Average Salary: Varies by role, location, experience and contract.
Scientific Research Corporation (SRC)
Scientific Research Corporation (SRC) is an advanced engineering company developing electronics and information systems for defense, federal, international, cyber and intelligence customers. Its teams provide technology development, systems integration, testing and operational support across air, land, sea and cyberspace missions.
SRC is widely known in the contractor community for:
- Defense engineering and mission systems
- Communications and electronics integration
- Cybersecurity and intelligence support
- Testing, installation and global technical services
Average Salary: Varies by role, location, experience and contract.
BL Harbert International
BL Harbert International is a U.S. construction company delivering design-build, construction management and general contracting projects worldwide. Its international teams build diplomatic facilities and other complex government infrastructure, supported by in-house engineering and global logistics.
BL Harbert is widely known in the contractor community for:
- International and federal construction
- Design-build and construction management
- Secure diplomatic and military facilities
- Engineering, procurement and logistics
Average Salary: Varies by role, location, experience and contract.
Parsons Corporation
Parsons Corporation is a global technology and engineering company serving national security and critical infrastructure markets. Its teams deliver defense systems, cyber and intelligence capabilities, transportation infrastructure and integrated program management for government and commercial customers worldwide.
Parsons is widely known in the contractor community for:
- Defense and intelligence technology
- Cybersecurity and mission systems
- Transportation and critical infrastructure
- Engineering and program management
Average Salary: Varies by role, location, experience and contract.
SOC
SOC is a Day & Zimmermann company providing security, engineering, operations and staffing services for U.S. government missions. Its teams protect personnel and facilities, support remote and high-risk environments, and deliver cleared talent and operational services worldwide.
SOC is widely known in the contractor community for:
- Protective security and mission support
- Facilities operations, maintenance and logistics
- Architecture and engineering for secure facilities
- Cleared staffing and technical workforce support
Average Salary: Varies by role, location, experience and contract.
Mission Essential
Mission Essential is the operating company of Mission Group, providing intelligence, language, advisory and operational support for U.S. government and allied customers. Its globally deployed teams support national security missions and help customers operate in complex and demanding environments.
Mission Essential is widely known in the contractor community for:
- Intelligence analysis and mission support
- Linguist and cultural advisory services
- Advisory assistance and program management
- Technical and operational support worldwide
Average Salary: Varies by role, location, experience and contract.
King & George, LLC
King & George, LLC provides facility operations, construction management and support services for government customers. Its teams maintain buildings, vehicles and equipment and support military installations and other public facilities.
King & George is widely known in the contractor community for:
- Base operations and facilities maintenance
- General contracting and construction management
- Vehicle and equipment maintenance
- Logistics, call centers and environmental services
Average Salary: Varies by role, location, experience and contract.
Northrop Grumman
Northrop Grumman develops aerospace, defense and security technology for government customers worldwide. Its work spans advanced aircraft, space systems, mission electronics and integrated defense programs.
Northrop Grumman is widely known in the contractor community for:
- Advanced aircraft and autonomous systems
- Spacecraft, satellites and launch technology
- Radar, sensors and mission systems
- Missile defense and secure communications
Average Salary: Varies by role, location, experience and contract.
GovCIO (formerly Salient CRGT)
GovCIO (formerly Salient CRGT) supports federal agencies with IT modernization and mission services. Salient CRGT became part of GovCIO in 2021.
GovCIO is widely known in the contractor community for:
- Cloud, software and enterprise IT
- Cybersecurity and data analytics
- Federal mission support and program management
Average Salary: Varies by role, location, experience and contract.
Careers and current opportunities. Recruiting email supports applicants and career profile inquiries.
EXP Federal
EXP Federal provides architecture, engineering, construction management and mission support services for U.S. government customers worldwide. Part of EXP, it supports secure facilities and complex projects across domestic, overseas and remote operating environments.
EXP Federal is widely known in the contractor community for:
- Architectural and engineering design
- Construction management and commissioning
- Operations, maintenance and mission support
- Federal and secure facilities projects
Average Salary: Varies by role, location, experience and contract.
Kellogg, Brown, and Root (KBR, Inc.)
Kellogg, Brown, and Root (KBR, Inc.) is a U.S. engineering, technology, and defense contractor that provides mission support, logistics, base operations, engineering, and technical services to governments and commercial clients worldwide. Their work spans defense support, aerospace and NASA programs, energy infrastructure, intelligence systems, and international engineering projects.
