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Top Security Companies in San Diego, CA (116)

BAE Systems, Inc.
Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
Where purpose connects.

Improving the future and protecting lives is an ambitious mission, but it’s what we do. As a leading aerospace, defense, and security company, we work together to deliver a full range of products and services for air, land, space, and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. How we work is rooted...

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BAE Systems, Inc.

BAE Systems, Inc.'s Top Stability & Growth Strengths

Strong Revenue Growth: Sales increased 10% in 2025 and 9% in H1 2026, with leadership upgrading 2026 guidance to 8–10% sales growth. Growth was reported across all major sectors.

Profitability: Underlying EBIT rose 12% in 2025 and 11% in H1 2026, alongside an improved return on sales. This points to stronger margins in addition to top-line expansion.

Resilient & Sustainable Growth: A record order backlog of roughly £83.6–84.0 billion and multi‑year contracts provide substantial future revenue visibility. The 2026 outlook also signals continued expansion.

STR
Machine Learning • Security • Software • Analytics • Defense
5 Offices
800 Employees
56 Benefits Hiring Now
STR Harnesses the power of technology to solve the nation's hardest problems.

STR makes the world a safer place by developing technology and applying it to solve emerging national security challenges.

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STR

STR's Top Stability & Growth Strengths

Strong Revenue Growth: Subscription revenue is described as growing at a double‑digit year‑over‑year pace as of late 2023, signaling solid momentum in the core recurring model.

Customer Loyalty & Retention: Renewal rates are reported as extremely high, indicating sticky relationships and a durable subscription base.

Market Expansion: The underlying hotel‑data network has expanded materially to a larger global sample across nearly 200 countries, pointing to broader reach and scale.

Securitas Security Services USA, Inc.
Professional Services • Security • Consulting
211 Offices
95,000 Employees
Hiring Now

Securitas Security Services USA, Inc. is a leading provider of customized security and guarding solutions. The company offers a comprehensive range of protective services, including on-site guarding, mobile patrols, remote monitoring, and electronic security. They also provide specialized services in fire and safety, corporate risk management through Pinkerton, and professional consulting and investigations to help safeguard people, property, and information.

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Securitas Security Services USA, Inc.
G2 Ops, Inc.
Security • Analytics • Cybersecurity
4 Offices
106 Employees
17 Benefits Hiring Now

G2 Ops is a preferred provider of analytical and innovative solutions in the following areas: - Model-Based Systems Engineering - Cybersecurity Requirements, Analysis, and Threat Assessment - Cybersecurity Consulting Strategic vision: G2 Ops helps companies stay ahead of cyber crime and IT threats by identifying and measuring weaknesses before incidents occur, then providing remediation priorities based on individual business and financial risk thresholds.

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G2 Ops, Inc.
Bay Alarm
Security
18 Offices
1,200 Employees
Hiring Now

Bay Alarm is a third-generation, family-owned security company that protects businesses and homes across California, Arizona, and Washington. Its offerings include burglar and fire alarms, 24/7 monitoring, video surveillance, access control, and on-site security agents for residential and commercial customers alike. The company combines security technology with local personnel to design, install, monitor, inspect, and maintain systems that protect people,...

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Bay Alarm
Spectrum San Diego
92 Offices
34,000 Employees
47 Benefits Hiring Now

Spectrum San Diego is a high tech security innovator, specializing in ultra-low-dose X-ray screening systems.

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Spectrum San Diego
Pliancy
Information Technology • Security
7 Offices
113 Employees
15 Benefits Hiring Now

Pliancy specializes in providing end-to-end IT solutions and ongoing support for today's highest-executing Capital Management and Life Sciences organizations. We are located in New York, San Francisco, Palo Alto, South San Francisco, San Diego, Austin, TX, and Boston, MA

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Pliancy
Forcepoint
Security • Software • Cybersecurity
16 Offices
1,868 Employees
37 Benefits Hiring Now
We protect and secure our customer’s rapidly evolving digital world by providing a Data-First SASE solution.

We protect and secure our customer’s rapidly evolving digital world by providing a Data-First SASE solution. Forcepoint is the people-centric cybersecurity company that understands behavior and adapts security response and enforcement to risk. The Forcepoint ONE Platform simplifies security for companies around the world. We live by our values of being customer-centric, simplicity-focused, innovative, trustworthy and ethical, and people-centric.

