- Construction (26)
- Defense & Private Military (77)
- Humanitarian Relief (6)
- Maritime Security (1)
- Offshore Oil & Gas (5)
- U.S. Embassies and Consulates (0)
M.C. Dean, Inc.
M.C. Dean, Inc. designs, builds, operates and maintains integrated power and technology systems for mission-critical facilities, secure environments and complex infrastructure. Its teams combine engineering, construction, manufacturing and long-term operations support for government and commercial customers worldwide.
M.C. Dean is widely known in the contractor community for:
- Electrical engineering and infrastructure construction
- Electronic security and telecommunications systems
- Automation, controls and systems integration
- Operations, maintenance and modular manufacturing
Average Salary: Varies by role, location, experience and contract.
Olgoonik Corporation
Olgoonik Corporation is an Alaska Native-owned family of government and commercial contracting companies. Its teams support federal and international projects through construction, professional and technical services, logistics, environmental engineering and electrical work. Olgoonik Global Security provides physical, technical and cyber security services.
Olgoonik is widely known in the contractor community for:
- Federal and international construction
- Security and technical services
- Logistics and operations support
- Environmental engineering and electrical services
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.
Aramco
Aramco is an integrated energy and chemicals company headquartered in Saudi Arabia. Its operations span oil and gas exploration, production, refining, chemicals and technology development. The listed phone reaches Aramco Americas Staffing Services.
Aramco is widely known in the contractor community for:
- Oil and gas exploration and production
- Refining, chemicals and downstream operations
- Engineering and large-scale energy projects
- Energy research, technology and innovation
Average Salary: Varies by role, location, experience and contract.
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.
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.
Olive Group
Olive Group Desert Training Centre — archival company highlight (2012).
Olive Group is an active Constellis company providing security, risk management and operational support for government, NGO and commercial clients. Olive Group UK also delivers accredited security and medical training for personnel working in demanding environments.
Olive Group is widely known in the contractor community for:
- Protective security and high-threat operations
- Risk management and operational support
- Close protection and security training
- First responder and trauma-care training
Average Salary: Varies by role, location, experience and contract.
Cubic Corporation
Cubic Corporation develops technology for defense and transportation customers around the world. Cubic Defense supports operational readiness, secure communications and training, while Cubic Transportation Systems delivers integrated fare collection and mobility solutions for transit agencies and travelers.
Cubic is widely known in the contractor community for:
- Defense training and mission readiness
- Secure communications and digital intelligence
- Transit fare collection and payment systems
- Transportation technology and mobility services
Average Salary: Varies by role, location, experience and contract.
General Dynamics Ordnance and Tactical Systems
General Dynamics Ordnance and Tactical Systems designs and manufactures munitions, armaments, energetics, missile subsystems and aerospace components for the U.S. military and allied customers. It is a General Dynamics business. The listed email is the general information contact for its Canadian operations.
GD OTS is widely known in the contractor community for:
- Munitions and armament systems
- Energetics and missile subsystems
- Composite aerospace structures
- Defense manufacturing and engineering
Average Salary: Varies by role, location, experience and contract.
General Atomics
General Atomics develops advanced defense and energy technologies through its family of affiliated companies. Its work spans remotely piloted aircraft, airborne sensors, electromagnetic systems and nuclear fusion research. The listed contact provides careers-site password and login support.
General Atomics is widely known in the contractor community for:
- Remotely piloted aircraft and mission support
- Electromagnetic and advanced defense systems
- Sensors, electronics and laser technologies
- Fusion energy research and engineering
Average Salary: Varies by role, location, experience and contract.
Amentum
Amentum provides advanced engineering, technology and mission services for government and commercial customers worldwide. Its teams support science, security and sustainability programs in complex environments. The listed contacts reach a Mission Solutions recruiter for MH-60R aviation roles in Saudi Arabia.
Amentum is widely known in the contractor community for:
- Defense, intelligence and mission support
- Engineering, digital systems and cybersecurity
- Aviation, logistics and base operations
- Nuclear, environmental and infrastructure services
Average Salary: Varies by role, location, experience and contract.
WSP (including former Parsons Brinckerhoff)
WSP (including former Parsons Brinckerhoff) provides engineering, environmental and advisory services for buildings, transport, energy and government infrastructure. Parsons Brinckerhoff joined WSP in 2014 and now operates under its brand. The listed email serves the UK early careers recruitment team.
