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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.

AEVEX Aerospace
Aerospace • Security
Solana Beach
296 Employees
27 Benefits Hiring Now

AEVEX Aerospace, headquartered in Solana Beach, California, supports the U.S. national security mission and partner nation needs around the world by providing full-spectrum aviation, remote sensing, and analysis solutions. The company’s capabilities include custom design and engineering; rapid prototyping; sensor integration and sustainment; aircraft modification and certification; flight test instrumentation and support; mission operations service; advanced intelligence data processing, exploitation,...

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AEVEX Aerospace
Symons Fire Protection, Inc.
Professional Services • Security • Industrial
San Diego
Hiring Now

Symons Fire Protection, Inc. is a leading fire-life safety contractor serving Southern California. The company specializes in the design, installation, repair, and maintenance of fire sprinkler and fire alarm systems for residential and commercial properties. Operating from San Diego and Anaheim, they provide comprehensive fire suppression services, including inspections and engineering, to ensure properties meet all safety and regulatory standards.

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Symons Fire Protection, Inc.
PROFICIO
Cloud • Security • Cybersecurity
2 Offices
190 Employees
29 Benefits Hiring Now

Proficio is a world-class Managed Security Service Provider (MSSP) providing managed detection and response solutions, 24×7 security monitoring and advanced data breach prevention services to organizations globally. Our rapid growth is being fueled by the rise in cloud-based services, the acceptance of the Software-as-a-Service (SaaS) model, and the increasing number of cyber security attacks on businesses, hospitals and government. We...

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PROFICIO
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
Allegion
Security
14 Offices
10,001 Employees
24 Benefits Hiring Now

Allegion (NYSE: ALLE) is a global pioneer in seamless access, with leading brands like CISA®, Interflex®, LCN®, Schlage®, SimonsVoss® and Von Duprin®. Focusing on security around the door and adjacent areas, Allegion secures people and assets with a range of solutions for homes, businesses, schools and institutions. Allegion had $2.7 billion in revenue in 2020, and its security products are...

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Allegion

Allegion's Top Stability & Growth Strengths

Strong Market Position & Advantage: Allegion is positioned as a leader in security products and access solutions, anchored by well-known brands and a strong competitive presence—particularly in its Americas business where pricing power and profitability are highlighted. Its scale, broad product coverage “around the door,” and continued relevance versus major competitors support resilience in core segments.

Profitability: Profitability appears strong, with expanding operating margins and rising adjusted EPS cited across 2024–2025 results. Consistent dividend increases also signal confidence in sustained earnings power and disciplined capital returns.

Healthy Cash Flow: Cash generation is described as robust, with available cash flow rising materially and funding dividends, buybacks, and acquisitions. Guidance also indicates continued strong cash conversion relative to earnings, supporting investment capacity and stability.

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.

VSC Fire & Security, Inc.
30 Offices
799 Employees
24 Benefits Hiring Now
Fire safety: Inspection and installation of fire sprinkler, fire alarm, security, life safety and low voltage systems.

For more than 65 years, VSC Fire & Security, has partnered with thousands of customers as a trusted contractor for the inspection and installation of fire sprinkler, fire alarm, security, life safety and low voltage systems. VSC Fire & Security, has over 1,800 talented employees, and more than 950 vehicles throughout our footprint which spans the East Coast, and West...

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VSC Fire & Security, Inc.
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Cubic Corporation
Aerospace • Payments • Security • Transportation • Cybersecurity
25 Offices
6,000 Employees
14 Benefits Hiring Now

Cubic Corporation (Cubic) is an international provider of systems and solutions that address the mass transit and global defense markets.

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Cubic Corporation

Cubic Corporation's Top Stability & Growth Strengths

Strong Market Position & Advantage: Cubic is repeatedly characterized as a leader in large-scale transit fare collection and as the de facto standard in live air-combat training instrumentation, supported by marquee deployments (e.g., OMNY, Ventra, Opal) and widespread P5CTS fielding. Sole‑source upgrades and longstanding roles on flagship systems reinforce durable competitive advantages in its two core niches.

Market Expansion: Recent awards in both segments—such as USAF IDIQs for additional P5 pods and security upgrades, plus transit wins like SEPTA Key 2.0, OMNY equipment extensions, PATH, and Tasmania—show a growing footprint and multi‑year workload visibility. Product moves like Open Payments on Umo extend fare technology into mid‑sized agencies, broadening the addressable market.

Investor Backing & Capital Strength: A 2025 recapitalization added new liquidity and equity support from sponsors, reduced debt, extended maturities, and targeted substantial interest savings. In early 2026, an upgrade from selective default to CCC‑ with positive CreditWatch followed a deferred interest arrangement, signaling some near‑term financial relief.

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.

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.
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.
RSI Security
Information Technology • Security
San Diego
45 Employees
13 Benefits Hiring Now

RSI Security is a cybersecurity-focused technology company that helps private and public sector organizations in highly regulated industries effectively manage risk. RSI Security provides cyber engineering, assessment, advisory services, and technical testing to amp up clients' security posture while mitigating business risk. We have experts for every cybersecurity and compliance need– PCIDSS, CMMC and NIST, MSSP, IT Security, HITRUST, HIPAA...

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RSI Security
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
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.

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.

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
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.

Pacific Office Automation
Information Technology • Sales • Security • Software • Industrial
34 Offices
1,184 Employees
14 Benefits Hiring Now

At Pacific Office Automation (POA), we take pride in being a privately held office technology and managed services provider headquartered in Beaverton, Oregon. Since our founding in 1976 by Terry Newsom, we have grown from a small photocopier business into the largest independent office equipment dealer in the United States. Today, we generate approximately $491 million in annual revenue and...

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Pacific Office Automation

Pacific Office Automation's Top Stability & Growth Strengths

Strong Revenue Growth: POA reported finishing 2025 above $507 million in revenue and cites 49 consecutive years of annual growth, with inclusion on regional fastest-growing lists reinforcing momentum.

Strong Market Position & Advantage: Multiple industry and OEM references describe POA as the largest independent U.S. office‑equipment dealer and a top-tier channel partner, with repeated Elite Dealer recognitions and OEM awards signaling standing.

Market Expansion: The company announced plans to enter four new cities in 2026 and executed acquisitions in April 2026 (Western Business Products and MKCnext), broadening its Western U.S. footprint and adding wide‑format capabilities.

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