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Forcepoint

Forcepoint's Top Stability & Growth Strengths

Strong Market Position & Advantage: Analyst evaluations recognize Forcepoint as a Leader in DLP and as a Leader in Forrester’s 2024 SSE Wave. This cross-category recognition indicates competitive strength, especially in data-first security.

Product Line Growth: Recent moves such as rebranding to Data Security Cloud, launching new AI-driven capabilities, and acquiring Getvisibility expanded coverage into DSPM/DDR. These additions signal ongoing investment to broaden the data security platform.

Strategic Partnerships: New alliances (e.g., Plurilock and collaboration with F5 for AI security) and emphasis on channel motion suggest expanding go-to-market reach. Such partnerships can open routes to market expansion and reinforce platform adoption.

Parsons Corporation
Information Technology • Security • Cybersecurity
33 Offices
14,420 Employees
31 Benefits Hiring Now

Parsons is a digitally enabled solutions provider with a focus on making the world safer, smarter, healthier, more sustainable, and more connected. Founded in 1944, Parsons primarily serves the defense, security, and infrastructure markets. Uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services, the corporation delivers state-of-the-art solutions to federal, regional, and local government agencies as...

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Parsons Corporation

Parsons Corporation's Top Stability & Growth Strengths

Strong Market Position & Advantage: Parsons is positioned as a leader in key niches, supported by independent rankings such as ENR’s No. 1 global program management placement and strong standings in design/engineering and defense-revenue lists. Contract momentum with multiple large single-award wins and a sizable pipeline further reinforces competitive strength in its priority lanes.

Profitability: Profitability appears to be improving even amid revenue variability, with record adjusted EBITDA margin and record net income cited for 2025. This indicates stronger mix, pricing, and execution discipline that supports resilience through topline fluctuations.

Resilient & Sustainable Growth: Visibility into forward work is supported by a large backlog and a record funded-backlog level, which improves near-term conversion potential. Management guidance pointing to a return to revenue growth and continued EBITDA expansion adds to the view that the core portfolio is stabilizing after a one-program step-down.

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Northrop Grumman
Aerospace • Logistics • Security • Software • Cybersecurity
33 Offices
85,636 Employees
42 Benefits Hiring Now

We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation...

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Northrop Grumman

Northrop Grumman's Top Stability & Growth Strengths

Resilient & Sustainable Growth: Sales have been rising with management raising 2026 guidance, and a book-to-bill above 1 supports continued expansion from a record backlog. Quarterly gains across multiple periods point to steady, durable top-line momentum rather than one-off spikes.

Strong Market Position & Advantage: Prime roles on the B-21 Raider and LGM-35A Sentinel, along with top-tier industry rankings, demonstrate durable competitive standing in high-priority defense domains. A large, multi-year backlog underpins this position with clear demand visibility.

Diversified Revenue Streams: Multiple operating segments (Aeronautics, Mission Systems, Defense Systems, Space Systems) are contributing to sales and new awards, with several major programs ramping. Backlog and awards are distributed across sectors and programs, reducing reliance on any single line of business.

Loomis Armored US, LLC
Logistics • Security • Transportation • Financial Services
48 Offices
24,000 Employees

Loomis is a cash-management and secure valuables services company operating through Loomis AB and its U.S. division, Loomis Armored US, LLC. It provides armored cash-in-transit transportation, cash processing and vaulting, ATM services, treasury-management support, and technology-enabled cash visibility. Its customers include financial institutions and commercial and retail businesses, supported by a nationwide network of branches, vehicles, and operating locations across...

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Loomis Armored US, LLC
CPS Security Solutions
Professional Services • Security • Consulting
10 Offices
2,500 Employees
Hiring Now

CPS Security Solutions provides dependable, progressive, and efficient security and remote management solutions supported by a state-of-the-art Command Center and high-tech staff. The company designs and implements world-class security solutions for a market ranging from individuals to national clients, leveraging over 20 years of security experience from Construction Protective Services.

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CPS Security Solutions
Kratos Defense and Security Solutions
16 Offices
1,800 Employees
10 Benefits Hiring Now

Kratos develops transformative, affordable technology, platforms, and systems for U.S. National Security related customers, allies, and commercial enterprises.

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Kratos Defense and Security Solutions
Drata
Security • Software • Cybersecurity • Automation
Drata is on a mission to help build trust across the internet.