WSP is widely known in the contractor community for:
- Transport and infrastructure engineering
- Building design and construction management
- Environmental and water consulting
- Energy and federal program support
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.
L3Harris Technologies
L3Harris Technologies develops aerospace and defense technology across air, land, sea, space and cyber. Its teams provide communications, sensing, electronic systems and propulsion products for government and commercial customers. The listed email handles questions about recruiter legitimacy.
L3Harris is widely known in the contractor community for:
- Space and airborne mission systems
- Secure communications and electronic warfare
- Integrated defense and sensing technology
- Rocket propulsion and aerospace engineering
Average Salary: Varies by role, location, experience and contract.
Caddell Construction
Caddell Construction is a U.S. general contractor delivering commercial, governmental and international construction projects. Its overseas work includes secure diplomatic facilities, military infrastructure and complex projects requiring coordinated engineering, construction and logistics.
Caddell Construction is widely known in the contractor community for:
- International and federal construction
- Design-build and construction management
- Military facilities and secure infrastructure
- Commercial and industrial projects
Average Salary: Varies by role, location, experience and contract.
International Business & Technical Consultants, Inc. (IBTCI)
Company event highlight: IBTCI annual corporate dinner, shared by Snap Happy Photo Booth.
International Business & Technical Consultants, Inc. (IBTCI) provides monitoring, evaluation and advisory services for government and international development programs.
IBTCI is widely known in the contractor community for:
- Program evaluation, research and learning
- Institutional support and capacity building
- Project management and technical assistance
Average Salary: Varies by role, location, experience and contract.
The Boeing Company
The Boeing Company designs, manufactures and supports commercial aircraft, defense systems and space technologies for customers worldwide. Its work spans engineering, manufacturing, aviation services and mission support. The listed phone provides technical assistance with job applications.
Boeing is widely known in the contractor community for:
- Commercial and military aircraft
- Defense and space systems
- Aerospace engineering and manufacturing
- Aircraft services and sustainment
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.
Bering-Alaka’ina Holdings, LLC
BSNC introduces its acquisition of the Alaka‘ina companies (June 2026).
Bering-Alaka'ina Holdings, LLC is a Bering Straits Native Corporation holding company with government services firms formerly in the Alaka'ina family. Its companies support federal missions with technical, medical, base operations and professional services.
Bering-Alaka'ina is widely known in the contractor community for:
- Medical and biomedical defense support
- Information technology and telecommunications
- Base and range operations
- Engineering, professional and advisory services
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.
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.
Maytag Aircraft
Maytag Aircraft provides aviation and base support services for U.S. government customers around the world.
Maytag Aircraft is widely known in the contractor community for:
- Aircraft refueling and fuel systems maintenance
- Air terminal operations and ground handling
- Base operations and weather services
Average Salary: Varies by role, location, experience and contract.
CB&I
CB&I provides storage and asset-management solutions for energy and industrial facilities worldwide. Its work includes tanks, terminals, engineering, construction, operations, maintenance and decommissioning.
CB&I is widely known in the contractor community for:
- Tanks, terminals and storage infrastructure
- Engineering, fabrication and construction
- Asset operations and maintenance
- Wells, lifecycle services and decommissioning
Average Salary: Varies by role, location, experience and contract.
For current vacancies and applications, visit CB&I Careers.
Acuity International (formerly Caliburn)
Archival company office and culture highlight from the Caliburn period, before the Acuity International rebranding.
Acuity International (formerly Caliburn) provides healthcare, security, emergency response and infrastructure services for government and commercial customers. Formerly Caliburn International, it supports complex operations worldwide. The listed email is recruiter Robert Leedy’s public contact for WPS III opportunities.
Acuity International is widely known in the contractor community for:
- Security and base operations
- Medical and occupational health services
- Emergency and humanitarian response
- Construction management and environmental remediation
Average Salary: Varies by role, location, experience and contract.
Kratos Defense & Security Solutions
Kratos Defense & Security Solutions develops defense and national security technologies, including unmanned aircraft, space systems and advanced propulsion.
Kratos is widely known in the contractor community for:
- Unmanned aircraft and mission systems
- Satellite communications and space ground systems
- Defense electronics, propulsion and training
Average Salary: Varies by role, location, experience and contract.
Careers and current opportunities | Company contact form. Select Careers on the company contact form for employment inquiries.




