KBR is widely known in the contractor community for:
- LOGCAP / base operations support
- Overseas logistics and life-support services
- Engineering and construction
- Defense technology and mission support
- NASA and space program support
Average Salary: Varies by role, location, experience and contract.
The recruiting email below provides assistance with online applications.
ITA International
ITA International provides technology-enabled professional services for defense and homeland security missions. It combines operational expertise, data analytics and software engineering to support readiness, overseas operations, training, logistics and resource planning.
ITA is widely known in the contractor community for:
- Overseas operations and mission support
- Data analytics and decision support
- Software engineering and digital tools
- Training, logistics and operational readiness
Average Salary: Varies by role, location, experience and contract.
Anduril Industries
Anduril Industries develops autonomous defense systems and software for U.S. and allied missions. Its Lattice platform connects sensors and autonomous air, land and maritime systems, supporting surveillance, command and control, force protection and advanced defense manufacturing.
Anduril is widely known in the contractor community for:
- Autonomous air, land and maritime systems
- Lattice command and control software
- Counter-drone and force protection technology
- Defense engineering and manufacturing
Average Salary: Varies by role, location, experience and contract.
Leidos
Leidos provides science, engineering and technology services for government and commercial customers. Its teams support defense and intelligence missions, digital modernization, healthcare systems and civil infrastructure, combining technical expertise with operations and mission support.
Leidos is widely known in the contractor community for:
- Defense and intelligence mission support
- Cybersecurity and digital modernization
- Engineering, integration and advanced systems
- Healthcare and civil infrastructure technology
Average Salary: Varies by role, location, experience and contract.
Berry Aviation
Berry Aviation company highlight for its 2022 growth award, before joining Bristow Group.
Berry Aviation provides specialized aviation services for government and commercial customers, including overseas mission support, cargo transport, aircraft maintenance and airport operations. It operates as part of Bristow Group. Employment applications go through the company’s online careers portal.
Berry Aviation is widely known in the contractor community for:
- Government and defense aviation missions
- Passenger, cargo and medical transport
- Aircraft and component maintenance
- Fixed-base and supply chain services
Average Salary: Varies by role, location, experience and contract.
Maginot Support Services (MS2USA)
Maginot Support Services (MS2USA) is a service-disabled veteran-owned business providing base operations, maintenance and logistics support to U.S. government and defense customers in the United States and overseas.
MS2USA is widely known in the contractor community for:
- Base operations and facility support
- Munitions operations and weapons maintenance
- Supply, inventory and logistics support
- Vehicle maintenance, IT and program management
Average Salary: Varies by role, location, experience and contract.
DOWNRANGE Operations and Training
DOWNRANGE Operations and Training provides military training, expeditionary logistics and construction support for government and commercial programs. Its teams deliver mission support and specialist personnel in demanding overseas environments. The listed email is a recruiting contact for THAAD training roles.
DOWNRANGE is widely known in the contractor community for:
- Military instruction and readiness training
- THAAD and air defense training support
- Expeditionary construction and infrastructure
- Logistics procurement and operational support
Average Salary: Varies by role, location, experience and contract.
V2X (formerly Vectrus)
V2X (formerly Vectrus) delivers mission support for government and commercial customers through operations, logistics, aerospace, training and technology. Formed by the 2022 merger of Vectrus and Vertex, it supports missions worldwide. The listed email is recruiter Ariona Enyeart’s public contact for Indianapolis engineering opportunities.
V2X is widely known in the contractor community for:
- Operations and logistics support
- Aerospace maintenance and sustainment
- Mission technology and engineering
- Training and readiness
Average Salary: Varies by role, location, experience and contract.
Akima
Akima is an Alaska Native-owned government services group with companies supporting federal customers worldwide. Its teams deliver technology, facility operations, logistics and mission services while contributing to the interests of its Iñupiat shareholders.
Akima is widely known in the contractor community for:
- Information technology and mission support
- Facilities, infrastructure and construction services
- Logistics, aviation and sustainment
- Protective services and training
Average Salary: Varies by role, location, experience and contract.
BAE Systems
BAE Systems develops defense, aerospace and security technology for customers worldwide. Its teams build and support military platforms, electronics and digital systems across air, land, sea and space. The listed phone serves UK experienced-professional recruitment.
BAE Systems is widely known in the contractor community for:
- Military aircraft and aerospace engineering
- Naval ships, submarines and combat vehicles
- Electronic systems and intelligence technology
- Cybersecurity, digital services and sustainment
Average Salary: Varies by role, location, experience and contract.