Trust, Automated. Drata automates your compliance journey from start to audit-read and beyond and provides support from the security and compliance experts who built it. The company is backed by ICONIQ Growth, Alkeon Capital, Salesforce Ventures, GGV Capital, Cowboy Ventures, Leaders Fund, Okta Ventures, SVCI, SV Angel, and many key industry leaders.

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Drata

Drata's Top Stability & Growth Strengths

Strong Revenue Growth: ARR surpassing $100M around Jan–Feb 2025 and indications that FY2025 outpaced that rate point to sustained acceleration at scale. Subsequent updates describe strong year-over-year revenue growth continuing into 2026.

Market Expansion: Customer counts reaching 8,000+ across 80+ countries and 190% year-over-year enterprise growth highlight broadening adoption and upmarket traction. Moves such as opening a San Francisco HQ and expanding internationally reinforce geographic and segment reach.

Strong Market Position & Advantage: Consistent “Leader” placements in G2 category reports through 2025–2026 and coverage in Gartner Market Guides indicate durable category standing. Signals such as AWS Security Competency and expanding enterprise presence further reinforce competitive advantage.

General Dynamics Information Technology
Aerospace • Information Technology • Professional Services • Security • Software
33 Offices
21,625 Employees
37 Benefits Hiring Now

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside...

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General Dynamics Information Technology

General Dynamics Information Technology's Top Stability & Growth Strengths

Resilient & Sustainable Growth: Forward visibility looks durable due to a $100+ billion companywide backlog and repeated references to multi‑year contract wins that extend revenue coverage into 2026. The outlook frames demand as supported by defense and federal IT modernization priorities, suggesting the business can absorb near-term volatility.

Strong Market Position & Advantage: GDIT is positioned as a top-tier federal IT prime, reinforced by recurring placement in major federal contractor rankings and a steady cadence of marquee awards across DoD, intel, and civilian agencies. Its scale inside General Dynamics and ability to deliver mission-critical programs (e.g., enterprise IT modernization and large federal systems) signal competitive advantage in accreditation-heavy government work.

Diversified Revenue Streams: Revenue support is described as coming from multiple General Dynamics segments (Aerospace, Marine, Combat Systems, Technologies) alongside GDIT’s mix of defense, intelligence, health, and civilian programs. This multi-segment and multi-mission exposure reduces dependence on any single program area and supports stability through procurement cycles.

Heritage Security Services
2 Offices
39,000 Employees
Hiring Now

Heritage Security Services provides standing guard, security patrol and mobile security guard services for customers in Southern California.

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Heritage Security Services
PINKERTON
Security
56 Offices
1,604 Employees
9 Benefits Hiring Now

Pinkerton traces its roots to 1850 when Allan Pinkerton founded Pinkerton's National Detective Agency. Today, Pinkerton offers organizations a range of comprehensive risk management services from security consulting and investigations to executive protection, employment screening and protective intelligence. With employees and offices worldwide, Pinkerton maintains an unmatched reputation for protecting clients and their assets around the globe.

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PINKERTON
MILVETS Systems Technology, Inc.
Information Technology • Security • Software
4 Offices
200 Employees
16 Benefits Hiring Now

Since its founding in 1986, MILVETS Systems Technology, Inc. (MILVETS) has been a reliable provider of quality services in the information and technology fields. As a Service-Disabled Veteran-Owned Small Business (SDVOSB), certified by the Small Business Administration (SBA) as a Small Disadvantaged Business (SDB), the company was founded to offer efficient, cost-effective information technology services to commercial and government clients. ►Major...

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MILVETS Systems Technology, Inc.
HYPR
Internet of Things • Security
3 Offices
119 Employees
1 Benefits Hiring Now

HYPR is the leader in Passwordless Multi-factor Authentication (MFA). We protect workforce and customer identities with the highest level of assurance while enhancing the end users’ experience. Our approach shifts the economics of attack and risk in the enterprises' favor by replacing password-based MFA with Passwordless MFA. With HYPR, customers can finally enable cross-platform desktop MFA, stop phishing, and reduce fraud...

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HYPR
SSD Alarm
Professional Services • Security
9 Offices
156 Employees
Hiring Now

Founded in 1968, SSD Alarm is one of the largest family-owned security and fire alarm companies in the nation. The company specializes in high-quality security and fire life safety systems for commercial, retail, corporate, government, and residential clients. Its mission is to prevent loss and protect people by providing advanced system solutions and superior customer service.

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SSD Alarm

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